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#include "torch/utils.h"
#include "THC.h"
#include "THFile.h"
#include "luaT.h"
/* everything is as the generic Storage.c, except few things (see below) */
#define real float
#define Real Cuda
#define TH_GENERIC_FILE "generic/Storage.c"
#define torch_Storage_(NAME) TH_CONCAT_4(torch_,Real,Storage_,NAME)
#define THFile_readRealRaw(file, data, size) \
{ \
float *fdata = (float*)THAlloc(sizeof(float)*size); \
THFile_readFloatRaw(file, fdata, size); \
THCudaCheck(cudaMemcpy(data, fdata, size * sizeof(float), cudaMemcpyHostToDevice)); \
THFree(fdata); \
}
#define THFile_writeRealRaw(file, data, size) \
{ \
float *fdata = (float*)THAlloc(sizeof(float)*size); \
THCudaCheck(cudaMemcpy(fdata, data, size * sizeof(float), cudaMemcpyDeviceToHost)); \
THFile_writeFloatRaw(file, fdata, size); \
THFree(fdata); \
}
#define torch_Storage TH_CONCAT_STRING_3(torch.,Real,Storage)
#include "generic/Storage.c"
#undef real
#undef Real
#undef TH_GENERIC_FILE
/* now we overwrite some methods specific to CudaStorage */
static int cutorch_CudaStorage_copy(lua_State *L)
{
THCState *state = cutorch_getstate(L);
THCudaStorage *storage = luaT_checkudata(L, 1, "torch.CudaStorage");
void *src;
if( (src = luaT_toudata(L, 2, "torch.CudaStorage")) )
THCudaStorage_copy(state, storage, src);
else if( (src = luaT_toudata(L, 2, "torch.ByteStorage")) )
THCudaStorage_copyByte(state, storage, src);
else if( (src = luaT_toudata(L, 2, "torch.CharStorage")) )
THCudaStorage_copyChar(state, storage, src);
else if( (src = luaT_toudata(L, 2, "torch.ShortStorage")) )
THCudaStorage_copyShort(state, storage, src);
else if( (src = luaT_toudata(L, 2, "torch.IntStorage")) )
THCudaStorage_copyInt(state, storage, src);
else if( (src = luaT_toudata(L, 2, "torch.LongStorage")) )
THCudaStorage_copyLong(state, storage, src);
else if( (src = luaT_toudata(L, 2, "torch.FloatStorage")) )
THCudaStorage_copyFloat(state, storage, src);
else if( (src = luaT_toudata(L, 2, "torch.DoubleStorage")) )
THCudaStorage_copyDouble(state, storage, src);
else if( (src = luaT_toudata(L, 2, "torch.CudaStorage")) )
THCudaStorage_copyCuda(state, storage, src);
else
luaL_typerror(L, 2, "torch.*Storage");
lua_settop(L, 1);
return 1;
}
#define CUDA_IMPLEMENT_STORAGE_COPY(TYPEC) \
static int cutorch_##TYPEC##Storage_copy(lua_State *L) \
{ \
TH##TYPEC##Storage *storage = luaT_checkudata(L, 1, "torch." #TYPEC "Storage"); \
void *src; \
if( (src = luaT_toudata(L, 2, "torch." #TYPEC "Storage")) ) \
TH##TYPEC##Storage_copy(storage, src); \
else if( (src = luaT_toudata(L, 2, "torch.ByteStorage")) ) \
TH##TYPEC##Storage_copyByte(storage, src); \
else if( (src = luaT_toudata(L, 2, "torch.CharStorage")) ) \
TH##TYPEC##Storage_copyChar(storage, src); \
else if( (src = luaT_toudata(L, 2, "torch.ShortStorage")) ) \
TH##TYPEC##Storage_copyShort(storage, src); \
else if( (src = luaT_toudata(L, 2, "torch.IntStorage")) ) \
TH##TYPEC##Storage_copyInt(storage, src); \
else if( (src = luaT_toudata(L, 2, "torch.LongStorage")) ) \
TH##TYPEC##Storage_copyLong(storage, src); \
else if( (src = luaT_toudata(L, 2, "torch.FloatStorage")) ) \
TH##TYPEC##Storage_copyFloat(storage, src); \
else if( (src = luaT_toudata(L, 2, "torch.DoubleStorage")) ) \
TH##TYPEC##Storage_copyDouble(storage, src); \
else if( (src = luaT_toudata(L, 2, "torch.CudaStorage")) ) \
TH##TYPEC##Storage_copyCuda(cutorch_getstate(L), storage, src); \
else \
luaL_typerror(L, 2, "torch.*Storage"); \
\
lua_settop(L, 1); \
return 1; \
}
CUDA_IMPLEMENT_STORAGE_COPY(Byte)
CUDA_IMPLEMENT_STORAGE_COPY(Char)
CUDA_IMPLEMENT_STORAGE_COPY(Short)
CUDA_IMPLEMENT_STORAGE_COPY(Int)
CUDA_IMPLEMENT_STORAGE_COPY(Long)
CUDA_IMPLEMENT_STORAGE_COPY(Float)
CUDA_IMPLEMENT_STORAGE_COPY(Double)
void cutorch_CudaStorage_init(lua_State* L)
{
/* the standard stuff */
torch_CudaStorage_init(L);
/* the copy methods */
{
int i;
const void* tnames[8] = {"torch.ByteStorage",
"torch.CharStorage",
"torch.ShortStorage",
"torch.IntStorage",
"torch.LongStorage",
"torch.FloatStorage",
"torch.DoubleStorage",
"torch.CudaStorage"};
static int (*funcs[8])(lua_State*) = {cutorch_ByteStorage_copy,
cutorch_CharStorage_copy,
cutorch_ShortStorage_copy,
cutorch_IntStorage_copy,
cutorch_LongStorage_copy,
cutorch_FloatStorage_copy,
cutorch_DoubleStorage_copy,
cutorch_CudaStorage_copy};
for(i = 0; i < 8; i++)
{
luaT_pushmetatable(L, tnames[i]);
lua_pushcfunction(L, funcs[i]);
lua_setfield(L, -2, "copy");
lua_pop(L, 1);
}
}
}
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