aditya/llama.cpp
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Initial windows support (untested)

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Slaren 2023-03-29 22:22:36 +02:00 committed by Justine Tunney
parent ac184d5147
commit a017390358
1 changed files with 31 additions and 3 deletions
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34
llama.cpp
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@ -12,11 +12,15 @@
#include <cassert>
#include <cstring>
// headers for POSIX mmap
// mmap
#if defined (__unix__) || defined (__APPLE__)
# include <sys/mman.h>
# include <fcntl.h>
# include <unistd.h>
#elif defined(_WIN32)
# define WIN32_LEAN_AND_MEAN
# include <Windows.h>
//#include <Memoryapi.h>
#endif
#define LLAMA_USE_SCRATCH
@ -312,8 +316,31 @@ static void mmap_file(const char* fname, void * &mm_addr, size_t &mm_length) {
mm_addr = NULL;
mm_length = 0;
}
#elif defined(_WIN32)
mm_addr = NULL;
HANDLE hFile = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE) {
return;
}
// not really necessary
LARGE_INTEGER fileSize;
GetFileSizeEx(hFile, &fileSize);
mm_length = fileSize;
HANDLE hMapping = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
CloseHandle(hFile);
if (hMapping == NULL) {
return;
}
mm_addr = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
CloseHandle(hMapping);
#else
// TODO: windows support
mm_addr = NULL;
mm_length = 0;
(void)(fname); // suppress warnings
#endif
}
@ -322,8 +349,9 @@ static void munmap_file(void * addr, size_t length) {
#if defined(MAP_FAILED)
// POSIX
munmap(addr, length);
#elif defined(_WIN32)
UnmapViewOfFile(addr);
#else
// TODO: windows support
(void)(addr); // suppress warnings
(void)(length);
#endif