xt_gpu.c File Reference

#include <string.h>
#include "core/core.h"
#include "core/ppm_xfuncs.h"
#include "xt_gpu.h"

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Macros
#define	STR(s)   #s
#define	CHECK_FOR_HOST_MEM(type)

Functions
static void *	default_malloc (size_t alloc_size, enum xt_memtype memtype)
static void	default_free (void *ptr, enum xt_memtype memtype)
static void	default_memcpy (void *dst, void const *src, size_t buffer_size, enum xt_memtype dst_memtype, enum xt_memtype src_memtype)
static enum xt_memtype	default_get_memtype (const void *ptr)
static int	default_instr_push (char const *)
static int	default_instr_pop (void)
void	xt_gpu_init (void)
static int	default_instr_push (char const *XT_UNUSED(name))
void *	xt_gpu_malloc (size_t alloc_size, enum xt_memtype memtype)
void	xt_gpu_free (void *ptr, enum xt_memtype memtype)
void	xt_gpu_memcpy (void *dst, void const *src, size_t buffer_size, enum xt_memtype dst_memtype, enum xt_memtype src_memtype)
enum xt_memtype	xt_gpu_get_memtype (const void *ptr)
int	xt_gpu_instr_push (char const *name)
int	xt_gpu_instr_pop (void)

Variables
static const char	filename [] = "xt_gpu.c"
static struct xt_gpu_vtable	vtable

Detailed Description

Copyright

Copyright (C) 2022 Jörg Behrens behre.nosp@m.ns@d.nosp@m.krz.d.nosp@m.e Moritz Hanke hanke.nosp@m.@dkr.nosp@m.z.de Thomas Jahns jahns.nosp@m.@dkr.nosp@m.z.de

Author

Jörg Behrens behre.nosp@m.ns@d.nosp@m.krz.d.nosp@m.e Moritz Hanke hanke.nosp@m.@dkr.nosp@m.z.de Thomas Jahns jahns.nosp@m.@dkr.nosp@m.z.de

Definition in file xt_gpu.c.

Macro Definition Documentation

CHECK_FOR_HOST_MEM

#define CHECK_FOR_HOST_MEM

(

type

)

Value:

  do {                                                       \
    if (type != XT_MEMTYPE_HOST) {                           \
      Xt_abort(                                              \
        Xt_default_comm,                                     \
        "ERROR(" STR(__func__) "): unsupported memory type", \
        filename, __LINE__);                                 \
    }                                                        \
  } while (0)

Definition at line 140 of file xt_gpu.c.

STR

#define STR

(

s

)

#s

Definition at line 139 of file xt_gpu.c.

Function Documentation

default_free()

static void default_free ( void *  ptr, enum xt_memtype  memtype  )

static

Definition at line 157 of file xt_gpu.c.

default_get_memtype()

static enum xt_memtype default_get_memtype ( const void *  ptr )

static

Definition at line 174 of file xt_gpu.c.

default_instr_pop()

static int default_instr_pop ( void  )

static

Definition at line 181 of file xt_gpu.c.

default_instr_push() [1/2]

static int default_instr_push ( char const *  )

static

default_instr_push() [2/2]

static int default_instr_push ( char const *  XT_UNUSEDname )

static

Definition at line 180 of file xt_gpu.c.

default_malloc()

static void * default_malloc ( size_t  alloc_size, enum xt_memtype  memtype  )

static

Definition at line 150 of file xt_gpu.c.

default_memcpy()

static void default_memcpy ( void *  dst, void const *  src, size_t  buffer_size, enum xt_memtype  dst_memtype, enum xt_memtype  src_memtype  )

static

Definition at line 164 of file xt_gpu.c.

xt_gpu_free()

void xt_gpu_free	(	void *	ptr,
		enum xt_memtype	memtype
	)

frees memory that was previously allocated using xt_gpu_malloc

Parameters

[in]	ptr	pointer to be freed
[in]	memtype	type memory associated to ptr

Definition at line 187 of file xt_gpu.c.

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xt_gpu_get_memtype()

enum xt_memtype xt_gpu_get_memtype

(

const void *

ptr

)

determines the type of memory associated with the provided pointer

Parameters

[in]

ptr

pointer to be checked

Returns

type of memory associated to ptr

Definition at line 197 of file xt_gpu.c.

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xt_gpu_init()

void xt_gpu_init

(

void

)

initialises xt_gpu

Remarks

if yaxt was compiled with CUDA support, xt_gpu will try to use it

Examples

test_ddt.c.

Definition at line 126 of file xt_gpu.c.

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xt_gpu_instr_pop()

int xt_gpu_instr_pop

(

void

)

Definition at line 205 of file xt_gpu.c.

xt_gpu_instr_push()

int xt_gpu_instr_push

(

char const *

name

)

Definition at line 201 of file xt_gpu.c.

xt_gpu_malloc()

void * xt_gpu_malloc	(	size_t	alloc_size,
		enum xt_memtype	memtype
	)

allocates memory of the specified type

Parameters

[in]	alloc_size	number of bytes to be allocated
[in]	memtype	type of memory to be allocated

Returns

allocated memory of specified size and memory type
NULL, if allocation failed

Definition at line 183 of file xt_gpu.c.

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xt_gpu_memcpy()

void xt_gpu_memcpy	(	void *	dst,
		void const *	src,
		size_t	buffer_size,
		enum xt_memtype	dst_memtype,
		enum xt_memtype	src_memtype
	)

copies memory from src to dst

Parameters

[in]	dst	pointer to destination memory
[in]	src	pointer to source memory
[in]	buffer_size	number of bytes to be copied
[in]	dst_memtype	type of destination memory
[in]	src_memtype	type of source memory

Definition at line 191 of file xt_gpu.c.

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Variable Documentation

filename

const char filename[] = "xt_gpu.c"

static

Definition at line 57 of file xt_gpu.c.

vtable

struct xt_gpu_vtable vtable

static

Initial value:

= {
  .Malloc      = default_malloc,
  .Free        = default_free,
  .Memcpy      = default_memcpy,
  .Get_memtype = default_get_memtype,
  .Instr_push  = default_instr_push,
  .Instr_pop   = default_instr_pop,
}

Definition at line 75 of file xt_gpu.c.