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feat(cell): Implement vectorized access for global to register copy. #30

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merged 4 commits into from
Dec 31, 2024
Merged

feat(cell): Implement vectorized access for global to register copy. #30

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778ab97
Implement vectorize copy from global to register.
KuangjuX Dec 31, 2024
f6bebc9
Add Vectorize struct brief.
KuangjuX Dec 31, 2024
08a4a03
fix empty line.
KuangjuX Dec 31, 2024
4474227
fix inline function define.
KuangjuX Dec 31, 2024
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20 changes: 20 additions & 0 deletions .vscode/settings.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
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"*.tcc": "cpp",
"optional": "cpp",
"ratio": "cpp",
"system_error": "cpp",
"array": "cpp",
"functional": "cpp",
"tuple": "cpp",
"type_traits": "cpp",
"utility": "cpp",
"variant": "cpp",
"compare": "cpp",
"concepts": "cpp",
"random": "cpp"
}
}
53 changes: 21 additions & 32 deletions include/cell/copy/global_to_register.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#pragma once

#include "cell/copy/constants.hpp"
#include "cell/copy/vectorize.hpp"
#include "cell/copy/warp.hpp"
#include "traits/base.hpp"
#include "types/mod.hpp"
Expand All @@ -29,14 +30,11 @@ struct GlobalToRegMatLoader<Global_, BaseTile_, tl::Layout::kRowMajor> {
static constexpr int kStride = Global::kRowStride;

DEVICE void operator()(const DType* src, BaseTile& dst) {
dst(0, 0) = src[0 * kStride + 0];
dst(0, 1) = src[0 * kStride + 1];
dst(1, 0) = src[0 * kStride + 8];
dst(1, 1) = src[0 * kStride + 9];
dst(0, 2) = src[8 * kStride + 0];
dst(0, 3) = src[8 * kStride + 1];
dst(1, 2) = src[8 * kStride + 8];
dst(1, 3) = src[8 * kStride + 9];
Vectorize<DType, 2> vectorize;
vectorize.copy(src + 0 * kStride + 0, &dst(0, 0));
vectorize.copy(src + 0 * kStride + 8, &dst(1, 0));
vectorize.copy(src + 8 * kStride + 0, &dst(0, 2));
vectorize.copy(src + 8 * kStride + 8, &dst(1, 2));
}
};

Expand All @@ -49,14 +47,11 @@ struct GlobalToRegMatLoader<Global_, BaseTile_, tl::Layout::kColMajor> {
static constexpr int kStride = Global::kColStride;

DEVICE void operator()(const DType* src, BaseTile& dst) {
dst(0, 0) = src[0 * kStride + 0];
dst(1, 0) = src[0 * kStride + 1];
dst(0, 1) = src[0 * kStride + 8];
dst(1, 1) = src[0 * kStride + 9];
dst(2, 0) = src[8 * kStride + 0];
dst(3, 0) = src[8 * kStride + 1];
dst(2, 1) = src[8 * kStride + 8];
dst(3, 1) = src[8 * kStride + 9];
Vectorize<DType, 2> vectorize;
vectorize.copy(src + 0 * kStride + 0, &dst(0, 0));
vectorize.copy(src + 0 * kStride + 8, &dst(0, 1));
vectorize.copy(src + 8 * kStride + 0, &dst(2, 0));
vectorize.copy(src + 8 * kStride + 8, &dst(2, 1));
}
};

Expand Down Expand Up @@ -84,14 +79,11 @@ struct RegToGlobalMatStorer<Global_, BaseTile_, tl::Layout::kRowMajor> {
static constexpr int kStride = Global::kRowStride;

DEVICE void operator()(const BaseTile& src, DType* dst) {
dst[0 * kStride + 0] = src(0, 0);
dst[0 * kStride + 1] = src(0, 1);
dst[0 * kStride + 8] = src(1, 0);
dst[0 * kStride + 9] = src(1, 1);
dst[8 * kStride + 0] = src(0, 2);
dst[8 * kStride + 1] = src(0, 3);
dst[8 * kStride + 8] = src(1, 2);
dst[8 * kStride + 9] = src(1, 3);
Vectorize<DType, 2> vectorize;
vectorize.copy(&src(0, 0), dst + 0 * kStride + 0);
vectorize.copy(&src(1, 0), dst + 0 * kStride + 8);
vectorize.copy(&src(0, 2), dst + 8 * kStride + 0);
vectorize.copy(&src(1, 2), dst + 8 * kStride + 8);
}
};

Expand All @@ -104,14 +96,11 @@ struct RegToGlobalMatStorer<Global_, BaseTile_, tl::Layout::kColMajor> {
static constexpr int kStride = Global::kColStride;

DEVICE void operator()(const BaseTile& src, DType* dst) {
dst[0 * kStride + 0] = src(0, 0);
dst[0 * kStride + 1] = src(1, 0);
dst[0 * kStride + 8] = src(0, 1);
dst[0 * kStride + 9] = src(1, 1);
dst[8 * kStride + 0] = src(2, 0);
dst[8 * kStride + 1] = src(3, 0);
dst[8 * kStride + 8] = src(2, 1);
dst[8 * kStride + 9] = src(3, 1);
Vectorize<DType, 2> vectorize;
vectorize.copy(&src(0, 0), dst + 0 * kStride + 0);
vectorize.copy(&src(0, 1), dst + 0 * kStride + 8);
vectorize.copy(&src(2, 0), dst + 8 * kStride + 0);
vectorize.copy(&src(2, 1), dst + 8 * kStride + 8);
}
};

Expand Down
1 change: 1 addition & 0 deletions include/cell/copy/mod.hpp
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Expand Up @@ -9,4 +9,5 @@
#include "cell/copy/global_to_shared.hpp"
#include "cell/copy/register.hpp"
#include "cell/copy/shared_to_register.hpp"
#include "cell/copy/vectorize.hpp"
#include "cell/copy/warp.hpp"
80 changes: 80 additions & 0 deletions include/cell/copy/vectorize.hpp
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

#pragma once

#include "config.hpp"
#include "cuda_utils.hpp"

#include <cutlass/half.h>

namespace tilefusion::cell::copy {

/**
* @brief Vectorize a data type.
*
* @tparam Element Data type.
* @tparam kVecNums Number of vecotrized elements.
*/
template <typename Element, const int kVecNums>
struct Vectorize {
using UnVecType = Element;
using VecType = Element;
static constexpr int vectorize_nums = kVecNums;

/**
* @brief Copy data from unvectorized to vectorized.
*
* @param src Source data.
* @param dst Destination data.
*/
DEVICE void copy(const UnVecType* src, UnVecType* dst) {
const VecType* src_vec = reinterpret_cast<const VecType*>(src);
VecType* dst_vec = reinterpret_cast<VecType*>(dst);
*dst_vec = *src_vec;
}
};

template <>
struct Vectorize<__half, 2> {
using UnVecType = __half;
using VecType = __half2;
static constexpr int vectorize_nums = 2;
static constexpr int vectorize_bits = 32;

DEVICE void copy(const __half* src, __half* dst) {
const __half2* src_vec = reinterpret_cast<const __half2*>(src);
__half2* dst_vec = reinterpret_cast<__half2*>(dst);
*dst_vec = *src_vec;
}
};

template <>
struct Vectorize<cutlass::half_t, 2> {
using UnVecType = cutlass::half_t;
using VecType = __half2;
static constexpr int vectorize_nums = 2;
static constexpr int vectorize_bits = 32;

DEVICE void copy(const cutlass::half_t* src, cutlass::half_t* dst) {
const __half2* src_vec = reinterpret_cast<const __half2*>(src);
__half2* dst_vec = reinterpret_cast<__half2*>(dst);
*dst_vec = *src_vec;
}
};

template <>
struct Vectorize<float, 2> {
using UnVecType = float;
using VecType = float2;
static constexpr int vectorize_nums = 2;
static constexpr int vectorize_bits = 64;

DEVICE void copy(const float* src, float* dst) {
const float2* src_vec = reinterpret_cast<const float2*>(src);
float2* dst_vec = reinterpret_cast<float2*>(dst);
*dst_vec = *src_vec;
}
};

} // namespace tilefusion::cell::copy
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