From ee270bfa08bc8ff4174ad12d1f82883bec2c7061 Mon Sep 17 00:00:00 2001 From: Dorian Leroy Date: Thu, 29 Jun 2023 09:42:58 +0200 Subject: [PATCH] [misc] move experimental files to branch --- examples/fibonacci/src/_pi_cffi.c | 670 -------------------- examples/fibonacci/src/llvm_add.py | 0 examples/fibonacci/src/numba_experiments.py | 81 --- examples/fibonacci/src/xp2.py | 75 --- examples/fibonacci/src/xp3.py | 21 - 5 files changed, 847 deletions(-) delete mode 100644 examples/fibonacci/src/_pi_cffi.c delete mode 100644 examples/fibonacci/src/llvm_add.py delete mode 100644 examples/fibonacci/src/numba_experiments.py delete mode 100644 examples/fibonacci/src/xp2.py delete mode 100644 examples/fibonacci/src/xp3.py diff --git a/examples/fibonacci/src/_pi_cffi.c b/examples/fibonacci/src/_pi_cffi.c deleted file mode 100644 index f4546e8..0000000 --- a/examples/fibonacci/src/_pi_cffi.c +++ /dev/null @@ -1,670 +0,0 @@ -#define _CFFI_ - -/* We try to define Py_LIMITED_API before including Python.h. - - Mess: we can only define it if Py_DEBUG, Py_TRACE_REFS and - Py_REF_DEBUG are not defined. This is a best-effort approximation: - we can learn about Py_DEBUG from pyconfig.h, but it is unclear if - the same works for the other two macros. Py_DEBUG implies them, - but not the other way around. - - The implementation is messy (issue #350): on Windows, with _MSC_VER, - we have to define Py_LIMITED_API even before including pyconfig.h. - In that case, we guess what pyconfig.h will do to the macros above, - and check our guess after the #include. - - Note that on Windows, with CPython 3.x, you need >= 3.5 and virtualenv - version >= 16.0.0. With older versions of either, you don't get a - copy of PYTHON3.DLL in the virtualenv. We can't check the version of - CPython *before* we even include pyconfig.h. ffi.set_source() puts - a ``#define _CFFI_NO_LIMITED_API'' at the start of this file if it is - running on Windows < 3.5, as an attempt at fixing it, but that's - arguably wrong because it may not be the target version of Python. - Still better than nothing I guess. As another workaround, you can - remove the definition of Py_LIMITED_API here. - - See also 'py_limited_api' in cffi/setuptools_ext.py. -*/ -#if !defined(_CFFI_USE_EMBEDDING) && !defined(Py_LIMITED_API) -# ifdef _MSC_VER -# if !defined(_DEBUG) && !defined(Py_DEBUG) && !defined(Py_TRACE_REFS) && !defined(Py_REF_DEBUG) && !defined(_CFFI_NO_LIMITED_API) -# define Py_LIMITED_API -# endif -# include - /* sanity-check: Py_LIMITED_API will cause crashes if any of these - are also defined. Normally, the Python file PC/pyconfig.h does not - cause any of these to be defined, with the exception that _DEBUG - causes Py_DEBUG. Double-check that. */ -# ifdef Py_LIMITED_API -# if defined(Py_DEBUG) -# error "pyconfig.h unexpectedly defines Py_DEBUG, but Py_LIMITED_API is set" -# endif -# if defined(Py_TRACE_REFS) -# error "pyconfig.h unexpectedly defines Py_TRACE_REFS, but Py_LIMITED_API is set" -# endif -# if defined(Py_REF_DEBUG) -# error "pyconfig.h unexpectedly defines Py_REF_DEBUG, but Py_LIMITED_API is set" -# endif -# endif -# else -# include -# if !defined(Py_DEBUG) && !defined(Py_TRACE_REFS) && !defined(Py_REF_DEBUG) && !defined(_CFFI_NO_LIMITED_API) -# define Py_LIMITED_API -# endif -# endif -#endif - -#include -#ifdef __cplusplus -extern "C" { -#endif -#include - -/* This part is from file 'cffi/parse_c_type.h'. It is copied at the - beginning of C sources generated by CFFI's ffi.set_source(). */ - -typedef void *_cffi_opcode_t; - -#define _CFFI_OP(opcode, arg) (_cffi_opcode_t)(opcode | (((uintptr_t)(arg)) << 8)) -#define _CFFI_GETOP(cffi_opcode) ((unsigned char)(uintptr_t)cffi_opcode) -#define _CFFI_GETARG(cffi_opcode) (((intptr_t)cffi_opcode) >> 8) - -#define _CFFI_OP_PRIMITIVE 1 -#define _CFFI_OP_POINTER 3 -#define _CFFI_OP_ARRAY 5 -#define _CFFI_OP_OPEN_ARRAY 7 -#define _CFFI_OP_STRUCT_UNION 9 -#define _CFFI_OP_ENUM 11 -#define _CFFI_OP_FUNCTION 13 -#define _CFFI_OP_FUNCTION_END 15 -#define _CFFI_OP_NOOP 17 -#define _CFFI_OP_BITFIELD 19 -#define _CFFI_OP_TYPENAME 21 -#define _CFFI_OP_CPYTHON_BLTN_V 23 // varargs -#define _CFFI_OP_CPYTHON_BLTN_N 25 // noargs -#define _CFFI_OP_CPYTHON_BLTN_O 27 // O (i.e. a single arg) -#define _CFFI_OP_CONSTANT 29 -#define _CFFI_OP_CONSTANT_INT 31 -#define _CFFI_OP_GLOBAL_VAR 33 -#define _CFFI_OP_DLOPEN_FUNC 35 -#define _CFFI_OP_DLOPEN_CONST 37 -#define _CFFI_OP_GLOBAL_VAR_F 39 -#define _CFFI_OP_EXTERN_PYTHON 41 - -#define _CFFI_PRIM_VOID 0 -#define _CFFI_PRIM_BOOL 1 -#define _CFFI_PRIM_CHAR 2 -#define _CFFI_PRIM_SCHAR 3 -#define _CFFI_PRIM_UCHAR 4 -#define _CFFI_PRIM_SHORT 5 -#define _CFFI_PRIM_USHORT 6 -#define _CFFI_PRIM_INT 7 -#define _CFFI_PRIM_UINT 8 -#define _CFFI_PRIM_LONG 9 -#define _CFFI_PRIM_ULONG 10 -#define _CFFI_PRIM_LONGLONG 11 -#define _CFFI_PRIM_ULONGLONG 12 -#define _CFFI_PRIM_FLOAT 13 -#define _CFFI_PRIM_DOUBLE 14 -#define _CFFI_PRIM_LONGDOUBLE 15 - -#define _CFFI_PRIM_WCHAR 16 -#define _CFFI_PRIM_INT8 17 -#define _CFFI_PRIM_UINT8 18 -#define _CFFI_PRIM_INT16 19 -#define _CFFI_PRIM_UINT16 20 -#define _CFFI_PRIM_INT32 21 -#define _CFFI_PRIM_UINT32 22 -#define _CFFI_PRIM_INT64 23 -#define _CFFI_PRIM_UINT64 24 -#define _CFFI_PRIM_INTPTR 25 -#define _CFFI_PRIM_UINTPTR 26 -#define _CFFI_PRIM_PTRDIFF 27 -#define _CFFI_PRIM_SIZE 28 -#define _CFFI_PRIM_SSIZE 29 -#define _CFFI_PRIM_INT_LEAST8 30 -#define _CFFI_PRIM_UINT_LEAST8 31 -#define _CFFI_PRIM_INT_LEAST16 32 -#define _CFFI_PRIM_UINT_LEAST16 33 -#define _CFFI_PRIM_INT_LEAST32 34 -#define _CFFI_PRIM_UINT_LEAST32 35 -#define _CFFI_PRIM_INT_LEAST64 36 -#define _CFFI_PRIM_UINT_LEAST64 37 -#define _CFFI_PRIM_INT_FAST8 38 -#define _CFFI_PRIM_UINT_FAST8 39 -#define _CFFI_PRIM_INT_FAST16 40 -#define _CFFI_PRIM_UINT_FAST16 41 -#define _CFFI_PRIM_INT_FAST32 42 -#define _CFFI_PRIM_UINT_FAST32 43 -#define _CFFI_PRIM_INT_FAST64 44 -#define _CFFI_PRIM_UINT_FAST64 45 -#define _CFFI_PRIM_INTMAX 46 -#define _CFFI_PRIM_UINTMAX 47 -#define _CFFI_PRIM_FLOATCOMPLEX 48 -#define _CFFI_PRIM_DOUBLECOMPLEX 49 -#define _CFFI_PRIM_CHAR16 50 -#define _CFFI_PRIM_CHAR32 51 - -#define _CFFI__NUM_PRIM 52 -#define _CFFI__UNKNOWN_PRIM (-1) -#define _CFFI__UNKNOWN_FLOAT_PRIM (-2) -#define _CFFI__UNKNOWN_LONG_DOUBLE (-3) - -#define _CFFI__IO_FILE_STRUCT (-1) - - -struct _cffi_global_s { - const char *name; - void *address; - _cffi_opcode_t type_op; - void *size_or_direct_fn; // OP_GLOBAL_VAR: size, or 0 if unknown - // OP_CPYTHON_BLTN_*: addr of direct function -}; - -struct _cffi_getconst_s { - unsigned long long value; - const struct _cffi_type_context_s *ctx; - int gindex; -}; - -struct _cffi_struct_union_s { - const char *name; - int type_index; // -> _cffi_types, on a OP_STRUCT_UNION - int flags; // _CFFI_F_* flags below - size_t size; - int alignment; - int first_field_index; // -> _cffi_fields array - int num_fields; -}; -#define _CFFI_F_UNION 0x01 // is a union, not a struct -#define _CFFI_F_CHECK_FIELDS 0x02 // complain if fields are not in the - // "standard layout" or if some are missing -#define _CFFI_F_PACKED 0x04 // for CHECK_FIELDS, assume a packed struct -#define _CFFI_F_EXTERNAL 0x08 // in some other ffi.include() -#define _CFFI_F_OPAQUE 0x10 // opaque - -struct _cffi_field_s { - const char *name; - size_t field_offset; - size_t field_size; - _cffi_opcode_t field_type_op; -}; - -struct _cffi_enum_s { - const char *name; - int type_index; // -> _cffi_types, on a OP_ENUM - int type_prim; // _CFFI_PRIM_xxx - const char *enumerators; // comma-delimited string -}; - -struct _cffi_typename_s { - const char *name; - int type_index; /* if opaque, points to a possibly artificial - OP_STRUCT which is itself opaque */ -}; - -struct _cffi_type_context_s { - _cffi_opcode_t *types; - const struct _cffi_global_s *globals; - const struct _cffi_field_s *fields; - const struct _cffi_struct_union_s *struct_unions; - const struct _cffi_enum_s *enums; - const struct _cffi_typename_s *typenames; - int num_globals; - int num_struct_unions; - int num_enums; - int num_typenames; - const char *const *includes; - int num_types; - int flags; /* future extension */ -}; - -struct _cffi_parse_info_s { - const struct _cffi_type_context_s *ctx; - _cffi_opcode_t *output; - unsigned int output_size; - size_t error_location; - const char *error_message; -}; - -struct _cffi_externpy_s { - const char *name; - size_t size_of_result; - void *reserved1, *reserved2; -}; - -#ifdef _CFFI_INTERNAL -static int parse_c_type(struct _cffi_parse_info_s *info, const char *input); -static int search_in_globals(const struct _cffi_type_context_s *ctx, - const char *search, size_t search_len); -static int search_in_struct_unions(const struct _cffi_type_context_s *ctx, - const char *search, size_t search_len); -#endif - -/* this block of #ifs should be kept exactly identical between - c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py - and cffi/_cffi_include.h */ -#if defined(_MSC_VER) -# include /* for alloca() */ -# if _MSC_VER < 1600 /* MSVC < 2010 */ - typedef __int8 int8_t; - typedef __int16 int16_t; - typedef __int32 int32_t; - typedef __int64 int64_t; - typedef unsigned __int8 uint8_t; - typedef unsigned __int16 uint16_t; - typedef unsigned __int32 uint32_t; - typedef unsigned __int64 uint64_t; - typedef __int8 int_least8_t; - typedef __int16 int_least16_t; - typedef __int32 int_least32_t; - typedef __int64 int_least64_t; - typedef unsigned __int8 uint_least8_t; - typedef unsigned __int16 uint_least16_t; - typedef unsigned __int32 uint_least32_t; - typedef unsigned __int64 uint_least64_t; - typedef __int8 int_fast8_t; - typedef __int16 int_fast16_t; - typedef __int32 int_fast32_t; - typedef __int64 int_fast64_t; - typedef unsigned __int8 uint_fast8_t; - typedef unsigned __int16 uint_fast16_t; - typedef unsigned __int32 uint_fast32_t; - typedef unsigned __int64 uint_fast64_t; - typedef __int64 intmax_t; - typedef unsigned __int64 uintmax_t; -# else -# include -# endif -# if _MSC_VER < 1800 /* MSVC < 2013 */ -# ifndef __cplusplus - typedef unsigned char _Bool; -# endif -# endif -#else -# include -# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux) -# include -# endif -#endif - -#ifdef __GNUC__ -# define _CFFI_UNUSED_FN __attribute__((unused)) -#else -# define _CFFI_UNUSED_FN /* nothing */ -#endif - -#ifdef __cplusplus -# ifndef _Bool - typedef bool _Bool; /* semi-hackish: C++ has no _Bool; bool is builtin */ -# endif -#endif - -/********** CPython-specific section **********/ -#ifndef PYPY_VERSION - - -#if PY_MAJOR_VERSION >= 3 -# define PyInt_FromLong PyLong_FromLong -#endif - -#define _cffi_from_c_double PyFloat_FromDouble -#define _cffi_from_c_float PyFloat_FromDouble -#define _cffi_from_c_long PyInt_FromLong -#define _cffi_from_c_ulong PyLong_FromUnsignedLong -#define _cffi_from_c_longlong PyLong_FromLongLong -#define _cffi_from_c_ulonglong PyLong_FromUnsignedLongLong -#define _cffi_from_c__Bool PyBool_FromLong - -#define _cffi_to_c_double PyFloat_AsDouble -#define _cffi_to_c_float PyFloat_AsDouble - -#define _cffi_from_c_int(x, type) \ - (((type)-1) > 0 ? /* unsigned */ \ - (sizeof(type) < sizeof(long) ? \ - PyInt_FromLong((long)x) : \ - sizeof(type) == sizeof(long) ? \ - PyLong_FromUnsignedLong((unsigned long)x) : \ - PyLong_FromUnsignedLongLong((unsigned long long)x)) : \ - (sizeof(type) <= sizeof(long) ? \ - PyInt_FromLong((long)x) : \ - PyLong_FromLongLong((long long)x))) - -#define _cffi_to_c_int(o, type) \ - ((type)( \ - sizeof(type) == 1 ? (((type)-1) > 0 ? (type)_cffi_to_c_u8(o) \ - : (type)_cffi_to_c_i8(o)) : \ - sizeof(type) == 2 ? (((type)-1) > 0 ? (type)_cffi_to_c_u16(o) \ - : (type)_cffi_to_c_i16(o)) : \ - sizeof(type) == 4 ? (((type)-1) > 0 ? (type)_cffi_to_c_u32(o) \ - : (type)_cffi_to_c_i32(o)) : \ - sizeof(type) == 8 ? (((type)-1) > 0 ? (type)_cffi_to_c_u64(o) \ - : (type)_cffi_to_c_i64(o)) : \ - (Py_FatalError("unsupported size for type " #type), (type)0))) - -#define _cffi_to_c_i8 \ - ((int(*)(PyObject *))_cffi_exports[1]) -#define _cffi_to_c_u8 \ - ((int(*)(PyObject *))_cffi_exports[2]) -#define _cffi_to_c_i16 \ - ((int(*)(PyObject *))_cffi_exports[3]) -#define _cffi_to_c_u16 \ - ((int(*)(PyObject *))_cffi_exports[4]) -#define _cffi_to_c_i32 \ - ((int(*)(PyObject *))_cffi_exports[5]) -#define _cffi_to_c_u32 \ - ((unsigned int(*)(PyObject *))_cffi_exports[6]) -#define _cffi_to_c_i64 \ - ((long long(*)(PyObject *))_cffi_exports[7]) -#define _cffi_to_c_u64 \ - ((unsigned long long(*)(PyObject *))_cffi_exports[8]) -#define _cffi_to_c_char \ - ((int(*)(PyObject *))_cffi_exports[9]) -#define _cffi_from_c_pointer \ - ((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[10]) -#define _cffi_to_c_pointer \ - ((char *(*)(PyObject *, struct _cffi_ctypedescr *))_cffi_exports[11]) -#define _cffi_get_struct_layout \ - not used any more -#define _cffi_restore_errno \ - ((void(*)(void))_cffi_exports[13]) -#define _cffi_save_errno \ - ((void(*)(void))_cffi_exports[14]) -#define _cffi_from_c_char \ - ((PyObject *(*)(char))_cffi_exports[15]) -#define _cffi_from_c_deref \ - ((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[16]) -#define _cffi_to_c \ - ((int(*)(char *, struct _cffi_ctypedescr *, PyObject *))_cffi_exports[17]) -#define _cffi_from_c_struct \ - ((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[18]) -#define _cffi_to_c_wchar_t \ - ((_cffi_wchar_t(*)(PyObject *))_cffi_exports[19]) -#define _cffi_from_c_wchar_t \ - ((PyObject *(*)(_cffi_wchar_t))_cffi_exports[20]) -#define _cffi_to_c_long_double \ - ((long double(*)(PyObject *))_cffi_exports[21]) -#define _cffi_to_c__Bool \ - ((_Bool(*)(PyObject *))_cffi_exports[22]) -#define _cffi_prepare_pointer_call_argument \ - ((Py_ssize_t(*)(struct _cffi_ctypedescr *, \ - PyObject *, char **))_cffi_exports[23]) -#define _cffi_convert_array_from_object \ - ((int(*)(char *, struct _cffi_ctypedescr *, PyObject *))_cffi_exports[24]) -#define _CFFI_CPIDX 25 -#define _cffi_call_python \ - ((void(*)(struct _cffi_externpy_s *, char *))_cffi_exports[_CFFI_CPIDX]) -#define _cffi_to_c_wchar3216_t \ - ((int(*)(PyObject *))_cffi_exports[26]) -#define _cffi_from_c_wchar3216_t \ - ((PyObject *(*)(int))_cffi_exports[27]) -#define _CFFI_NUM_EXPORTS 28 - -struct _cffi_ctypedescr; - -static void *_cffi_exports[_CFFI_NUM_EXPORTS]; - -#define _cffi_type(index) ( \ - assert((((uintptr_t)_cffi_types[index]) & 1) == 0), \ - (struct _cffi_ctypedescr *)_cffi_types[index]) - -static PyObject *_cffi_init(const char *module_name, Py_ssize_t version, - const struct _cffi_type_context_s *ctx) -{ - PyObject *module, *o_arg, *new_module; - void *raw[] = { - (void *)module_name, - (void *)version, - (void *)_cffi_exports, - (void *)ctx, - }; - - module = PyImport_ImportModule("_cffi_backend"); - if (module == NULL) - goto failure; - - o_arg = PyLong_FromVoidPtr((void *)raw); - if (o_arg == NULL) - goto failure; - - new_module = PyObject_CallMethod( - module, (char *)"_init_cffi_1_0_external_module", (char *)"O", o_arg); - - Py_DECREF(o_arg); - Py_DECREF(module); - return new_module; - - failure: - Py_XDECREF(module); - return NULL; -} - - -#ifdef HAVE_WCHAR_H -typedef wchar_t _cffi_wchar_t; -#else -typedef uint16_t _cffi_wchar_t; /* same random pick as _cffi_backend.c */ -#endif - -_CFFI_UNUSED_FN static uint16_t _cffi_to_c_char16_t(PyObject *o) -{ - if (sizeof(_cffi_wchar_t) == 2) - return (uint16_t)_cffi_to_c_wchar_t(o); - else - return (uint16_t)_cffi_to_c_wchar3216_t(o); -} - -_CFFI_UNUSED_FN static PyObject *_cffi_from_c_char16_t(uint16_t x) -{ - if (sizeof(_cffi_wchar_t) == 2) - return _cffi_from_c_wchar_t((_cffi_wchar_t)x); - else - return _cffi_from_c_wchar3216_t((int)x); -} - -_CFFI_UNUSED_FN static int _cffi_to_c_char32_t(PyObject *o) -{ - if (sizeof(_cffi_wchar_t) == 4) - return (int)_cffi_to_c_wchar_t(o); - else - return (int)_cffi_to_c_wchar3216_t(o); -} - -_CFFI_UNUSED_FN static PyObject *_cffi_from_c_char32_t(unsigned int x) -{ - if (sizeof(_cffi_wchar_t) == 4) - return _cffi_from_c_wchar_t((_cffi_wchar_t)x); - else - return _cffi_from_c_wchar3216_t((int)x); -} - -union _cffi_union_alignment_u { - unsigned char m_char; - unsigned short m_short; - unsigned int m_int; - unsigned long m_long; - unsigned long long m_longlong; - float m_float; - double m_double; - long double m_longdouble; -}; - -struct _cffi_freeme_s { - struct _cffi_freeme_s *next; - union _cffi_union_alignment_u alignment; -}; - -_CFFI_UNUSED_FN static int -_cffi_convert_array_argument(struct _cffi_ctypedescr *ctptr, PyObject *arg, - char **output_data, Py_ssize_t datasize, - struct _cffi_freeme_s **freeme) -{ - char *p; - if (datasize < 0) - return -1; - - p = *output_data; - if (p == NULL) { - struct _cffi_freeme_s *fp = (struct _cffi_freeme_s *)PyObject_Malloc( - offsetof(struct _cffi_freeme_s, alignment) + (size_t)datasize); - if (fp == NULL) - return -1; - fp->next = *freeme; - *freeme = fp; - p = *output_data = (char *)&fp->alignment; - } - memset((void *)p, 0, (size_t)datasize); - return _cffi_convert_array_from_object(p, ctptr, arg); -} - -_CFFI_UNUSED_FN static void -_cffi_free_array_arguments(struct _cffi_freeme_s *freeme) -{ - do { - void *p = (void *)freeme; - freeme = freeme->next; - PyObject_Free(p); - } while (freeme != NULL); -} - -/********** end CPython-specific section **********/ -#else -_CFFI_UNUSED_FN -static void (*_cffi_call_python_org)(struct _cffi_externpy_s *, char *); -# define _cffi_call_python _cffi_call_python_org -#endif - - -#define _cffi_array_len(array) (sizeof(array) / sizeof((array)[0])) - -#define _cffi_prim_int(size, sign) \ - ((size) == 1 ? ((sign) ? _CFFI_PRIM_INT8 : _CFFI_PRIM_UINT8) : \ - (size) == 2 ? ((sign) ? _CFFI_PRIM_INT16 : _CFFI_PRIM_UINT16) : \ - (size) == 4 ? ((sign) ? _CFFI_PRIM_INT32 : _CFFI_PRIM_UINT32) : \ - (size) == 8 ? ((sign) ? _CFFI_PRIM_INT64 : _CFFI_PRIM_UINT64) : \ - _CFFI__UNKNOWN_PRIM) - -#define _cffi_prim_float(size) \ - ((size) == sizeof(float) ? _CFFI_PRIM_FLOAT : \ - (size) == sizeof(double) ? _CFFI_PRIM_DOUBLE : \ - (size) == sizeof(long double) ? _CFFI__UNKNOWN_LONG_DOUBLE : \ - _CFFI__UNKNOWN_FLOAT_PRIM) - -#define _cffi_check_int(got, got_nonpos, expected) \ - ((got_nonpos) == (expected <= 0) && \ - (got) == (unsigned long long)expected) - -#ifdef MS_WIN32 -# define _cffi_stdcall __stdcall -#else -# define _cffi_stdcall /* nothing */ -#endif - -#ifdef __cplusplus -} -#endif - -/************************************************************/ - - - #include "../lib/python3.8/site-packages/scihook/include/SciHook.h" // the C header of the library - - -/************************************************************/ - -static void *_cffi_types[] = { -/* 0 */ _CFFI_OP(_CFFI_OP_FUNCTION, 3), // float()(int) -/* 1 */ _CFFI_OP(_CFFI_OP_PRIMITIVE, 7), // int -/* 2 */ _CFFI_OP(_CFFI_OP_FUNCTION_END, 0), -/* 3 */ _CFFI_OP(_CFFI_OP_PRIMITIVE, 13), // float -}; - -static float _cffi_d_pi_approx(int x0) -{ - return pi_approx(x0); -} -#ifndef PYPY_VERSION -static PyObject * -_cffi_f_pi_approx(PyObject *self, PyObject *arg0) -{ - int x0; - float result; - PyObject *pyresult; - - x0 = _cffi_to_c_int(arg0, int); - if (x0 == (int)-1 && PyErr_Occurred()) - return NULL; - - Py_BEGIN_ALLOW_THREADS - _cffi_restore_errno(); - { result = pi_approx(x0); } - _cffi_save_errno(); - Py_END_ALLOW_THREADS - - (void)self; /* unused */ - pyresult = _cffi_from_c_float(result); - return pyresult; -} -#else -# define _cffi_f_pi_approx _cffi_d_pi_approx -#endif - -static const struct _cffi_global_s _cffi_globals[] = { - { "pi_approx", (void *)_cffi_f_pi_approx, _CFFI_OP(_CFFI_OP_CPYTHON_BLTN_O, 0), (void *)_cffi_d_pi_approx }, -}; - -static const struct _cffi_type_context_s _cffi_type_context = { - _cffi_types, - _cffi_globals, - NULL, /* no fields */ - NULL, /* no struct_unions */ - NULL, /* no enums */ - NULL, /* no typenames */ - 1, /* num_globals */ - 0, /* num_struct_unions */ - 0, /* num_enums */ - 0, /* num_typenames */ - NULL, /* no includes */ - 4, /* num_types */ - 0, /* flags */ -}; - -#ifdef __GNUC__ -# pragma GCC visibility push(default) /* for -fvisibility= */ -#endif - -#ifdef PYPY_VERSION -PyMODINIT_FUNC -_cffi_pypyinit__pi_cffi(const void *p[]) -{ - p[0] = (const void *)0x2601; - p[1] = &_cffi_type_context; -#if PY_MAJOR_VERSION >= 3 - return NULL; -#endif -} -# ifdef _MSC_VER - PyMODINIT_FUNC -# if PY_MAJOR_VERSION >= 3 - PyInit__pi_cffi(void) { return NULL; } -# else - init_pi_cffi(void) { } -# endif -# endif -#elif PY_MAJOR_VERSION >= 3 -PyMODINIT_FUNC -PyInit__pi_cffi(void) -{ - return _cffi_init("_pi_cffi", 0x2601, &_cffi_type_context); -} -#else -PyMODINIT_FUNC -init_pi_cffi(void) -{ - _cffi_init("_pi_cffi", 0x2601, &_cffi_type_context); -} -#endif - -#ifdef __GNUC__ -# pragma GCC visibility pop -#endif diff --git a/examples/fibonacci/src/llvm_add.py b/examples/fibonacci/src/llvm_add.py deleted file mode 100644 index e69de29..0000000 diff --git a/examples/fibonacci/src/numba_experiments.py b/examples/fibonacci/src/numba_experiments.py deleted file mode 100644 index e5d85d2..0000000 --- a/examples/fibonacci/src/numba_experiments.py +++ /dev/null @@ -1,81 +0,0 @@ -from numba import types, njit -from numba.experimental.structref import _Utils, imputils -from numba.extending import intrinsic -from numba.core import cgutils - -@intrinsic -def _struct_from_meminfo(typingctx, struct_type, meminfo): - inst_type = struct_type.instance_type - - def codegen(context, builder, sig, args): - _, meminfo = args - - st = cgutils.create_struct_proxy(inst_type)(context, builder) - st.meminfo = meminfo - #NOTE: Fixes sefault but not sure about it's lifecycle (i.e. watch out for memleaks) - context.nrt.incref(builder, types.MemInfoPointer(types.voidptr), meminfo) - - return st._getvalue() - - sig = inst_type(struct_type, types.MemInfoPointer(types.voidptr)) - return sig, codegen - -@intrinsic -def _meminfo_from_struct(typingctx, val): - def codegen(context, builder, sig, args): - [td] = sig.args - [d] = args - - ctor = cgutils.create_struct_proxy(td) - dstruct = ctor(context, builder, value=d) - meminfo = dstruct.meminfo - context.nrt.incref(builder, types.MemInfoPointer(types.voidptr), meminfo) - # Returns the plain MemInfo - return meminfo - - sig = meminfo_type(val,) - return sig, codegen - -@intrinsic -def _cast_structref(typingctx, cast_type_ref, inst_type): - # inst_type = struct_type.instance_type - cast_type = cast_type_ref.instance_type - def codegen(context, builder, sig, args): - # [td] = sig.args - _,d = args - - ctor = cgutils.create_struct_proxy(inst_type) - dstruct = ctor(context, builder, value=d) - meminfo = dstruct.meminfo - context.nrt.incref(builder, types.MemInfoPointer(types.voidptr), meminfo) - - st = cgutils.create_struct_proxy(cast_type)(context, builder) - st.meminfo = meminfo - - return st._getvalue() - sig = cast_type(cast_type_ref, inst_type) - return sig, codegen - -class FibonacciExecutionContextType(types.Type): - def __init__(self): - super(FibonacciExecutionContextType, self).__init__(name='FibonacciExecutionContext') - -from numba.typed import Dict - -@njit -def foo(d): - meminfo = d[0] - struct = _struct_from_meminfo(None, FibonacciExecutionContextType, meminfo) - # print(struct.n) - -from scihook import register - -@register("Iterate") -def log(ctx): - d = Dict.empty(types.i8,types.MemInfoPointer(types.voidptr)) - from numba.core.runtime import rtsys - meminfo = rtsys.meminfo_new(ctx._pointer, ctx) - d[0] = meminfo - foo(d) - -breakpoint() \ No newline at end of file diff --git a/examples/fibonacci/src/xp2.py b/examples/fibonacci/src/xp2.py deleted file mode 100644 index ee9f0cd..0000000 --- a/examples/fibonacci/src/xp2.py +++ /dev/null @@ -1,75 +0,0 @@ -from numba.core.typing import cffi_utils -from numba.core import types, typing -from numba import cfunc, carray, njit -from numba.np import numpy_support - -import numpy as np - -c_source = """ -typedef struct _big_struct { - int i1; - float f2; - double d3; - float af4[9]; -} big_struct; -typedef struct _error { - int bits:4; -} error; -typedef double (*myfunc)(big_struct*, size_t); -""" - -def get_ffi(src=c_source): - from cffi import FFI - - ffi = FFI() - ffi.cdef(src) - return ffi - -def test_cfunc_callback(): - ffi = get_ffi() - breakpoint() - big_struct = ffi.typeof('big_struct') - nb_big_struct = cffi_utils.map_type(big_struct, use_record_dtype=True) - sig = cffi_utils.map_type(ffi.typeof('myfunc'), use_record_dtype=True) - - @njit - def calc(base): - tmp = 0 - for i in range(base.size): - elem = base[i] - tmp += elem.i1 * elem.f2 / elem.d3 - tmp += base[i].af4.sum() - return tmp - - @cfunc(sig) - def foo(ptr, n): - base = carray(ptr, n) - return calc(base) - - # Make data - mydata = ffi.new('big_struct[3]') - ptr = ffi.cast('big_struct*', mydata) - for i in range(3): - ptr[i].i1 = i * 123 - ptr[i].f2 = i * 213 - ptr[i].d3 = (1 + i) * 213 - for j in range(9): - ptr[i].af4[j] = i * 10 + j - - # Address of my data - addr = int(ffi.cast('size_t', ptr)) - got = foo.ctypes(addr, 3) - - # Make numpy array from the cffi buffer - array = np.ndarray( - buffer=ffi.buffer(mydata), - dtype=numpy_support.as_dtype(nb_big_struct), - shape=3, - ) - expect = calc(array) - print(got) - print("==================") - print(expect) - -if __name__ == "__main__": - test_cfunc_callback() \ No newline at end of file diff --git a/examples/fibonacci/src/xp3.py b/examples/fibonacci/src/xp3.py deleted file mode 100644 index 910a8bc..0000000 --- a/examples/fibonacci/src/xp3.py +++ /dev/null @@ -1,21 +0,0 @@ -from cffi import FFI -ffibuilder = FFI() - -# cdef() expects a single string declaring the C types, functions and -# globals needed to use the shared object. It must be in valid C syntax. -ffibuilder.cdef(""" - float pi_approx(int n); -""") - -# set_source() gives the name of the python extension module to -# produce, and some C source code as a string. This C code needs -# to make the declarated functions, types and globals available, -# so it is often just the "#include". -ffibuilder.set_source("_pi_cffi", -""" - #include "../lib/python3.8/site-packages/scihook/include/SciHook.h" // the C header of the library -""", - libraries=['scihook']) # library name, for the linker - -if __name__ == "__main__": - ffibuilder.compile(verbose=True) \ No newline at end of file