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enable CPU HBM (#2603)

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* add cpu hbm support

* add memalign 0 byte check

* Update ggml.c

* Update llama.cpp

* ggml : allow ggml_init with 0 size

* retrigger ci

* fix code style

---------

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
This commit is contained in:
Kunshang Ji 2023-09-08 09:46:56 +08:00 committed by GitHub
parent 6336d834ec
commit 7f412dab9c
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 38 additions and 2 deletions
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8
CMakeLists.txt
View File

@ -557,6 +557,11 @@ endif()
# ggml
if (GGML_USE_CPU_HBM)
add_definitions(-DGGML_USE_CPU_HBM)
find_library(memkind memkind REQUIRED)
endif()
add_library(ggml OBJECT
ggml.c
ggml.h
@ -572,6 +577,9 @@ add_library(ggml OBJECT
target_include_directories(ggml PUBLIC . ${LLAMA_EXTRA_INCLUDES})
target_compile_features(ggml PUBLIC c_std_11) # don't bump
target_link_libraries(ggml PUBLIC Threads::Threads ${LLAMA_EXTRA_LIBS})
if (GGML_USE_CPU_HBM)
target_link_libraries(ggml PUBLIC memkind)
endif()
add_library(ggml_static STATIC $<TARGET_OBJECTS:ggml>)
if (BUILD_SHARED_LIBS)

20
ggml.c
View File

@ -103,6 +103,9 @@ typedef void * thread_ret_t;
#include <sys/stat.h>
#include <unistd.h>
#endif
#ifdef GGML_USE_CPU_HBM
#include <hbwmalloc.h>
#endif
// __FMA__ and __F16C__ are not defined in MSVC, however they are implied with AVX2/AVX512
@ -192,8 +195,14 @@ typedef void * thread_ret_t;
#define GGML_ALIGNED_FREE(ptr) _aligned_free(ptr)
#else
inline static void * ggml_aligned_malloc(size_t size) {
if (size == 0) {
GGML_PRINT("WARNING: Behavior may be unexpected when allocating 0 bytes for ggml_aligned_malloc!\n");
return NULL;
}
void * aligned_memory = NULL;
#ifdef GGML_USE_METAL
#ifdef GGML_USE_CPU_HBM
int result = hbw_posix_memalign(&aligned_memory, 16, size);
#elif GGML_USE_METAL
int result = posix_memalign(&aligned_memory, sysconf(_SC_PAGESIZE), size);
#else
int result = posix_memalign(&aligned_memory, GGML_MEM_ALIGN, size);
@ -215,8 +224,12 @@ inline static void * ggml_aligned_malloc(size_t size) {
return aligned_memory;
}
#define GGML_ALIGNED_MALLOC(size) ggml_aligned_malloc(size)
#ifdef GGML_USE_CPU_HBM
#define GGML_ALIGNED_FREE(ptr) if(NULL != ptr) hbw_free(ptr)
#else
#define GGML_ALIGNED_FREE(ptr) free(ptr)
#endif
#endif
#define UNUSED GGML_UNUSED
#define SWAP(x, y, T) do { T SWAP = x; x = y; y = SWAP; } while (0)
@ -4566,6 +4579,11 @@ struct ggml_context * ggml_init(struct ggml_init_params params) {
return NULL;
}
// allow to call ggml_init with 0 size
if (params.mem_size == 0) {
params.mem_size = GGML_MEM_ALIGN;
}
const size_t mem_size = params.mem_buffer ? params.mem_size : GGML_PAD(params.mem_size, GGML_MEM_ALIGN);
*ctx = (struct ggml_context) {

12
llama.cpp
View File

@ -126,6 +126,9 @@ void replace_all(std::string & s, const std::string & search, const std::string
}
s = std::move(result);
}
#ifdef GGML_USE_CPU_HBM
#include <hbwmalloc.h>
#endif
static void zeros(std::ofstream & file, size_t n) {
char zero = 0;
@ -450,6 +453,9 @@ static void ggml_graph_compute_helper(std::vector<uint8_t> & buf, ggml_cgraph *
#elif GGML_USE_METAL
# define llama_host_malloc(n) ggml_metal_host_malloc(n)
# define llama_host_free(data) ggml_metal_host_free(data)
#elif GGML_USE_CPU_HBM
# define llama_host_malloc(n) hbw_malloc(n)
# define llama_host_free(data) if (data != NULL) hbw_free(data)
#else
# define llama_host_malloc(n) malloc(n)
# define llama_host_free(data) free(data)
@ -1489,7 +1495,11 @@ struct llama_model_loader {
// allocate temp buffer if not using mmap
if (!use_mmap && cur->data == NULL) {
GGML_ASSERT(cur->backend != GGML_BACKEND_CPU);
cur->data = malloc(ggml_nbytes(cur));
#ifdef GGML_USE_CPU_HBM
cur->data = (uint8_t*)hbw_malloc(ggml_nbytes(cur));
#else
cur->data = (uint8_t*)malloc(ggml_nbytes(cur));
#endif
}
load_data_for(cur);