vbatts/llama.cpp
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

llama : avoid ggml include in llama-util.h

Browse source
This commit is contained in:
Georgi Gerganov 2023-06-26 20:27:24 +03:00
parent 0fe4b00de2
commit 875a1e111e
No known key found for this signature in database
GPG key ID: 449E073F9DC10735
2 changed files with 12 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

18
llama-util.h
View file

@ -16,8 +16,6 @@
#include <vector>
#include <stdexcept>
#include "ggml.h"
#ifdef __has_include
#if __has_include(<unistd.h>)
#include <unistd.h>
@ -174,12 +172,12 @@ struct llama_mmap {
#ifdef _POSIX_MAPPED_FILES
static constexpr bool SUPPORTED = true;
llama_mmap(struct llama_file * file, size_t prefetch = (size_t) -1 /* -1 = max value */) {
llama_mmap(struct llama_file * file, size_t prefetch = (size_t) -1 /* -1 = max value */, bool numa = false) {
size = file->size;
int fd = fileno(file->fp);
int flags = MAP_SHARED;
// prefetch/readahead impairs performance on NUMA systems
if (ggml_is_numa()) { prefetch = 0; }
if (numa) { prefetch = 0; }
#ifdef __linux__
if (prefetch) { flags |= MAP_POPULATE; }
#endif
@ -195,7 +193,7 @@ struct llama_mmap {
strerror(errno));
}
}
if (ggml_is_numa()) {
if (numa) {
// advise the kernel not to use readahead
// (because the next page might not belong on the same node)
if (madvise(addr, file->size, MADV_RANDOM)) {
@ -211,7 +209,9 @@ struct llama_mmap {
#elif defined(_WIN32)
static constexpr bool SUPPORTED = true;
llama_mmap(struct llama_file * file, bool prefetch = true) {
llama_mmap(struct llama_file * file, bool prefetch = true, bool numa = false) {
(void) numa;
size = file->size;
HANDLE hFile = (HANDLE) _get_osfhandle(_fileno(file->fp));
@ -256,8 +256,10 @@ struct llama_mmap {
#else
static constexpr bool SUPPORTED = false;
llama_mmap(struct llama_file *, bool prefetch = true) {
(void)prefetch;
llama_mmap(struct llama_file *, bool prefetch = true, bool numa = false) {
(void) prefetch;
(void) numa;
throw std::runtime_error(std::string("mmap not supported"));
}
#endif

4
llama.cpp
View file

@ -774,7 +774,7 @@ struct llama_model_loader {
}
if (use_mmap) {
mapping.reset(new llama_mmap(&file_loaders.at(0)->file, prefetch_size));
mapping.reset(new llama_mmap(&file_loaders.at(0)->file, prefetch_size, ggml_is_numa()));
if (lmlock) {
lmlock->init(mapping->addr);
}
@ -2903,7 +2903,7 @@ int llama_apply_lora_from_file_internal(const struct llama_model & model, const
// maybe this should in llama_model_loader
if (model_loader->use_mmap) {
model_loader->mapping.reset(new llama_mmap(&model_loader->file_loaders.at(0)->file, /* prefetch */ 0));
model_loader->mapping.reset(new llama_mmap(&model_loader->file_loaders.at(0)->file, /* prefetch */ 0, ggml_is_numa()));
}
}