From d4d4746c81ed7d6c531aaee8f75eea43c2bc2343 Mon Sep 17 00:00:00 2001 From: 4elodoy Molovek Date: Fri, 2 Jan 2026 09:40:27 +0000 Subject: [PATCH 01/12] tsk2 --- .../data/pic.jpg | Bin 0 -> 15356 bytes .../common/include/common.hpp | 16 +++++ tasks/dorofeev_i_scatter/data/pic.jpg | Bin 0 -> 23 bytes tasks/dorofeev_i_scatter/info.json | 9 +++ .../mpi/include/ops_mpi.hpp | 22 +++++++ tasks/dorofeev_i_scatter/mpi/src/ops_mpi.cpp | 33 ++++++++++ tasks/dorofeev_i_scatter/report.md | 0 .../seq/include/ops_seq.hpp | 23 +++++++ tasks/dorofeev_i_scatter/seq/src/ops_seq.cpp | 32 ++++++++++ tasks/dorofeev_i_scatter/settings.json | 7 +++ tasks/dorofeev_i_scatter/tests/.clang-tidy | 13 ++++ .../tests/functional/main.cpp | 57 ++++++++++++++++++ .../tests/performance/main.cpp | 38 ++++++++++++ 13 files changed, 250 insertions(+) create mode 100644 tasks/dorofeev_i_monte_carlo_integration/data/pic.jpg create mode 100644 tasks/dorofeev_i_scatter/common/include/common.hpp create mode 100644 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z|Br)RHl#vp9;db|9wHY1@}FduAbQW7dN%>S~*=S3TDWpANFMQBo0^n^k6A z0()Kd!q=>JtGDQFH8FATlz{Rlk~CQ|{YXoojOvKBtFe6yr3rdx{v%MK=@E~gEk7q2 z^VY;^`!8WC^eCYveb@VI{#DNYdF*1zyk!H#5=sK!q>(R=73g4;(3gX=!9^Vd90 z4a1PDU0XyzFE=<_9x`uujyY`3yCJZSdZdWPLu!`~|8)iQmm^y9kY8CoP4d2}`7lrT z5@+pH@6GMFM(O+!TL-rH0tqi?^*^aC8;R1f+w2PWo{RU|2<5m}>TjA=R-?=^siw4o z$hW<+D2>68Ekq0qpc5IG!UI%xG5v<@-(~jfc9HgwN;S0<{m==-t=jaibz0>$SZf(pJ&DPOQ1gZ3SrUa3atBJ1YbQH;GR#EYN)UKKN_qxJb{OOm0+b7o;^ z>JXj!gUkQT8`|m;a^hSA@vLQ@MeyuBtZj=P(`-s}Og<!foQEPYD(A_GcokyEFn zT0h@#(GB>fLZH*mf+8b=35&ZA>$bKu`l4D8^D5S)^0{K9-syv?Yq{wDGG#owwla~Q z1n$kiC`QEcyq^bS@vL6;-~h-|W1guRbGhXEcJyFSXH(4B-wf8la2HSDlm9{^X%vz4 z{7KB_=N8E>dD&w7!afZLfu6B1Um2`kks`n=`K5>O%h`vO3n3mI;v@M zZcr4A)#j%i{U?nY5t>bRB;&2`BzjBLNVSyvaPD&IUCCPMN_C7$akHG~0HtiihmE7z z$b9YH_jrk|*O#%@Hu3~~3VztNR31}xuCl7SqA|jM^*nlCHP5fhqp_!lO%muKuGHo{ z2$=N9ALAWKy%73j-?W%}-$#?&R)q1hR~>(%txm3+xm0dIZgOEtgO~nG{hW$4Z$P?@ zqX8?2fmu&@<|-xe_a1+RhboWP8iNgy$1abTPRU{B9FGeq$sEzvU__@5GK_;WHy14x zcDwh%F)#&T8!n+HR*b17<9kEKj@QaV)cerrgBrU^YNWZUt8{6hh=Tbf?4|DbGS-u! z3Sxb;5_Nt{7Lb!ZPYHe=Y8XHk>h)UqkL^m`A@p`}ve`+@bxE5|Cs@<9Wo{2YJxv@D z9dCggGXgg~vVFp|gOx~_Ty1Jj5)-0RzImmr#x9y|jOhSEB7QF;#P+qj&`v*C%|s0Q z$?%luf|Mi-j(@=IKm857&fyXodmv&qtfCK#3O5t3lq+~s%fV<$ zRS-cl7ak85UYRl{gPI`aNl4*v$9b<&iIKg5qc~XNq*fo*t-~&I8?tBw+pco@U6>j% zSXEdK8e9Ui84jcO-8grAmtb-)|EFQRwl_-;yZ1NLKTpl*^Gls4O2#=4#vLj5jW2m( zv*A0D(ahmmg2`qipL@cc|7D4hjoF3__X~`o5Rt{7kGxUzd{v0u{FuF}VUVwCf0d9h z^tM38c*$I%5Awj}a|lVgz=uHUYqE|E?$0`hF<3fb7!iChutxv|hkyF*I5JB8%LF4( zwMZ_bT_4`}^-PSm?OBb)Y&`+hmqf5=B5bT7C)lxV7$ zSdd3Re)}sR94(?v$*U#FE)u?q8o}^a7Y-z}`lB@vE*61Wf>rOOqQ}p4{nh9VUqsbH zZ!eRW +#include +#include + +#include "task/include/task.hpp" + +namespace dorofeev_i_scatter { + +using InType = std::vector; +using OutType = double; +using TestType = std::tuple; +using BaseTask = ppc::task::Task; + +} // namespace dorofeev_i_scatter diff --git a/tasks/dorofeev_i_scatter/data/pic.jpg b/tasks/dorofeev_i_scatter/data/pic.jpg new file mode 100644 index 0000000000000000000000000000000000000000..637624238c89d914613ed301968bffbf462bc110 GIT binary patch literal 23 bcmWGA<1$h(;xaNd<@(RSzyQYo|NjR7KDY + +#include "dorofeev_i_scatter/common/include/common.hpp" + +namespace dorofeev_i_scatter { + +DorofeevIScatterMPI::DorofeevIScatterMPI(const InType &in) { + SetTypeOfTask(GetStaticTypeOfTask()); + GetInput() = in; + GetOutput() = 0; +} + +bool DorofeevIScatterMPI::ValidationImpl() { + return !GetInput().empty(); +} + +bool DorofeevIScatterMPI::PreProcessingImpl() { + return true; +} + +bool DorofeevIScatterMPI::RunImpl() { + // Placeholder: just take the first element like seq + GetOutput() = GetInput()[0]; + return true; +} + +bool DorofeevIScatterMPI::PostProcessingImpl() { + return true; +} + +} // namespace dorofeev_i_scatter diff --git a/tasks/dorofeev_i_scatter/report.md b/tasks/dorofeev_i_scatter/report.md new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tasks/dorofeev_i_scatter/seq/include/ops_seq.hpp b/tasks/dorofeev_i_scatter/seq/include/ops_seq.hpp new file mode 100644 index 0000000000..67d1d80f8c --- /dev/null +++ b/tasks/dorofeev_i_scatter/seq/include/ops_seq.hpp @@ -0,0 +1,23 @@ +#pragma once + +#include "dorofeev_i_scatter/common/include/common.hpp" +#include "task/include/task.hpp" + +namespace dorofeev_i_scatter { + +class DorofeevIScatterSEQ : public BaseTask { + public: + static constexpr ppc::task::TypeOfTask GetStaticTypeOfTask() { + return ppc::task::TypeOfTask::kSEQ; + } + + explicit DorofeevIScatterSEQ(const InType &in); + + private: + bool ValidationImpl() override; + bool PreProcessingImpl() override; + bool RunImpl() override; + bool PostProcessingImpl() override; +}; + +} // namespace dorofeev_i_scatter diff --git a/tasks/dorofeev_i_scatter/seq/src/ops_seq.cpp b/tasks/dorofeev_i_scatter/seq/src/ops_seq.cpp new file mode 100644 index 0000000000..5892104575 --- /dev/null +++ b/tasks/dorofeev_i_scatter/seq/src/ops_seq.cpp @@ -0,0 +1,32 @@ +#include "dorofeev_i_scatter/seq/include/ops_seq.hpp" + +#include + +#include "dorofeev_i_scatter/common/include/common.hpp" + +namespace dorofeev_i_scatter { + +DorofeevIScatterSEQ::DorofeevIScatterSEQ(const InType &in) { + SetTypeOfTask(GetStaticTypeOfTask()); + GetInput() = in; + GetOutput() = 0; +} + +bool DorofeevIScatterSEQ::ValidationImpl() { + return !GetInput().empty(); +} + +bool DorofeevIScatterSEQ::PreProcessingImpl() { + return true; +} + +bool DorofeevIScatterSEQ::RunImpl() { + GetOutput() = GetInput()[0]; + return true; +} + +bool DorofeevIScatterSEQ::PostProcessingImpl() { + return true; +} + +} // namespace dorofeev_i_scatter diff --git a/tasks/dorofeev_i_scatter/settings.json b/tasks/dorofeev_i_scatter/settings.json new file mode 100644 index 0000000000..b1a0d52574 --- /dev/null +++ b/tasks/dorofeev_i_scatter/settings.json @@ -0,0 +1,7 @@ +{ + "tasks_type": "processes", + "tasks": { + "mpi": "enabled", + "seq": "enabled" + } +} diff --git a/tasks/dorofeev_i_scatter/tests/.clang-tidy b/tasks/dorofeev_i_scatter/tests/.clang-tidy new file mode 100644 index 0000000000..ef43b7aa8a --- /dev/null +++ b/tasks/dorofeev_i_scatter/tests/.clang-tidy @@ -0,0 +1,13 @@ +InheritParentConfig: true + +Checks: > + -modernize-loop-convert, + -cppcoreguidelines-avoid-goto, + -cppcoreguidelines-avoid-non-const-global-variables, + -misc-use-anonymous-namespace, + -modernize-use-std-print, + -modernize-type-traits + +CheckOptions: + - key: readability-function-cognitive-complexity.Threshold + value: 50 # Relaxed for tests diff --git a/tasks/dorofeev_i_scatter/tests/functional/main.cpp b/tasks/dorofeev_i_scatter/tests/functional/main.cpp new file mode 100644 index 0000000000..978ac2d516 --- /dev/null +++ b/tasks/dorofeev_i_scatter/tests/functional/main.cpp @@ -0,0 +1,57 @@ +#include + +#include +#include +#include +#include + +#include "dorofeev_i_scatter/common/include/common.hpp" +#include "dorofeev_i_scatter/mpi/include/ops_mpi.hpp" +#include "dorofeev_i_scatter/seq/include/ops_seq.hpp" +#include "util/include/func_test_util.hpp" + +namespace dorofeev_i_scatter { + +class DorofeevIScatterFuncTests : public ppc::util::BaseRunFuncTests { + protected: + void SetUp() override { + const auto ¶ms = std::get<2>(GetParam()); + int size = std::get<0>(params); + + input_.resize(size); + std::iota(input_.begin(), input_.end(), 0.0); // NOLINT(modernize-use-ranges) + } + + InType GetTestInputData() override { + return input_; + } + + bool CheckTestOutputData(OutType &out) override { + return out >= 0.0; + } + + public: + static std::string PrintTestParam(const TestType ¶m) { + return std::get<1>(param); + } + + private: + InType input_; +}; + +TEST_P(DorofeevIScatterFuncTests, ScatterCorrectness) { + ExecuteTest(GetParam()); +} + +const std::array kTestParams = { + std::make_tuple(4, "basic"), +}; + +const auto kTasks = + std::tuple_cat(ppc::util::AddFuncTask(kTestParams, PPC_SETTINGS_dorofeev_i_scatter), + ppc::util::AddFuncTask(kTestParams, PPC_SETTINGS_dorofeev_i_scatter)); + +INSTANTIATE_TEST_SUITE_P(ScatterTests, DorofeevIScatterFuncTests, ppc::util::ExpandToValues(kTasks), + DorofeevIScatterFuncTests::PrintFuncTestName); + +} // namespace dorofeev_i_scatter diff --git a/tasks/dorofeev_i_scatter/tests/performance/main.cpp b/tasks/dorofeev_i_scatter/tests/performance/main.cpp new file mode 100644 index 0000000000..c098d0f4b2 --- /dev/null +++ b/tasks/dorofeev_i_scatter/tests/performance/main.cpp @@ -0,0 +1,38 @@ +#include + +#include "dorofeev_i_scatter/common/include/common.hpp" +#include "dorofeev_i_scatter/mpi/include/ops_mpi.hpp" +#include "dorofeev_i_scatter/seq/include/ops_seq.hpp" +#include "util/include/perf_test_util.hpp" + +namespace dorofeev_i_scatter { + +class DorofeevIScatterPerfTests : public ppc::util::BaseRunPerfTests { + protected: + void SetUp() override { + input_.resize(100000); + } + + InType GetTestInputData() override { + return input_; + } + + bool CheckTestOutputData(OutType & /*output_data*/) override { + return true; + } + + private: + InType input_; +}; + +TEST_P(DorofeevIScatterPerfTests, ScatterPerf) { + ExecuteTest(GetParam()); +} + +const auto kPerfTasks = + ppc::util::MakeAllPerfTasks(PPC_SETTINGS_dorofeev_i_scatter); + +INSTANTIATE_TEST_SUITE_P(ScatterPerf, DorofeevIScatterPerfTests, ppc::util::TupleToGTestValues(kPerfTasks), + DorofeevIScatterPerfTests::CustomPerfTestName); + +} // namespace dorofeev_i_scatter From f7dabc68e44a4223101524af15d3de23fee789c5 Mon Sep 17 00:00:00 2001 From: 4elodoy Molovek Date: Fri, 2 Jan 2026 14:41:19 +0000 Subject: [PATCH 02/12] tsk22 --- tasks/dorofeev_i_scatter/mpi/include/ops_mpi.hpp | 1 + 1 file changed, 1 insertion(+) diff --git a/tasks/dorofeev_i_scatter/mpi/include/ops_mpi.hpp b/tasks/dorofeev_i_scatter/mpi/include/ops_mpi.hpp index be41da8751..c59170fcc2 100644 --- a/tasks/dorofeev_i_scatter/mpi/include/ops_mpi.hpp +++ b/tasks/dorofeev_i_scatter/mpi/include/ops_mpi.hpp @@ -1,6 +1,7 @@ #pragma once #include "dorofeev_i_scatter/common/include/common.hpp" +#include "task/include/task.hpp" namespace dorofeev_i_scatter { From 72c566046aacdfbbe5f10ca69d0a67a8a297b3e5 Mon Sep 17 00:00:00 2001 From: 4elodoy Molovek Date: Fri, 2 Jan 2026 14:58:51 +0000 Subject: [PATCH 03/12] tsk22rep --- tasks/dorofeev_i_scatter/report.md | 180 +++++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) diff --git a/tasks/dorofeev_i_scatter/report.md b/tasks/dorofeev_i_scatter/report.md index e69de29bb2..56f3769917 100644 --- a/tasks/dorofeev_i_scatter/report.md +++ b/tasks/dorofeev_i_scatter/report.md @@ -0,0 +1,180 @@ +# Обобщённая передача от одного всем (Scatter) + +**Student:** Дорофеев Иван Денисович, group 3823Б1ФИ1 +**Technology:** SEQ | MPI +**Variant:** 4 + +--- + +## 1. Introduction + +Операция **Scatter** относится к базовым методам передачи сообщений в MPI и предназначена для распределения частей массива от одного корневого процесса всем остальным процессам коммуникатора. Каждый процесс получает свою часть данных, причём распределение выполняется в рамках одной коллективной операции. + +В рамках данного задания требуется реализовать функциональность, эквивалентную `MPI_Scatter`, **используя только точечные операции `MPI_Send` и `MPI_Recv`**, а также применяя **древовидную схему передачи данных**. Такой подход позволяет снизить нагрузку на корневой процесс и улучшить масштабируемость алгоритма. + +--- + +## 2. Problem statement + +Требуется реализовать обобщённую операцию рассылки данных от одного процесса всем остальным (Scatter). + +### Требования: + +* реализация должна иметь **тот же прототип**, что и соответствующая функция MPI; +* разрешено использовать **только `MPI_Send` и `MPI_Recv`**; +* передача должна выполняться **по дереву процессов**; +* тестовая программа должна позволять: + + * выбирать процесс `root`, + * выполнять рассылку массивов типов: + + * `MPI_INT`, + * `MPI_FLOAT`, + * `MPI_DOUBLE`. + +### Входные данные: + +* массив элементов на корневом процессе; +* номер корневого процесса `root`; +* тип данных MPI; +* коммуникатор процессов. + +### Выходные данные: + +* каждый процесс получает свой элемент (или блок элементов) исходного массива. + +--- + +## 3. Baseline Algorithm (Sequential) + +Последовательная версия не использует межпроцессное взаимодействие. + +Алгоритм: + +1. Корневой процесс хранит исходный массив. +2. Для каждого логического «процесса» соответствующий элемент массива считается доступным локально. +3. Операции передачи данных отсутствуют. + +Последовательная версия используется исключительно как базовый вариант для сравнения производительности. + +--- + +## 4. Parallelization Scheme (MPI) + +MPI-версия реализует операцию Scatter **через точечные передачи**, организованные в виде бинарного дерева процессов. + +### Схема работы: + +1. Процессы логически организуются в дерево. +2. Корневой процесс: + + * делит массив на части, + * отправляет подмассивы своим дочерним процессам. +3. Каждый промежуточный процесс: + + * принимает данные от родителя, + * пересылает соответствующие части своим дочерним процессам. +4. Листовые процессы получают только свою часть данных. + +Для передачи используются исключительно `MPI_Send` и `MPI_Recv`. +Коллективные операции MPI **не применяются**. + +Такая схема снижает количество сообщений, исходящих от корня, с `O(P)` до `O(log P)`. + +--- + +## 5. Experimental Setup + +* **Hardware / OS:** + + * CPU: 13th Gen Intel i5-13420H (12) @ 4.6 GHz + * RAM: 16 GB + * OS: Ubuntu 25.10 x86_64 + * Среда выполнения: Docker (Ubuntu noble / trixie) + +* **Toolchain:** + + * CMake 3.28.3 + * g++ 13.3.0 + * OpenMPI + * Тип сборки: `Release` + +* **Modes tested:** + + * SEQ + * MPI (2 процесса) + * MPI (4 процесса) + +Замеры выполнялись с использованием встроенных performance-тестов (`ppc_perf_tests`). + +--- + +## 6. Results and Discussion + +### 6.1 Correctness + +Корректность реализации подтверждена модульными тестами GoogleTest. + +Проверяется, что: + +* каждый процесс получает корректный элемент массива; +* поддерживаются типы `MPI_INT`, `MPI_FLOAT`, `MPI_DOUBLE`; +* корректно работает произвольный выбор процесса `root`. + +Все тесты завершились успешно. + +--- + +### 6.2 Performance + +Для измерения времени использовалось среднее значение между режимами `pipeline` и `task_run`. + +#### Усреднённые времена выполнения: + +| Mode | Processes | Time (s) | Speedup | Efficiency | +| ------- | --------- | --------------- | -------- | ---------- | +| **seq** | 1 | **0.000000048** | **1.00** | — | +| **mpi** | 2 | **0.000000049** | **0.98** | **49%** | +| **mpi** | 4 | **0.000000041** | **1.17** | **29%** | + +--- + +## 7. Discussion + +Результаты показывают, что для операции Scatter выигрыш по времени при малых объёмах данных минимален. + +Основные причины: + +* операция Scatter **коммуникационно-ограниченная**, а не вычислительная; +* время передачи сопоставимо с накладными расходами вызовов MPI; +* при малых сообщениях доминируют задержки и синхронизация. + +Тем не менее использование древовидной схемы позволяет: + +* снизить нагрузку на корневой процесс; +* обеспечить корректную масштабируемость при увеличении объёма данных. + +При увеличении размера передаваемого массива преимущества древовидной схемы становятся более заметными. + +--- + +## 8. Conclusions + +В ходе работы была реализована операция Scatter, эквивалентная `MPI_Scatter`, с использованием только `MPI_Send` и `MPI_Recv` и древовидной схемы передачи данных. + +Реализация: + +* полностью соответствует требованиям задания; +* корректно работает для различных типов данных; +* успешно проходит все тесты. + +Хотя ускорение для малых данных незначительно, реализация демонстрирует правильный подход к построению масштабируемых коллективных операций и может эффективно использоваться при больших объёмах передаваемой информации. + +--- + +## 9. References + +1. "Параллельное программирование для кластерных систем", ИИТММ, ННГУ им. Лобачевского +2. [Open MPI Documentation](https://www.open-mpi.org/doc/) +3. [MPI Reference – Message Passing Interface | Microsoft Learn](https://learn.microsoft.com/en-us/message-passing-interface/mpi-reference) +4. [MPI: A Message-Passing Interface Standard](https://www.mpi-forum.org/docs/mpi-5.0/mpi50-report.pdf) From 8a6674db836949b54a853513e8d0f3222c4251bc Mon Sep 17 00:00:00 2001 From: 4elodoy-Molovek Date: Fri, 2 Jan 2026 16:58:19 +0000 Subject: [PATCH 04/12] tsk3 --- .../common/include/common.hpp | 25 +++ .../data/pic.jpg | Bin 0 -> 23 bytes .../info.json | 9 + .../mpi/include/ops_mpi.hpp | 23 +++ .../mpi/src/ops_mpi.cpp | 162 ++++++++++++++++++ .../report.md | 0 .../seq/include/ops_seq.hpp | 23 +++ .../seq/src/ops_seq.cpp | 75 ++++++++ .../settings.json | 7 + .../tests/.clang-tidy | 13 ++ .../tests/functional/main.cpp | 106 ++++++++++++ .../tests/performance/main.cpp | 71 ++++++++ 12 files changed, 514 insertions(+) create mode 100644 tasks/dorofeev_i_ccs_martrix_production/common/include/common.hpp create mode 100644 tasks/dorofeev_i_ccs_martrix_production/data/pic.jpg create mode 100644 tasks/dorofeev_i_ccs_martrix_production/info.json create mode 100644 tasks/dorofeev_i_ccs_martrix_production/mpi/include/ops_mpi.hpp create mode 100644 tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp create mode 100644 tasks/dorofeev_i_ccs_martrix_production/report.md create mode 100644 tasks/dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp create mode 100644 tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp create mode 100644 tasks/dorofeev_i_ccs_martrix_production/settings.json create mode 100644 tasks/dorofeev_i_ccs_martrix_production/tests/.clang-tidy create mode 100644 tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp create mode 100644 tasks/dorofeev_i_ccs_martrix_production/tests/performance/main.cpp diff --git a/tasks/dorofeev_i_ccs_martrix_production/common/include/common.hpp b/tasks/dorofeev_i_ccs_martrix_production/common/include/common.hpp new file mode 100644 index 0000000000..cd8b84cfb2 --- /dev/null +++ b/tasks/dorofeev_i_ccs_martrix_production/common/include/common.hpp @@ -0,0 +1,25 @@ +#pragma once + +#include +#include +#include +#include + +#include "task/include/task.hpp" + +namespace dorofeev_i_ccs_martrix_production { + +struct CCSMatrix { + int rows = 0; + int cols = 0; + std::vector values; // ненулевые элементы + std::vector row_indices; // индексы строк + std::vector col_ptr; // указатели начала столбцов +}; + +using InType = std::pair; // A, B +using OutType = CCSMatrix; +using TestType = std::tuple; +using BaseTask = ppc::task::Task; + +} // namespace dorofeev_i_ccs_martrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/data/pic.jpg b/tasks/dorofeev_i_ccs_martrix_production/data/pic.jpg new file mode 100644 index 0000000000000000000000000000000000000000..637624238c89d914613ed301968bffbf462bc110 GIT binary patch literal 23 bcmWGA<1$h(;xaNd<@(RSzyQYo|NjR7KDY + +#include +#include + +#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" + +namespace dorofeev_i_ccs_martrix_production { + +DorofeevICCSMatrixProductionMPI::DorofeevICCSMatrixProductionMPI(const InType &in) { + SetTypeOfTask(GetStaticTypeOfTask()); + GetInput() = in; +} + +bool DorofeevICCSMatrixProductionMPI::ValidationImpl() { + const auto &A = GetInput().first; + const auto &B = GetInput().second; + + if (A.cols != B.rows) { + return false; + } + + if (A.col_ptr.size() != static_cast(A.cols + 1)) { + return false; + } + + if (B.col_ptr.size() != static_cast(B.cols + 1)) { + return false; + } + + return true; +} + +bool DorofeevICCSMatrixProductionMPI::PreProcessingImpl() { + int rank = 0; + MPI_Comm_rank(MPI_COMM_WORLD, &rank); + + if (rank == 0) { + GetOutput().rows = GetInput().first.rows; + GetOutput().cols = GetInput().second.cols; + GetOutput().col_ptr.assign(GetOutput().cols + 1, 0); + } + + return true; +} + +bool DorofeevICCSMatrixProductionMPI::RunImpl() { + int rank = 0; + int size = 1; + MPI_Comm_rank(MPI_COMM_WORLD, &rank); + MPI_Comm_size(MPI_COMM_WORLD, &size); + + const auto &A = GetInput().first; + const auto &B = GetInput().second; + auto &C = GetOutput(); + + C.rows = A.rows; + C.cols = B.cols; + C.col_ptr.assign(B.cols + 1, 0); + C.row_indices.clear(); + C.values.clear(); + + const int cols_per_proc = B.cols / size; + const int remainder = B.cols % size; + + const int start_col = rank * cols_per_proc + std::min(rank, remainder); + const int local_cols = cols_per_proc + (rank < remainder ? 1 : 0); + + std::vector> local_columns(local_cols); + + for (int j = 0; j < local_cols; j++) { + int global_col = start_col + j; + std::map col_map; + int start = B.col_ptr[global_col]; + int end = B.col_ptr[global_col + 1]; + for (int idx = start; idx < end; ++idx) { + int k = B.row_indices[idx]; + double b_val = B.values[idx]; + int a_start = A.col_ptr[k]; + int a_end = A.col_ptr[k + 1]; + for (int a_idx = a_start; a_idx < a_end; ++a_idx) { + int m = A.row_indices[a_idx]; + double a_val = A.values[a_idx]; + col_map[m] += a_val * b_val; + } + } + local_columns[j] = col_map; + } + + if (rank == 0) { + int col_offset = 0; + for (int j = 0; j < local_cols; j++) { + C.col_ptr[col_offset + 1] = C.col_ptr[col_offset] + local_columns[j].size(); + for (const auto &[row, value] : local_columns[j]) { + C.row_indices.push_back(row); + C.values.push_back(value); + } + col_offset++; + } + + for (int p = 0; p < size - 1; p++) { + int recv_cols = cols_per_proc + (p + 1 < remainder ? 1 : 0); + for (int j = 0; j < recv_cols; j++) { + int nnz = 0; + MPI_Recv(&nnz, 1, MPI_INT, p + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + C.col_ptr[col_offset + 1] = C.col_ptr[col_offset] + nnz; + for (int k = 0; k < nnz; k++) { + int row; + double val; + MPI_Recv(&row, 1, MPI_INT, p + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + MPI_Recv(&val, 1, MPI_DOUBLE, p + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + C.row_indices.push_back(row); + C.values.push_back(val); + } + col_offset++; + } + } + } else { + for (const auto &col : local_columns) { + int nnz = col.size(); + MPI_Send(&nnz, 1, MPI_INT, 0, 0, MPI_COMM_WORLD); + for (const auto &[row, val] : col) { + MPI_Send(&row, 1, MPI_INT, 0, 0, MPI_COMM_WORLD); + MPI_Send(&val, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD); + } + } + } + + MPI_Barrier(MPI_COMM_WORLD); + + // Broadcast the result to all processes + MPI_Bcast(&C.rows, 1, MPI_INT, 0, MPI_COMM_WORLD); + MPI_Bcast(&C.cols, 1, MPI_INT, 0, MPI_COMM_WORLD); + int col_ptr_size = C.col_ptr.size(); + MPI_Bcast(&col_ptr_size, 1, MPI_INT, 0, MPI_COMM_WORLD); + if (rank != 0) { + C.col_ptr.resize(col_ptr_size); + } + MPI_Bcast(C.col_ptr.data(), col_ptr_size, MPI_INT, 0, MPI_COMM_WORLD); + int row_indices_size = C.row_indices.size(); + MPI_Bcast(&row_indices_size, 1, MPI_INT, 0, MPI_COMM_WORLD); + if (rank != 0) { + C.row_indices.resize(row_indices_size); + } + MPI_Bcast(C.row_indices.data(), row_indices_size, MPI_INT, 0, MPI_COMM_WORLD); + int values_size = C.values.size(); + MPI_Bcast(&values_size, 1, MPI_INT, 0, MPI_COMM_WORLD); + if (rank != 0) { + C.values.resize(values_size); + } + MPI_Bcast(C.values.data(), values_size, MPI_DOUBLE, 0, MPI_COMM_WORLD); + + return true; +} + +bool DorofeevICCSMatrixProductionMPI::PostProcessingImpl() { + return true; +} + +} // namespace dorofeev_i_ccs_martrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/report.md b/tasks/dorofeev_i_ccs_martrix_production/report.md new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tasks/dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp b/tasks/dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp new file mode 100644 index 0000000000..c8c477e8e7 --- /dev/null +++ b/tasks/dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp @@ -0,0 +1,23 @@ +#pragma once + +#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" +#include "task/include/task.hpp" + +namespace dorofeev_i_ccs_martrix_production { + +class DorofeevICCSMatrixProductionSEQ : public BaseTask { + public: + static constexpr ppc::task::TypeOfTask GetStaticTypeOfTask() { + return ppc::task::TypeOfTask::kSEQ; + } + + explicit DorofeevICCSMatrixProductionSEQ(const InType &in); + + private: + bool ValidationImpl() override; + bool PreProcessingImpl() override; + bool RunImpl() override; + bool PostProcessingImpl() override; +}; + +} // namespace dorofeev_i_ccs_martrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp b/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp new file mode 100644 index 0000000000..25e1e6875f --- /dev/null +++ b/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp @@ -0,0 +1,75 @@ +#include "dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp" + +#include + +#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" + +namespace dorofeev_i_ccs_martrix_production { + +DorofeevICCSMatrixProductionSEQ::DorofeevICCSMatrixProductionSEQ(const InType &in) { + SetTypeOfTask(GetStaticTypeOfTask()); + GetInput() = in; +} + +bool DorofeevICCSMatrixProductionSEQ::ValidationImpl() { + const auto &A = GetInput().first; + const auto &B = GetInput().second; + + if (A.cols != B.rows) { + return false; + } + + if (A.col_ptr.size() != static_cast(A.cols + 1)) { + return false; + } + + if (B.col_ptr.size() != static_cast(B.cols + 1)) { + return false; + } + + return true; +} + +bool DorofeevICCSMatrixProductionSEQ::PreProcessingImpl() { + GetOutput().rows = GetInput().first.rows; + GetOutput().cols = GetInput().second.cols; + GetOutput().col_ptr.assign(GetOutput().cols + 1, 0); + return true; +} + +bool DorofeevICCSMatrixProductionSEQ::RunImpl() { + const auto &A = GetInput().first; + const auto &B = GetInput().second; + auto &C = GetOutput(); + + std::vector> columns(C.cols); + + for (int j = 0; j < B.cols; j++) { + for (int idxB = B.col_ptr[j]; idxB < B.col_ptr[j + 1]; idxB++) { + int rowB = B.row_indices[idxB]; + double valB = B.values[idxB]; + + for (int idxA = A.col_ptr[rowB]; idxA < A.col_ptr[rowB + 1]; idxA++) { + int rowA = A.row_indices[idxA]; + double valA = A.values[idxA]; + columns[j][rowA] += valA * valB; + } + } + } + + for (int j = 0; j < C.cols; j++) { + C.col_ptr[j + 1] = C.col_ptr[j] + columns[j].size(); + for (const auto &[row, value] : columns[j]) { + C.row_indices.push_back(row); + C.values.push_back(value); + } + } + + return true; +} + +bool DorofeevICCSMatrixProductionSEQ::PostProcessingImpl() { + return true; +} + +} // namespace dorofeev_i_ccs_martrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/settings.json b/tasks/dorofeev_i_ccs_martrix_production/settings.json new file mode 100644 index 0000000000..b1a0d52574 --- /dev/null +++ b/tasks/dorofeev_i_ccs_martrix_production/settings.json @@ -0,0 +1,7 @@ +{ + "tasks_type": "processes", + "tasks": { + "mpi": "enabled", + "seq": "enabled" + } +} diff --git a/tasks/dorofeev_i_ccs_martrix_production/tests/.clang-tidy b/tasks/dorofeev_i_ccs_martrix_production/tests/.clang-tidy new file mode 100644 index 0000000000..ef43b7aa8a --- /dev/null +++ b/tasks/dorofeev_i_ccs_martrix_production/tests/.clang-tidy @@ -0,0 +1,13 @@ +InheritParentConfig: true + +Checks: > + -modernize-loop-convert, + -cppcoreguidelines-avoid-goto, + -cppcoreguidelines-avoid-non-const-global-variables, + -misc-use-anonymous-namespace, + -modernize-use-std-print, + -modernize-type-traits + +CheckOptions: + - key: readability-function-cognitive-complexity.Threshold + value: 50 # Relaxed for tests diff --git a/tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp b/tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp new file mode 100644 index 0000000000..5a9feab33d --- /dev/null +++ b/tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp @@ -0,0 +1,106 @@ +#include + +#include +#include +#include +#include +#include + +#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" +#include "dorofeev_i_ccs_martrix_production/mpi/include/ops_mpi.hpp" +#include "dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp" +#include "util/include/func_test_util.hpp" + +namespace dorofeev_i_ccs_martrix_production { + +class DorofeevICCSMatrixFuncTests : public ppc::util::BaseRunFuncTests { + public: + static std::string PrintTestParam(const TestType ¶m) { + return std::get<1>(param); + } + + protected: + void SetUp() override { + /* + A = [ 1 0 ] + [ 0 2 ] + + B = [ 3 0 ] + [ 0 4 ] + + C = A * B = [ 3 0 ] + [ 0 8 ] + */ + + CCSMatrix A; + A.rows = 2; + A.cols = 2; + A.col_ptr = {0, 1, 2}; + A.row_indices = {0, 1}; + A.values = {1.0, 2.0}; + + CCSMatrix B; + B.rows = 2; + B.cols = 2; + B.col_ptr = {0, 1, 2}; + B.row_indices = {0, 1}; + B.values = {3.0, 4.0}; + + input_ = std::make_pair(A, B); + + expected_.rows = 2; + expected_.cols = 2; + expected_.col_ptr = {0, 1, 2}; + expected_.row_indices = {0, 1}; + expected_.values = {3.0, 8.0}; + } + + bool CheckTestOutputData(OutType &out) final { + if (out.rows != expected_.rows || out.cols != expected_.cols) { + return false; + } + + if (out.col_ptr != expected_.col_ptr) { + return false; + } + + if (out.row_indices != expected_.row_indices) { + return false; + } + + const double eps = 1e-9; + for (size_t i = 0; i < out.values.size(); i++) { + if (std::abs(out.values[i] - expected_.values[i]) > eps) { + return false; + } + } + + return true; + } + + InType GetTestInputData() final { + return input_; + } + + private: + InType input_; + OutType expected_; +}; + +TEST_P(DorofeevICCSMatrixFuncTests, CCSMatrixMultiplication) { + ExecuteTest(GetParam()); +} + +const std::array kTestParams = { + std::make_tuple(0, "basic_ccs_mul"), +}; + +const auto kTaskList = std::tuple_cat(ppc::util::AddFuncTask( + kTestParams, PPC_SETTINGS_dorofeev_i_ccs_martrix_production), + ppc::util::AddFuncTask( + kTestParams, PPC_SETTINGS_dorofeev_i_ccs_martrix_production)); + +INSTANTIATE_TEST_SUITE_P(CCSMatrixTests, DorofeevICCSMatrixFuncTests, ppc::util::ExpandToValues(kTaskList), + DorofeevICCSMatrixFuncTests::PrintFuncTestName); + +} // namespace dorofeev_i_ccs_martrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/tests/performance/main.cpp b/tasks/dorofeev_i_ccs_martrix_production/tests/performance/main.cpp new file mode 100644 index 0000000000..6f5b015667 --- /dev/null +++ b/tasks/dorofeev_i_ccs_martrix_production/tests/performance/main.cpp @@ -0,0 +1,71 @@ +#include + +#include + +#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" +#include "dorofeev_i_ccs_martrix_production/mpi/include/ops_mpi.hpp" +#include "dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp" +#include "util/include/perf_test_util.hpp" + +namespace dorofeev_i_ccs_martrix_production { + +class CCSMatrixPerfTests : public ppc::util::BaseRunPerfTests { + protected: + InType input_data_{}; + + void SetUp() override { + // Пятидиагональная матрица 2000x2000 + const int n = 2000; + + CCSMatrix A; + A.rows = n; + A.cols = n; + A.col_ptr.resize(n + 1, 0); + std::vector row_indices; + std::vector values; + + for (int col = 0; col < n; ++col) { + for (int offset = -2; offset <= 2; ++offset) { + int row = col + offset; + if (row >= 0 && row < n) { + row_indices.push_back(row); + values.push_back(1.0); + } + } + A.col_ptr[col + 1] = row_indices.size(); + } + + A.row_indices = std::move(row_indices); + A.values = std::move(values); + + CCSMatrix B = A; + + input_data_ = std::make_pair(A, B); + } + + bool CheckTestOutputData(OutType &output_data) final { + // Минимальная проверка корректности + return output_data.rows > 0 && output_data.cols > 0 && + output_data.col_ptr.size() == static_cast(output_data.cols + 1); + } + + InType GetTestInputData() final { + return input_data_; + } +}; + +TEST_P(CCSMatrixPerfTests, RunPerfModes) { + ExecuteTest(GetParam()); +} + +const auto kAllPerfTasks = + ppc::util::MakeAllPerfTasks( + PPC_SETTINGS_dorofeev_i_ccs_martrix_production); + +const auto kGtestValues = ppc::util::TupleToGTestValues(kAllPerfTasks); + +const auto kPerfTestName = CCSMatrixPerfTests::CustomPerfTestName; + +INSTANTIATE_TEST_SUITE_P(CCSMatrixRunModeTests, CCSMatrixPerfTests, kGtestValues, kPerfTestName); + +} // namespace dorofeev_i_ccs_martrix_production From 97a36fc3bac468a90ac262952b33fdfee964edb0 Mon Sep 17 00:00:00 2001 From: 4elodoy-Molovek Date: Fri, 2 Jan 2026 20:12:41 +0000 Subject: [PATCH 05/12] tsk3rep --- .../info.json | 10 +- .../report.md | 215 ++++++++++++++++++ 2 files changed, 220 insertions(+), 5 deletions(-) diff --git a/tasks/dorofeev_i_ccs_martrix_production/info.json b/tasks/dorofeev_i_ccs_martrix_production/info.json index 108fe1f779..93db28c139 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/info.json +++ b/tasks/dorofeev_i_ccs_martrix_production/info.json @@ -1,9 +1,9 @@ { "student": { - "first_name": "first_name_p", - "last_name": "last_name_p", - "middle_name": "middle_name_p", - "group_number": "2222222_p", + "first_name": "Иван", + "last_name": "Дорофеев", + "middle_name": "Денисович", + "group_number": "3823Б1ФИ1", "task_number": "3" } -} +} \ No newline at end of file diff --git a/tasks/dorofeev_i_ccs_martrix_production/report.md b/tasks/dorofeev_i_ccs_martrix_production/report.md index e69de29bb2..9dc904f571 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/report.md +++ b/tasks/dorofeev_i_ccs_martrix_production/report.md @@ -0,0 +1,215 @@ +# Умножение разреженных матриц в формате CCS + +**Student:** Дорофеев Иван Денисович, group 3823Б1ФИ1 +**Technology:** SEQ | MPI +**Variant:** 4 + +--- + +## 1. Introduction + +Умножение матриц является одной из базовых операций линейной алгебры и широко применяется в задачах научных вычислений, моделирования и обработки данных. При работе с большими матрицами часто встречается ситуация, когда большинство элементов равны нулю, что делает использование плотных алгоритмов неэффективным как по времени, так и по памяти. + +В данной работе рассматривается умножение **разреженных матриц** с элементами типа `double`, представленных в **столбцовом формате хранения CCS (Compressed Column Storage)**. Этот формат позволяет компактно хранить только ненулевые элементы и эффективно выполнять обход по столбцам. + +Целью работы является реализация и сравнение **последовательной (SEQ)** и **параллельной (MPI)** версий алгоритма умножения разреженных матриц, а также анализ их корректности и производительности на матрицах большого размера. + +--- + +## 2. Problem statement + +Требуется реализовать умножение двух разреженных матриц в формате CCS. + +### Требования: + +* элементы матриц имеют тип `double`; +* формат хранения — **CCS (Compressed Column Storage)**; +* размер матриц — **2000 × 2000**; +* структура матриц — **пятидиагональная**; +* реализовать версии: + + * **SEQ** — последовательную, + * **MPI** — параллельную; +* ограничения на коммуникации отсутствуют; +* необходимо сравнить производительность: + + * SEQ, + * MPI (2 процесса), + * MPI (4 процесса). + +### Входные данные: + +* две разреженные матрицы размера 2000 × 2000 в формате CCS. + +### Выходные данные: + +* результирующая разреженная матрица в формате CCS, равная произведению входных матриц. + +--- + +## 3. Baseline Algorithm (Sequential) + +Последовательная версия реализует стандартное умножение разреженных матриц в формате CCS. + +Алгоритм: + +1. Матрицы хранятся в формате CCS: + + * массив ненулевых значений, + * массив индексов строк, + * массив указателей начала столбцов. +2. Для каждого столбца второй матрицы: + + * перебираются все ненулевые элементы; + * для каждого такого элемента выполняется умножение на соответствующий столбец первой матрицы. +3. Результаты аккумулируются в структуре результата, также представленной в формате CCS. +4. Нулевые элементы в результирующей матрице не сохраняются. + +Последовательная версия используется как базовая для оценки ускорения параллельных реализаций. + +--- + +## 4. Parallelization Scheme (MPI) + +MPI-версия использует **распараллеливание по столбцам**, что естественно соответствует формату CCS. + +### Схема работы: + +1. Столбцы второй матрицы делятся между процессами: + + * каждый процесс получает примерно одинаковое количество столбцов; +2. Каждый процесс: + + * выполняет умножение своей части столбцов второй матрицы на первую матрицу; + * формирует локальную часть результирующей матрицы в формате CCS. +3. После завершения вычислений: + + * локальные результаты собираются на корневом процессе; + * выполняется объединение столбцов в итоговую матрицу. + +Коммуникация между процессами осуществляется стандартными средствами MPI, без дополнительных ограничений на использование коллективных операций. + +--- + +## 5. Experimental Setup + +* **Hardware / OS:** + + * CPU: 13th Gen Intel i5-13420H (12) @ 4.6 GHz + * RAM: 16 GB + * OS: Ubuntu 25.10 x86_64 + * Среда выполнения: Docker (Ubuntu noble / trixie) + +* **Toolchain:** + + * CMake 3.28.3 + * g++ 13.3.0 + * OpenMPI + * Тип сборки: `Release` + +* **Test configuration:** + + * Размер матриц: 2000 × 2000 + * Тип матриц: пятидиагональные + * Формат хранения: CCS + +* **Modes tested:** + + * SEQ + * MPI (2 процесса) + * MPI (4 процесса) + +Замеры производительности выполнялись с использованием встроенных performance-тестов (`ppc_perf_tests`) в режимах `pipeline` и `task_run`. + +--- + +## 6. Results and Discussion + +### 6.1 Correctness + +Корректность реализации подтверждена модульными и функциональными тестами GoogleTest. + +Проверяется, что: + +* результат умножения совпадает для SEQ и MPI-версий; +* сохраняется корректный формат CCS; +* алгоритм корректно работает на матрицах большого размера (2000 × 2000). + +Все тесты завершились успешно. + +--- + +### 6.2 Performance + +Для каждого режима использовалось среднее значение между `pipeline` и `task_run`. + +#### Усреднённые времена выполнения: + +* **SEQ** + Усреднение двух запусков (при `-n 2` и `-n 4`): + +[ +T_{seq} = \frac{0.0020515442 + 0.0017208099 + 0.0020211697 + 0.0020744801}{4} +\approx 0.00197 \text{ s} +] + +* **MPI (2 процесса)** + +[ +T_{mpi2} = \frac{0.0043799774 + 0.0059195242}{2} +\approx 0.00515 \text{ s} +] + +* **MPI (4 процесса)** + +[ +T_{mpi4} = \frac{0.0115922458 + 0.0109390654}{2} +\approx 0.01127 \text{ s} +] + +#### Таблица производительности: + +| Mode | Processes | Time (s) | Speedup | Efficiency | +| ------- | --------- | -------- | ------- | ---------- | +| **seq** | 1 | 0.00197 | 1.00 | — | +| **mpi** | 2 | 0.00515 | 0.38 | 19% | +| **mpi** | 4 | 0.01127 | 0.17 | 4% | + +--- + +## 7. Discussion + +Результаты экспериментов показывают, что для рассматриваемой задачи параллельная версия оказывается медленнее последовательной. + +Основные причины этого поведения: + +* пятидиагональная матрица содержит очень малое количество ненулевых элементов; +* объём вычислений на каждый процесс невелик; +* накладные расходы на MPI-коммуникации превышают выигрыш от распараллеливания; +* дополнительное время тратится на сбор и объединение локальных CCS-структур. + +Таким образом, задача является **память- и коммуникационно-ограниченной**, а не вычислительно интенсивной. + +--- + +## 8. Conclusions + +В ходе работы было реализовано умножение разреженных матриц в формате CCS в последовательной и параллельной (MPI) версиях. + +Полученные результаты показывают, что: + +* SEQ-версия является наиболее эффективной для разреженных пятидиагональных матриц; +* MPI-реализация корректна, но не даёт ускорения при малой плотности ненулевых элементов; +* распараллеливание имеет смысл для более плотных матриц или существенно больших размеров задач. + +Работа демонстрирует важность учёта структуры данных и соотношения вычислений и коммуникаций при разработке параллельных алгоритмов. + +--- + +## 9. References + +1. "Параллельное программирование для кластерных систем", ИИТММ, ННГУ им. Лобачевского +2. [Open MPI Documentation](https://www.open-mpi.org/doc/) +3. [MPI Reference – Message Passing Interface | Microsoft Learn](https://learn.microsoft.com/en-us/message-passing-interface/mpi-reference) +4. [Matrix Computations, Gene H. Golub, Charles F. Van Loan] + From a35b616cc94200883e9ba0142a03eda9de71f27d Mon Sep 17 00:00:00 2001 From: 4elodoy-Molovek <87127831+4elodoy-Molovek@users.noreply.github.com> Date: Fri, 2 Jan 2026 23:18:04 +0300 Subject: [PATCH 06/12] Update matrix multiplication variant from 4 to 5 --- tasks/dorofeev_i_ccs_martrix_production/report.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tasks/dorofeev_i_ccs_martrix_production/report.md b/tasks/dorofeev_i_ccs_martrix_production/report.md index 9dc904f571..e9224cde3c 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/report.md +++ b/tasks/dorofeev_i_ccs_martrix_production/report.md @@ -2,7 +2,7 @@ **Student:** Дорофеев Иван Денисович, group 3823Б1ФИ1 **Technology:** SEQ | MPI -**Variant:** 4 +**Variant:** 5 --- From a09113aa11787a52f7e929f4f230963473b46e2e Mon Sep 17 00:00:00 2001 From: 4elodoy-Molovek Date: Fri, 2 Jan 2026 20:50:07 +0000 Subject: [PATCH 07/12] tidy --- .../mpi/src/ops_mpi.cpp | 102 +++++++++--------- .../seq/src/ops_seq.cpp | 43 ++++---- .../tests/functional/main.cpp | 33 +++--- .../tests/performance/main.cpp | 25 ++--- 4 files changed, 105 insertions(+), 98 deletions(-) diff --git a/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp b/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp index f16c04d877..8aea612dcd 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp +++ b/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp @@ -2,6 +2,8 @@ #include +#include +#include #include #include @@ -15,18 +17,18 @@ DorofeevICCSMatrixProductionMPI::DorofeevICCSMatrixProductionMPI(const InType &i } bool DorofeevICCSMatrixProductionMPI::ValidationImpl() { - const auto &A = GetInput().first; - const auto &B = GetInput().second; + const auto &a = GetInput().first; + const auto &b = GetInput().second; - if (A.cols != B.rows) { + if (a.cols != b.rows) { return false; } - if (A.col_ptr.size() != static_cast(A.cols + 1)) { + if (static_cast(a.col_ptr.size()) != a.cols + 1) { return false; } - if (B.col_ptr.size() != static_cast(B.cols + 1)) { + if (static_cast(b.col_ptr.size()) != b.cols + 1) { return false; } @@ -46,26 +48,26 @@ bool DorofeevICCSMatrixProductionMPI::PreProcessingImpl() { return true; } -bool DorofeevICCSMatrixProductionMPI::RunImpl() { +bool DorofeevICCSMatrixProductionMPI::RunImpl() { // NOLINT(readability-function-cognitive-complexity) int rank = 0; int size = 1; MPI_Comm_rank(MPI_COMM_WORLD, &rank); MPI_Comm_size(MPI_COMM_WORLD, &size); - const auto &A = GetInput().first; - const auto &B = GetInput().second; - auto &C = GetOutput(); + const auto &a = GetInput().first; + const auto &b = GetInput().second; + auto &c = GetOutput(); - C.rows = A.rows; - C.cols = B.cols; - C.col_ptr.assign(B.cols + 1, 0); - C.row_indices.clear(); - C.values.clear(); + c.rows = a.rows; + c.cols = b.cols; + c.col_ptr.assign(b.cols + 1, 0); + c.row_indices.clear(); + c.values.clear(); - const int cols_per_proc = B.cols / size; - const int remainder = B.cols % size; + const int cols_per_proc = b.cols / size; + const int remainder = b.cols % size; - const int start_col = rank * cols_per_proc + std::min(rank, remainder); + const int start_col = (rank * cols_per_proc) + std::min(rank, remainder); const int local_cols = cols_per_proc + (rank < remainder ? 1 : 0); std::vector> local_columns(local_cols); @@ -73,16 +75,16 @@ bool DorofeevICCSMatrixProductionMPI::RunImpl() { for (int j = 0; j < local_cols; j++) { int global_col = start_col + j; std::map col_map; - int start = B.col_ptr[global_col]; - int end = B.col_ptr[global_col + 1]; + int start = b.col_ptr[global_col]; + int end = b.col_ptr[global_col + 1]; for (int idx = start; idx < end; ++idx) { - int k = B.row_indices[idx]; - double b_val = B.values[idx]; - int a_start = A.col_ptr[k]; - int a_end = A.col_ptr[k + 1]; + int k = b.row_indices[idx]; + double b_val = b.values[idx]; + int a_start = a.col_ptr[k]; + int a_end = a.col_ptr[k + 1]; for (int a_idx = a_start; a_idx < a_end; ++a_idx) { - int m = A.row_indices[a_idx]; - double a_val = A.values[a_idx]; + int m = a.row_indices[a_idx]; + double a_val = a.values[a_idx]; col_map[m] += a_val * b_val; } } @@ -92,34 +94,34 @@ bool DorofeevICCSMatrixProductionMPI::RunImpl() { if (rank == 0) { int col_offset = 0; for (int j = 0; j < local_cols; j++) { - C.col_ptr[col_offset + 1] = C.col_ptr[col_offset] + local_columns[j].size(); + c.col_ptr[col_offset + 1] = c.col_ptr[col_offset] + static_cast(local_columns[j].size()); for (const auto &[row, value] : local_columns[j]) { - C.row_indices.push_back(row); - C.values.push_back(value); + c.row_indices.push_back(row); + c.values.push_back(value); } col_offset++; } - for (int p = 0; p < size - 1; p++) { - int recv_cols = cols_per_proc + (p + 1 < remainder ? 1 : 0); + for (int process_idx = 0; process_idx < size - 1; process_idx++) { + int recv_cols = cols_per_proc + (process_idx + 1 < remainder ? 1 : 0); for (int j = 0; j < recv_cols; j++) { int nnz = 0; - MPI_Recv(&nnz, 1, MPI_INT, p + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - C.col_ptr[col_offset + 1] = C.col_ptr[col_offset] + nnz; + MPI_Recv(&nnz, 1, MPI_INT, process_idx + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + c.col_ptr[col_offset + 1] = c.col_ptr[col_offset] + nnz; for (int k = 0; k < nnz; k++) { - int row; - double val; - MPI_Recv(&row, 1, MPI_INT, p + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - MPI_Recv(&val, 1, MPI_DOUBLE, p + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - C.row_indices.push_back(row); - C.values.push_back(val); + int row = 0; + double val = 0.0; + MPI_Recv(&row, 1, MPI_INT, process_idx + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + MPI_Recv(&val, 1, MPI_DOUBLE, process_idx + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + c.row_indices.push_back(row); + c.values.push_back(val); } col_offset++; } } } else { for (const auto &col : local_columns) { - int nnz = col.size(); + int nnz = static_cast(col.size()); MPI_Send(&nnz, 1, MPI_INT, 0, 0, MPI_COMM_WORLD); for (const auto &[row, val] : col) { MPI_Send(&row, 1, MPI_INT, 0, 0, MPI_COMM_WORLD); @@ -131,26 +133,26 @@ bool DorofeevICCSMatrixProductionMPI::RunImpl() { MPI_Barrier(MPI_COMM_WORLD); // Broadcast the result to all processes - MPI_Bcast(&C.rows, 1, MPI_INT, 0, MPI_COMM_WORLD); - MPI_Bcast(&C.cols, 1, MPI_INT, 0, MPI_COMM_WORLD); - int col_ptr_size = C.col_ptr.size(); + MPI_Bcast(&c.rows, 1, MPI_INT, 0, MPI_COMM_WORLD); + MPI_Bcast(&c.cols, 1, MPI_INT, 0, MPI_COMM_WORLD); + int col_ptr_size = static_cast(c.col_ptr.size()); MPI_Bcast(&col_ptr_size, 1, MPI_INT, 0, MPI_COMM_WORLD); if (rank != 0) { - C.col_ptr.resize(col_ptr_size); + c.col_ptr.resize(col_ptr_size); } - MPI_Bcast(C.col_ptr.data(), col_ptr_size, MPI_INT, 0, MPI_COMM_WORLD); - int row_indices_size = C.row_indices.size(); + MPI_Bcast(c.col_ptr.data(), col_ptr_size, MPI_INT, 0, MPI_COMM_WORLD); + int row_indices_size = static_cast(c.row_indices.size()); MPI_Bcast(&row_indices_size, 1, MPI_INT, 0, MPI_COMM_WORLD); if (rank != 0) { - C.row_indices.resize(row_indices_size); + c.row_indices.resize(row_indices_size); } - MPI_Bcast(C.row_indices.data(), row_indices_size, MPI_INT, 0, MPI_COMM_WORLD); - int values_size = C.values.size(); + MPI_Bcast(c.row_indices.data(), row_indices_size, MPI_INT, 0, MPI_COMM_WORLD); + int values_size = static_cast(c.values.size()); MPI_Bcast(&values_size, 1, MPI_INT, 0, MPI_COMM_WORLD); if (rank != 0) { - C.values.resize(values_size); + c.values.resize(values_size); } - MPI_Bcast(C.values.data(), values_size, MPI_DOUBLE, 0, MPI_COMM_WORLD); + MPI_Bcast(c.values.data(), values_size, MPI_DOUBLE, 0, MPI_COMM_WORLD); return true; } diff --git a/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp b/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp index 25e1e6875f..b3475ecbdd 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp +++ b/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp @@ -1,6 +1,7 @@ #include "dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp" #include +#include #include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" @@ -12,18 +13,18 @@ DorofeevICCSMatrixProductionSEQ::DorofeevICCSMatrixProductionSEQ(const InType &i } bool DorofeevICCSMatrixProductionSEQ::ValidationImpl() { - const auto &A = GetInput().first; - const auto &B = GetInput().second; + const auto &a = GetInput().first; + const auto &b = GetInput().second; - if (A.cols != B.rows) { + if (a.cols != b.rows) { return false; } - if (A.col_ptr.size() != static_cast(A.cols + 1)) { + if (static_cast(a.col_ptr.size()) != a.cols + 1) { return false; } - if (B.col_ptr.size() != static_cast(B.cols + 1)) { + if (static_cast(b.col_ptr.size()) != b.cols + 1) { return false; } @@ -38,30 +39,30 @@ bool DorofeevICCSMatrixProductionSEQ::PreProcessingImpl() { } bool DorofeevICCSMatrixProductionSEQ::RunImpl() { - const auto &A = GetInput().first; - const auto &B = GetInput().second; - auto &C = GetOutput(); + const auto &a = GetInput().first; + const auto &b = GetInput().second; + auto &c = GetOutput(); - std::vector> columns(C.cols); + std::vector> columns(c.cols); - for (int j = 0; j < B.cols; j++) { - for (int idxB = B.col_ptr[j]; idxB < B.col_ptr[j + 1]; idxB++) { - int rowB = B.row_indices[idxB]; - double valB = B.values[idxB]; + for (int j = 0; j < b.cols; j++) { + for (int idx_b = b.col_ptr[j]; idx_b < b.col_ptr[j + 1]; idx_b++) { + int row_b = b.row_indices[idx_b]; + double val_b = b.values[idx_b]; - for (int idxA = A.col_ptr[rowB]; idxA < A.col_ptr[rowB + 1]; idxA++) { - int rowA = A.row_indices[idxA]; - double valA = A.values[idxA]; - columns[j][rowA] += valA * valB; + for (int idx_a = a.col_ptr[row_b]; idx_a < a.col_ptr[row_b + 1]; idx_a++) { + int row_a = a.row_indices[idx_a]; + double val_a = a.values[idx_a]; + columns[j][row_a] += val_a * val_b; } } } - for (int j = 0; j < C.cols; j++) { - C.col_ptr[j + 1] = C.col_ptr[j] + columns[j].size(); + for (int j = 0; j < c.cols; j++) { + c.col_ptr[j + 1] = c.col_ptr[j] + static_cast(columns[j].size()); for (const auto &[row, value] : columns[j]) { - C.row_indices.push_back(row); - C.values.push_back(value); + c.row_indices.push_back(row); + c.values.push_back(value); } } diff --git a/tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp b/tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp index 5a9feab33d..c1ca1763f3 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp +++ b/tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp @@ -1,6 +1,9 @@ #include #include +#include +#include +#include #include #include #include @@ -32,21 +35,21 @@ class DorofeevICCSMatrixFuncTests : public ppc::util::BaseRunFuncTests +#include #include #include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" @@ -11,16 +12,16 @@ namespace dorofeev_i_ccs_martrix_production { class CCSMatrixPerfTests : public ppc::util::BaseRunPerfTests { protected: - InType input_data_{}; + InType input_data; void SetUp() override { // Пятидиагональная матрица 2000x2000 const int n = 2000; - CCSMatrix A; - A.rows = n; - A.cols = n; - A.col_ptr.resize(n + 1, 0); + CCSMatrix a; + a.rows = n; + a.cols = n; + a.col_ptr.resize(n + 1, 0); std::vector row_indices; std::vector values; @@ -32,25 +33,25 @@ class CCSMatrixPerfTests : public ppc::util::BaseRunPerfTests { values.push_back(1.0); } } - A.col_ptr[col + 1] = row_indices.size(); + a.col_ptr[col + 1] = static_cast(row_indices.size()); } - A.row_indices = std::move(row_indices); - A.values = std::move(values); + a.row_indices = std::move(row_indices); + a.values = std::move(values); - CCSMatrix B = A; + CCSMatrix b = a; - input_data_ = std::make_pair(A, B); + input_data = std::make_pair(a, b); } bool CheckTestOutputData(OutType &output_data) final { // Минимальная проверка корректности return output_data.rows > 0 && output_data.cols > 0 && - output_data.col_ptr.size() == static_cast(output_data.cols + 1); + static_cast(output_data.col_ptr.size()) == output_data.cols + 1; } InType GetTestInputData() final { - return input_data_; + return input_data; } }; From 942f85f55d9c55f6939914c8b69be3475be54193 Mon Sep 17 00:00:00 2001 From: 4elodoy-Molovek Date: Fri, 2 Jan 2026 22:45:50 +0000 Subject: [PATCH 08/12] perf improvement --- .../mpi/src/ops_mpi.cpp | 67 ++++++++++++------- .../seq/src/ops_seq.cpp | 12 ++-- 2 files changed, 50 insertions(+), 29 deletions(-) diff --git a/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp b/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp index 8aea612dcd..9d968329ac 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp +++ b/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp @@ -4,7 +4,8 @@ #include #include -#include +#include +#include #include #include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" @@ -70,11 +71,11 @@ bool DorofeevICCSMatrixProductionMPI::RunImpl() { // NOLINT(readability-functio const int start_col = (rank * cols_per_proc) + std::min(rank, remainder); const int local_cols = cols_per_proc + (rank < remainder ? 1 : 0); - std::vector> local_columns(local_cols); + std::vector> local_columns(local_cols); for (int j = 0; j < local_cols; j++) { int global_col = start_col + j; - std::map col_map; + std::unordered_map col_map; int start = b.col_ptr[global_col]; int end = b.col_ptr[global_col + 1]; for (int idx = start; idx < end; ++idx) { @@ -94,44 +95,60 @@ bool DorofeevICCSMatrixProductionMPI::RunImpl() { // NOLINT(readability-functio if (rank == 0) { int col_offset = 0; for (int j = 0; j < local_cols; j++) { - c.col_ptr[col_offset + 1] = c.col_ptr[col_offset] + static_cast(local_columns[j].size()); - for (const auto &[row, value] : local_columns[j]) { + std::vector> sorted_col(local_columns[j].begin(), local_columns[j].end()); + std::ranges::sort(sorted_col); + c.col_ptr[col_offset + 1] = c.col_ptr[col_offset] + static_cast(sorted_col.size()); + for (const auto &[row, value] : sorted_col) { c.row_indices.push_back(row); c.values.push_back(value); } col_offset++; } - for (int process_idx = 0; process_idx < size - 1; process_idx++) { - int recv_cols = cols_per_proc + (process_idx + 1 < remainder ? 1 : 0); - for (int j = 0; j < recv_cols; j++) { - int nnz = 0; - MPI_Recv(&nnz, 1, MPI_INT, process_idx + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - c.col_ptr[col_offset + 1] = c.col_ptr[col_offset] + nnz; - for (int k = 0; k < nnz; k++) { - int row = 0; - double val = 0.0; - MPI_Recv(&row, 1, MPI_INT, process_idx + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - MPI_Recv(&val, 1, MPI_DOUBLE, process_idx + 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - c.row_indices.push_back(row); - c.values.push_back(val); + for (int process_idx = 1; process_idx < size; process_idx++) { + int num_cols = 0; + MPI_Recv(&num_cols, 1, MPI_INT, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + std::vector nnzs(num_cols); + MPI_Recv(nnzs.data(), num_cols, MPI_INT, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + int total_nnz = 0; + for (int n : nnzs) { + total_nnz += n; + } + std::vector all_rows(total_nnz); + MPI_Recv(all_rows.data(), total_nnz, MPI_INT, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + std::vector all_vals(total_nnz); + MPI_Recv(all_vals.data(), total_nnz, MPI_DOUBLE, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + int idx = 0; + for (int n : nnzs) { + c.col_ptr[col_offset + 1] = c.col_ptr[col_offset] + n; + for (int k = 0; k < n; k++) { + c.row_indices.push_back(all_rows[idx]); + c.values.push_back(all_vals[idx]); + idx++; } col_offset++; } } } else { + int num_cols = static_cast(local_columns.size()); + MPI_Send(&num_cols, 1, MPI_INT, 0, 0, MPI_COMM_WORLD); + std::vector nnzs; + std::vector all_rows; + std::vector all_vals; for (const auto &col : local_columns) { - int nnz = static_cast(col.size()); - MPI_Send(&nnz, 1, MPI_INT, 0, 0, MPI_COMM_WORLD); - for (const auto &[row, val] : col) { - MPI_Send(&row, 1, MPI_INT, 0, 0, MPI_COMM_WORLD); - MPI_Send(&val, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD); + std::vector> sorted_col(col.begin(), col.end()); + std::ranges::sort(sorted_col); + nnzs.push_back(static_cast(sorted_col.size())); + for (const auto &[row, val] : sorted_col) { + all_rows.push_back(row); + all_vals.push_back(val); } } + MPI_Send(nnzs.data(), static_cast(nnzs.size()), MPI_INT, 0, 0, MPI_COMM_WORLD); + MPI_Send(all_rows.data(), static_cast(all_rows.size()), MPI_INT, 0, 0, MPI_COMM_WORLD); + MPI_Send(all_vals.data(), static_cast(all_vals.size()), MPI_DOUBLE, 0, 0, MPI_COMM_WORLD); } - MPI_Barrier(MPI_COMM_WORLD); - // Broadcast the result to all processes MPI_Bcast(&c.rows, 1, MPI_INT, 0, MPI_COMM_WORLD); MPI_Bcast(&c.cols, 1, MPI_INT, 0, MPI_COMM_WORLD); diff --git a/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp b/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp index b3475ecbdd..e875c8b088 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp +++ b/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp @@ -1,6 +1,8 @@ #include "dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp" -#include +#include +#include +#include #include #include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" @@ -43,7 +45,7 @@ bool DorofeevICCSMatrixProductionSEQ::RunImpl() { const auto &b = GetInput().second; auto &c = GetOutput(); - std::vector> columns(c.cols); + std::vector> columns(c.cols); for (int j = 0; j < b.cols; j++) { for (int idx_b = b.col_ptr[j]; idx_b < b.col_ptr[j + 1]; idx_b++) { @@ -59,8 +61,10 @@ bool DorofeevICCSMatrixProductionSEQ::RunImpl() { } for (int j = 0; j < c.cols; j++) { - c.col_ptr[j + 1] = c.col_ptr[j] + static_cast(columns[j].size()); - for (const auto &[row, value] : columns[j]) { + std::vector> sorted_col(columns[j].begin(), columns[j].end()); + std::ranges::sort(sorted_col); + c.col_ptr[j + 1] = c.col_ptr[j] + static_cast(sorted_col.size()); + for (const auto &[row, value] : sorted_col) { c.row_indices.push_back(row); c.values.push_back(value); } From a9bf3431b54f19410a554b546113138a28b5f40a Mon Sep 17 00:00:00 2001 From: 4elodoy-Molovek Date: Sat, 3 Jan 2026 07:40:03 +0000 Subject: [PATCH 09/12] applying fixes --- .../dorofeev_i_ccs_martrix_production/data/pic.jpg | Bin 23 -> 0 bytes 1 file changed, 0 insertions(+), 0 deletions(-) delete mode 100644 tasks/dorofeev_i_ccs_martrix_production/data/pic.jpg diff --git a/tasks/dorofeev_i_ccs_martrix_production/data/pic.jpg b/tasks/dorofeev_i_ccs_martrix_production/data/pic.jpg deleted file mode 100644 index 637624238c89d914613ed301968bffbf462bc110..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 23 bcmWGA<1$h(;xaNd<@(RSzyQYo|NjR7KDY Date: Sat, 3 Jan 2026 15:13:03 +0000 Subject: [PATCH 10/12] llllll --- .../common/include/common.hpp | 4 ++-- .../info.json | 0 .../mpi/include/ops_mpi.hpp | 6 +++--- .../mpi/src/ops_mpi.cpp | 10 +++++----- .../report.md | 0 .../seq/include/ops_seq.hpp | 6 +++--- .../seq/src/ops_seq.cpp | 8 ++++---- .../settings.json | 2 +- .../tests/.clang-tidy | 0 .../tests/functional/main.cpp | 14 +++++++------- .../tests/performance/main.cpp | 12 ++++++------ 11 files changed, 31 insertions(+), 31 deletions(-) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/common/include/common.hpp (85%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/info.json (100%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/mpi/include/ops_mpi.hpp (72%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/mpi/src/ops_mpi.cpp (94%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/report.md (100%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/seq/include/ops_seq.hpp (72%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/seq/src/ops_seq.cpp (88%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/settings.json (97%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/tests/.clang-tidy (100%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/tests/functional/main.cpp (86%) rename tasks/{dorofeev_i_ccs_martrix_production => dorofeev_i_ccs_matrix_production}/tests/performance/main.cpp (82%) diff --git a/tasks/dorofeev_i_ccs_martrix_production/common/include/common.hpp b/tasks/dorofeev_i_ccs_matrix_production/common/include/common.hpp similarity index 85% rename from tasks/dorofeev_i_ccs_martrix_production/common/include/common.hpp rename to tasks/dorofeev_i_ccs_matrix_production/common/include/common.hpp index cd8b84cfb2..ee90eeae18 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/common/include/common.hpp +++ b/tasks/dorofeev_i_ccs_matrix_production/common/include/common.hpp @@ -7,7 +7,7 @@ #include "task/include/task.hpp" -namespace dorofeev_i_ccs_martrix_production { +namespace dorofeev_i_ccs_matrix_production { struct CCSMatrix { int rows = 0; @@ -22,4 +22,4 @@ using OutType = CCSMatrix; using TestType = std::tuple; using BaseTask = ppc::task::Task; -} // namespace dorofeev_i_ccs_martrix_production +} // namespace dorofeev_i_ccs_matrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/info.json b/tasks/dorofeev_i_ccs_matrix_production/info.json similarity index 100% rename from tasks/dorofeev_i_ccs_martrix_production/info.json rename to tasks/dorofeev_i_ccs_matrix_production/info.json diff --git a/tasks/dorofeev_i_ccs_martrix_production/mpi/include/ops_mpi.hpp b/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp similarity index 72% rename from tasks/dorofeev_i_ccs_martrix_production/mpi/include/ops_mpi.hpp rename to tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp index 825c9e6ec2..5b2acf2f8a 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/mpi/include/ops_mpi.hpp +++ b/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp @@ -1,9 +1,9 @@ #pragma once -#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" +#include "dorofeev_i_ccs_matrix_production/common/include/common.hpp" #include "task/include/task.hpp" -namespace dorofeev_i_ccs_martrix_production { +namespace dorofeev_i_ccs_matrix_production { class DorofeevICCSMatrixProductionMPI : public BaseTask { public: @@ -20,4 +20,4 @@ class DorofeevICCSMatrixProductionMPI : public BaseTask { bool PostProcessingImpl() override; }; -} // namespace dorofeev_i_ccs_martrix_production +} // namespace dorofeev_i_ccs_matrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp b/tasks/dorofeev_i_ccs_matrix_production/mpi/src/ops_mpi.cpp similarity index 94% rename from tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp rename to tasks/dorofeev_i_ccs_matrix_production/mpi/src/ops_mpi.cpp index 9d968329ac..0ac408d0ca 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/mpi/src/ops_mpi.cpp +++ b/tasks/dorofeev_i_ccs_matrix_production/mpi/src/ops_mpi.cpp @@ -1,4 +1,4 @@ -#include "dorofeev_i_ccs_martrix_production/mpi/include/ops_mpi.hpp" +#include "dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp" #include @@ -8,9 +8,9 @@ #include #include -#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" +#include "dorofeev_i_ccs_matrix_production/common/include/common.hpp" -namespace dorofeev_i_ccs_martrix_production { +namespace dorofeev_i_ccs_matrix_production { DorofeevICCSMatrixProductionMPI::DorofeevICCSMatrixProductionMPI(const InType &in) { SetTypeOfTask(GetStaticTypeOfTask()); @@ -49,7 +49,7 @@ bool DorofeevICCSMatrixProductionMPI::PreProcessingImpl() { return true; } -bool DorofeevICCSMatrixProductionMPI::RunImpl() { // NOLINT(readability-function-cognitive-complexity) +bool DorofeevICCSMatrixProductionMPI::RunImpl() { int rank = 0; int size = 1; MPI_Comm_rank(MPI_COMM_WORLD, &rank); @@ -178,4 +178,4 @@ bool DorofeevICCSMatrixProductionMPI::PostProcessingImpl() { return true; } -} // namespace dorofeev_i_ccs_martrix_production +} // namespace dorofeev_i_ccs_matrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/report.md b/tasks/dorofeev_i_ccs_matrix_production/report.md similarity index 100% rename from tasks/dorofeev_i_ccs_martrix_production/report.md rename to tasks/dorofeev_i_ccs_matrix_production/report.md diff --git a/tasks/dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp b/tasks/dorofeev_i_ccs_matrix_production/seq/include/ops_seq.hpp similarity index 72% rename from tasks/dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp rename to tasks/dorofeev_i_ccs_matrix_production/seq/include/ops_seq.hpp index c8c477e8e7..d16fe8b553 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp +++ b/tasks/dorofeev_i_ccs_matrix_production/seq/include/ops_seq.hpp @@ -1,9 +1,9 @@ #pragma once -#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" +#include "dorofeev_i_ccs_matrix_production/common/include/common.hpp" #include "task/include/task.hpp" -namespace dorofeev_i_ccs_martrix_production { +namespace dorofeev_i_ccs_matrix_production { class DorofeevICCSMatrixProductionSEQ : public BaseTask { public: @@ -20,4 +20,4 @@ class DorofeevICCSMatrixProductionSEQ : public BaseTask { bool PostProcessingImpl() override; }; -} // namespace dorofeev_i_ccs_martrix_production +} // namespace dorofeev_i_ccs_matrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp b/tasks/dorofeev_i_ccs_matrix_production/seq/src/ops_seq.cpp similarity index 88% rename from tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp rename to tasks/dorofeev_i_ccs_matrix_production/seq/src/ops_seq.cpp index e875c8b088..20375ff880 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/seq/src/ops_seq.cpp +++ b/tasks/dorofeev_i_ccs_matrix_production/seq/src/ops_seq.cpp @@ -1,13 +1,13 @@ -#include "dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp" +#include "dorofeev_i_ccs_matrix_production/seq/include/ops_seq.hpp" #include #include #include #include -#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" +#include "dorofeev_i_ccs_matrix_production/common/include/common.hpp" -namespace dorofeev_i_ccs_martrix_production { +namespace dorofeev_i_ccs_matrix_production { DorofeevICCSMatrixProductionSEQ::DorofeevICCSMatrixProductionSEQ(const InType &in) { SetTypeOfTask(GetStaticTypeOfTask()); @@ -77,4 +77,4 @@ bool DorofeevICCSMatrixProductionSEQ::PostProcessingImpl() { return true; } -} // namespace dorofeev_i_ccs_martrix_production +} // namespace dorofeev_i_ccs_matrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/settings.json b/tasks/dorofeev_i_ccs_matrix_production/settings.json similarity index 97% rename from tasks/dorofeev_i_ccs_martrix_production/settings.json rename to tasks/dorofeev_i_ccs_matrix_production/settings.json index b1a0d52574..0dd4f2b205 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/settings.json +++ b/tasks/dorofeev_i_ccs_matrix_production/settings.json @@ -4,4 +4,4 @@ "mpi": "enabled", "seq": "enabled" } -} +} \ No newline at end of file diff --git a/tasks/dorofeev_i_ccs_martrix_production/tests/.clang-tidy b/tasks/dorofeev_i_ccs_matrix_production/tests/.clang-tidy similarity index 100% rename from tasks/dorofeev_i_ccs_martrix_production/tests/.clang-tidy rename to tasks/dorofeev_i_ccs_matrix_production/tests/.clang-tidy diff --git a/tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp b/tasks/dorofeev_i_ccs_matrix_production/tests/functional/main.cpp similarity index 86% rename from tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp rename to tasks/dorofeev_i_ccs_matrix_production/tests/functional/main.cpp index c1ca1763f3..299db58f22 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/tests/functional/main.cpp +++ b/tasks/dorofeev_i_ccs_matrix_production/tests/functional/main.cpp @@ -9,12 +9,12 @@ #include #include -#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" -#include "dorofeev_i_ccs_martrix_production/mpi/include/ops_mpi.hpp" -#include "dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp" +#include "dorofeev_i_ccs_matrix_production/common/include/common.hpp" +#include "dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp" +#include "dorofeev_i_ccs_matrix_production/seq/include/ops_seq.hpp" #include "util/include/func_test_util.hpp" -namespace dorofeev_i_ccs_martrix_production { +namespace dorofeev_i_ccs_matrix_production { class DorofeevICCSMatrixFuncTests : public ppc::util::BaseRunFuncTests { public: @@ -99,11 +99,11 @@ const std::array kTestParams = { }; const auto kTaskList = std::tuple_cat(ppc::util::AddFuncTask( - kTestParams, PPC_SETTINGS_dorofeev_i_ccs_martrix_production), + kTestParams, PPC_SETTINGS_dorofeev_i_ccs_matrix_production), ppc::util::AddFuncTask( - kTestParams, PPC_SETTINGS_dorofeev_i_ccs_martrix_production)); + kTestParams, PPC_SETTINGS_dorofeev_i_ccs_matrix_production)); INSTANTIATE_TEST_SUITE_P(CCSMatrixTests, DorofeevICCSMatrixFuncTests, ppc::util::ExpandToValues(kTaskList), DorofeevICCSMatrixFuncTests::PrintFuncTestName); -} // namespace dorofeev_i_ccs_martrix_production +} // namespace dorofeev_i_ccs_matrix_production diff --git a/tasks/dorofeev_i_ccs_martrix_production/tests/performance/main.cpp b/tasks/dorofeev_i_ccs_matrix_production/tests/performance/main.cpp similarity index 82% rename from tasks/dorofeev_i_ccs_martrix_production/tests/performance/main.cpp rename to tasks/dorofeev_i_ccs_matrix_production/tests/performance/main.cpp index df6933d569..baee6bbe29 100644 --- a/tasks/dorofeev_i_ccs_martrix_production/tests/performance/main.cpp +++ b/tasks/dorofeev_i_ccs_matrix_production/tests/performance/main.cpp @@ -3,12 +3,12 @@ #include #include -#include "dorofeev_i_ccs_martrix_production/common/include/common.hpp" -#include "dorofeev_i_ccs_martrix_production/mpi/include/ops_mpi.hpp" -#include "dorofeev_i_ccs_martrix_production/seq/include/ops_seq.hpp" +#include "dorofeev_i_ccs_matrix_production/common/include/common.hpp" +#include "dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp" +#include "dorofeev_i_ccs_matrix_production/seq/include/ops_seq.hpp" #include "util/include/perf_test_util.hpp" -namespace dorofeev_i_ccs_martrix_production { +namespace dorofeev_i_ccs_matrix_production { class CCSMatrixPerfTests : public ppc::util::BaseRunPerfTests { protected: @@ -61,7 +61,7 @@ TEST_P(CCSMatrixPerfTests, RunPerfModes) { const auto kAllPerfTasks = ppc::util::MakeAllPerfTasks( - PPC_SETTINGS_dorofeev_i_ccs_martrix_production); + PPC_SETTINGS_dorofeev_i_ccs_matrix_production); const auto kGtestValues = ppc::util::TupleToGTestValues(kAllPerfTasks); @@ -69,4 +69,4 @@ const auto kPerfTestName = CCSMatrixPerfTests::CustomPerfTestName; INSTANTIATE_TEST_SUITE_P(CCSMatrixRunModeTests, CCSMatrixPerfTests, kGtestValues, kPerfTestName); -} // namespace dorofeev_i_ccs_martrix_production +} // namespace dorofeev_i_ccs_matrix_production From 6a95ff6feb74380f5a8752aee3e1d993de254762 Mon Sep 17 00:00:00 2001 From: 4elodoy-Molovek Date: Sat, 3 Jan 2026 15:46:59 +0000 Subject: [PATCH 11/12] lllllll --- .../mpi/include/ops_mpi.hpp | 11 + .../mpi/src/ops_mpi.cpp | 206 ++++++++++-------- 2 files changed, 130 insertions(+), 87 deletions(-) diff --git a/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp b/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp index 5b2acf2f8a..80e6cbc655 100644 --- a/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp +++ b/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp @@ -18,6 +18,17 @@ class DorofeevICCSMatrixProductionMPI : public BaseTask { bool PreProcessingImpl() override; bool RunImpl() override; bool PostProcessingImpl() override; + + static std::pair ComputeLocalColumnRange(int rank, int size, int total_cols); + static std::vector> ComputeLocalColumns(const InType &input, int start_col, + int local_cols); + static void GatherResultsOnRoot(OutType &output, std::vector> &local_columns, + int size, int rank); + static void ProcessLocalResultsOnRoot(OutType &output, std::vector> &local_columns, + int &col_offset); + static void ReceiveResultsFromProcess(OutType &output, int process_idx, int &col_offset); + static void SendResultsToRoot(const std::vector> &local_columns); + static void BroadcastResults(OutType &output, int rank); }; } // namespace dorofeev_i_ccs_matrix_production diff --git a/tasks/dorofeev_i_ccs_matrix_production/mpi/src/ops_mpi.cpp b/tasks/dorofeev_i_ccs_matrix_production/mpi/src/ops_mpi.cpp index 0ac408d0ca..9312c0d213 100644 --- a/tasks/dorofeev_i_ccs_matrix_production/mpi/src/ops_mpi.cpp +++ b/tasks/dorofeev_i_ccs_matrix_production/mpi/src/ops_mpi.cpp @@ -4,6 +4,7 @@ #include #include +#include #include #include #include @@ -49,127 +50,158 @@ bool DorofeevICCSMatrixProductionMPI::PreProcessingImpl() { return true; } -bool DorofeevICCSMatrixProductionMPI::RunImpl() { - int rank = 0; - int size = 1; - MPI_Comm_rank(MPI_COMM_WORLD, &rank); - MPI_Comm_size(MPI_COMM_WORLD, &size); - - const auto &a = GetInput().first; - const auto &b = GetInput().second; - auto &c = GetOutput(); - - c.rows = a.rows; - c.cols = b.cols; - c.col_ptr.assign(b.cols + 1, 0); - c.row_indices.clear(); - c.values.clear(); - - const int cols_per_proc = b.cols / size; - const int remainder = b.cols % size; - +std::pair DorofeevICCSMatrixProductionMPI::ComputeLocalColumnRange(int rank, int size, int total_cols) { + const int cols_per_proc = total_cols / size; + const int remainder = total_cols % size; const int start_col = (rank * cols_per_proc) + std::min(rank, remainder); const int local_cols = cols_per_proc + (rank < remainder ? 1 : 0); + return {start_col, local_cols}; +} +std::vector> DorofeevICCSMatrixProductionMPI::ComputeLocalColumns(const InType &input, + int start_col, + int local_cols) { + const auto &a = input.first; + const auto &b = input.second; std::vector> local_columns(local_cols); - for (int j = 0; j < local_cols; j++) { - int global_col = start_col + j; + for (size_t j = 0; std::cmp_less(j, local_cols); j++) { + int global_col = start_col + static_cast(j); std::unordered_map col_map; int start = b.col_ptr[global_col]; int end = b.col_ptr[global_col + 1]; - for (int idx = start; idx < end; ++idx) { - int k = b.row_indices[idx]; - double b_val = b.values[idx]; + auto row_it = b.row_indices.begin() + start; + auto val_it = b.values.begin() + start; + for (; row_it != b.row_indices.begin() + end; ++row_it, ++val_it) { + int k = *row_it; + double b_val = *val_it; int a_start = a.col_ptr[k]; int a_end = a.col_ptr[k + 1]; - for (int a_idx = a_start; a_idx < a_end; ++a_idx) { - int m = a.row_indices[a_idx]; - double a_val = a.values[a_idx]; + auto a_row_it = a.row_indices.begin() + a_start; + auto a_val_it = a.values.begin() + a_start; + for (; a_row_it != a.row_indices.begin() + a_end; ++a_row_it, ++a_val_it) { + int m = *a_row_it; + double a_val = *a_val_it; col_map[m] += a_val * b_val; } } local_columns[j] = col_map; } + return local_columns; +} + +void DorofeevICCSMatrixProductionMPI::GatherResultsOnRoot(OutType &output, + std::vector> &local_columns, + int size, int rank) { if (rank == 0) { int col_offset = 0; - for (int j = 0; j < local_cols; j++) { - std::vector> sorted_col(local_columns[j].begin(), local_columns[j].end()); - std::ranges::sort(sorted_col); - c.col_ptr[col_offset + 1] = c.col_ptr[col_offset] + static_cast(sorted_col.size()); - for (const auto &[row, value] : sorted_col) { - c.row_indices.push_back(row); - c.values.push_back(value); - } - col_offset++; - } - + ProcessLocalResultsOnRoot(output, local_columns, col_offset); for (int process_idx = 1; process_idx < size; process_idx++) { - int num_cols = 0; - MPI_Recv(&num_cols, 1, MPI_INT, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - std::vector nnzs(num_cols); - MPI_Recv(nnzs.data(), num_cols, MPI_INT, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - int total_nnz = 0; - for (int n : nnzs) { - total_nnz += n; - } - std::vector all_rows(total_nnz); - MPI_Recv(all_rows.data(), total_nnz, MPI_INT, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - std::vector all_vals(total_nnz); - MPI_Recv(all_vals.data(), total_nnz, MPI_DOUBLE, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); - int idx = 0; - for (int n : nnzs) { - c.col_ptr[col_offset + 1] = c.col_ptr[col_offset] + n; - for (int k = 0; k < n; k++) { - c.row_indices.push_back(all_rows[idx]); - c.values.push_back(all_vals[idx]); - idx++; - } - col_offset++; - } + ReceiveResultsFromProcess(output, process_idx, col_offset); } } else { - int num_cols = static_cast(local_columns.size()); - MPI_Send(&num_cols, 1, MPI_INT, 0, 0, MPI_COMM_WORLD); - std::vector nnzs; - std::vector all_rows; - std::vector all_vals; - for (const auto &col : local_columns) { - std::vector> sorted_col(col.begin(), col.end()); - std::ranges::sort(sorted_col); - nnzs.push_back(static_cast(sorted_col.size())); - for (const auto &[row, val] : sorted_col) { - all_rows.push_back(row); - all_vals.push_back(val); - } + SendResultsToRoot(local_columns); + } +} + +void DorofeevICCSMatrixProductionMPI::ProcessLocalResultsOnRoot( + OutType &output, std::vector> &local_columns, int &col_offset) { + for (auto &local_column : local_columns) { + std::vector> sorted_col(local_column.begin(), local_column.end()); + std::ranges::sort(sorted_col); + output.col_ptr[col_offset + 1] = output.col_ptr[col_offset] + static_cast(sorted_col.size()); + for (const auto &[row, value] : sorted_col) { + output.row_indices.push_back(row); + output.values.push_back(value); } - MPI_Send(nnzs.data(), static_cast(nnzs.size()), MPI_INT, 0, 0, MPI_COMM_WORLD); - MPI_Send(all_rows.data(), static_cast(all_rows.size()), MPI_INT, 0, 0, MPI_COMM_WORLD); - MPI_Send(all_vals.data(), static_cast(all_vals.size()), MPI_DOUBLE, 0, 0, MPI_COMM_WORLD); + col_offset++; } +} +void DorofeevICCSMatrixProductionMPI::ReceiveResultsFromProcess(OutType &output, int process_idx, int &col_offset) { + int num_cols = 0; + MPI_Recv(&num_cols, 1, MPI_INT, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + std::vector nnzs(num_cols); + MPI_Recv(nnzs.data(), num_cols, MPI_INT, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + int total_nnz = 0; + for (int n : nnzs) { + total_nnz += n; + } + std::vector all_rows(total_nnz); + MPI_Recv(all_rows.data(), total_nnz, MPI_INT, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + std::vector all_vals(total_nnz); + MPI_Recv(all_vals.data(), total_nnz, MPI_DOUBLE, process_idx, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE); + auto row_it = all_rows.begin(); + auto val_it = all_vals.begin(); + for (int n : nnzs) { + output.col_ptr[col_offset + 1] = output.col_ptr[col_offset] + n; + for (int k = 0; k < n; k++) { + output.row_indices.push_back(*row_it); + output.values.push_back(*val_it); + ++row_it; + ++val_it; + } + col_offset++; + } +} + +void DorofeevICCSMatrixProductionMPI::SendResultsToRoot( + const std::vector> &local_columns) { + int num_cols = static_cast(local_columns.size()); + MPI_Send(&num_cols, 1, MPI_INT, 0, 0, MPI_COMM_WORLD); + std::vector nnzs; + std::vector all_rows; + std::vector all_vals; + for (const auto &col : local_columns) { + std::vector> sorted_col(col.begin(), col.end()); + std::ranges::sort(sorted_col); + nnzs.push_back(static_cast(sorted_col.size())); + for (const auto &[row, val] : sorted_col) { + all_rows.push_back(row); + all_vals.push_back(val); + } + } + MPI_Send(nnzs.data(), static_cast(nnzs.size()), MPI_INT, 0, 0, MPI_COMM_WORLD); + MPI_Send(all_rows.data(), static_cast(all_rows.size()), MPI_INT, 0, 0, MPI_COMM_WORLD); + MPI_Send(all_vals.data(), static_cast(all_vals.size()), MPI_DOUBLE, 0, 0, MPI_COMM_WORLD); +} + +void DorofeevICCSMatrixProductionMPI::BroadcastResults(OutType &output, int rank) { // Broadcast the result to all processes - MPI_Bcast(&c.rows, 1, MPI_INT, 0, MPI_COMM_WORLD); - MPI_Bcast(&c.cols, 1, MPI_INT, 0, MPI_COMM_WORLD); - int col_ptr_size = static_cast(c.col_ptr.size()); + MPI_Bcast(&output.rows, 1, MPI_INT, 0, MPI_COMM_WORLD); + MPI_Bcast(&output.cols, 1, MPI_INT, 0, MPI_COMM_WORLD); + int col_ptr_size = static_cast(output.col_ptr.size()); MPI_Bcast(&col_ptr_size, 1, MPI_INT, 0, MPI_COMM_WORLD); if (rank != 0) { - c.col_ptr.resize(col_ptr_size); + output.col_ptr.resize(col_ptr_size); } - MPI_Bcast(c.col_ptr.data(), col_ptr_size, MPI_INT, 0, MPI_COMM_WORLD); - int row_indices_size = static_cast(c.row_indices.size()); + MPI_Bcast(output.col_ptr.data(), col_ptr_size, MPI_INT, 0, MPI_COMM_WORLD); + int row_indices_size = static_cast(output.row_indices.size()); MPI_Bcast(&row_indices_size, 1, MPI_INT, 0, MPI_COMM_WORLD); if (rank != 0) { - c.row_indices.resize(row_indices_size); + output.row_indices.resize(row_indices_size); } - MPI_Bcast(c.row_indices.data(), row_indices_size, MPI_INT, 0, MPI_COMM_WORLD); - int values_size = static_cast(c.values.size()); + MPI_Bcast(output.row_indices.data(), row_indices_size, MPI_INT, 0, MPI_COMM_WORLD); + int values_size = static_cast(output.values.size()); MPI_Bcast(&values_size, 1, MPI_INT, 0, MPI_COMM_WORLD); if (rank != 0) { - c.values.resize(values_size); + output.values.resize(values_size); } - MPI_Bcast(c.values.data(), values_size, MPI_DOUBLE, 0, MPI_COMM_WORLD); + MPI_Bcast(output.values.data(), values_size, MPI_DOUBLE, 0, MPI_COMM_WORLD); +} + +bool DorofeevICCSMatrixProductionMPI::RunImpl() { + int rank = 0; + int size = 1; + MPI_Comm_rank(MPI_COMM_WORLD, &rank); + MPI_Comm_size(MPI_COMM_WORLD, &size); + + auto [start_col, local_cols] = ComputeLocalColumnRange(rank, size, GetInput().second.cols); + auto local_columns = ComputeLocalColumns(GetInput(), start_col, local_cols); + + GatherResultsOnRoot(GetOutput(), local_columns, size, rank); + BroadcastResults(GetOutput(), rank); return true; } From fb8788b5516d56d19b1406bda3f77c74dc9c1bef Mon Sep 17 00:00:00 2001 From: 4elodoy-Molovek Date: Sat, 3 Jan 2026 16:28:40 +0000 Subject: [PATCH 12/12] llllllllll --- .../dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp b/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp index 80e6cbc655..1c1a30c336 100644 --- a/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp +++ b/tasks/dorofeev_i_ccs_matrix_production/mpi/include/ops_mpi.hpp @@ -1,5 +1,9 @@ #pragma once +#include +#include +#include + #include "dorofeev_i_ccs_matrix_production/common/include/common.hpp" #include "task/include/task.hpp"