tqcq/llama.cpp
0
0
Fork 0
mirror of https://github.com/ggml-org/llama.cpp.git synced 2025-06-28 04:15:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

rpc : send hash when tensor data is above some fixed threshold (#12496)

Browse Source 
* rpc : send hash when tensor data is above some fixed threshold

ref #10095

* rpc : put cache under $HOME/.cache/llama.cpp

* try to fix win32 build

* another try to fix win32 build

* remove llama as dependency
This commit is contained in:
Radoslav Gerganov
2025-03-28 08:18:04 +02:00
committed by GitHub
parent 2099a9d5db
commit ab6ab8f809
4 changed files with 290 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

146
examples/rpc/rpc-server.cpp
View File

@ -1,3 +1,7 @@
#if defined(_MSC_VER)
#define _SILENCE_CXX17_CODECVT_HEADER_DEPRECATION_WARNING
#endif
#include "ggml-cpu.h"
#ifdef GGML_USE_CUDA
@ -18,26 +22,142 @@
#include "ggml-rpc.h"
#ifdef _WIN32
# define DIRECTORY_SEPARATOR '\\'
# include <locale>
# include <windows.h>
# include <fcntl.h>
# include <io.h>
#else
# define DIRECTORY_SEPARATOR '/'
# include <unistd.h>
# include <sys/stat.h>
#endif
#include <codecvt>
#include <string>
#include <stdio.h>
#include <vector>
#include <filesystem>
namespace fs = std::filesystem;
// NOTE: this is copied from common.cpp to avoid linking with libcommon
// returns true if successful, false otherwise
static bool fs_create_directory_with_parents(const std::string & path) {
#ifdef _WIN32
std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
std::wstring wpath = converter.from_bytes(path);
// if the path already exists, check whether it's a directory
const DWORD attributes = GetFileAttributesW(wpath.c_str());
if ((attributes != INVALID_FILE_ATTRIBUTES) && (attributes & FILE_ATTRIBUTE_DIRECTORY)) {
return true;
}
size_t pos_slash = 0;
// process path from front to back, procedurally creating directories
while ((pos_slash = path.find('\\', pos_slash)) != std::string::npos) {
const std::wstring subpath = wpath.substr(0, pos_slash);
const wchar_t * test = subpath.c_str();
const bool success = CreateDirectoryW(test, NULL);
if (!success) {
const DWORD error = GetLastError();
// if the path already exists, ensure that it's a directory
if (error == ERROR_ALREADY_EXISTS) {
const DWORD attributes = GetFileAttributesW(subpath.c_str());
if (attributes == INVALID_FILE_ATTRIBUTES || !(attributes & FILE_ATTRIBUTE_DIRECTORY)) {
return false;
}
} else {
return false;
}
}
pos_slash += 1;
}
return true;
#else
// if the path already exists, check whether it's a directory
struct stat info;
if (stat(path.c_str(), &info) == 0) {
return S_ISDIR(info.st_mode);
}
size_t pos_slash = 1; // skip leading slashes for directory creation
// process path from front to back, procedurally creating directories
while ((pos_slash = path.find('/', pos_slash)) != std::string::npos) {
const std::string subpath = path.substr(0, pos_slash);
struct stat info;
// if the path already exists, ensure that it's a directory
if (stat(subpath.c_str(), &info) == 0) {
if (!S_ISDIR(info.st_mode)) {
return false;
}
} else {
// create parent directories
const int ret = mkdir(subpath.c_str(), 0755);
if (ret != 0) {
return false;
}
}
pos_slash += 1;
}
return true;
#endif // _WIN32
}
// NOTE: this is copied from common.cpp to avoid linking with libcommon
static std::string fs_get_cache_directory() {
std::string cache_directory = "";
auto ensure_trailing_slash = [](std::string p) {
// Make sure to add trailing slash
if (p.back() != DIRECTORY_SEPARATOR) {
p += DIRECTORY_SEPARATOR;
}
return p;
};
if (getenv("LLAMA_CACHE")) {
cache_directory = std::getenv("LLAMA_CACHE");
} else {
#ifdef __linux__
if (std::getenv("XDG_CACHE_HOME")) {
cache_directory = std::getenv("XDG_CACHE_HOME");
} else {
cache_directory = std::getenv("HOME") + std::string("/.cache/");
}
#elif defined(__APPLE__)
cache_directory = std::getenv("HOME") + std::string("/Library/Caches/");
#elif defined(_WIN32)
cache_directory = std::getenv("LOCALAPPDATA");
#endif // __linux__
cache_directory = ensure_trailing_slash(cache_directory);
cache_directory += "llama.cpp";
}
return ensure_trailing_slash(cache_directory);
}
struct rpc_server_params {
std::string host = "127.0.0.1";
int port = 50052;
size_t backend_mem = 0;
bool use_cache = false;
};
static void print_usage(int /*argc*/, char ** argv, rpc_server_params params) {
fprintf(stderr, "Usage: %s [options]\n\n", argv[0]);
fprintf(stderr, "options:\n");
fprintf(stderr, " -h, --help show this help message and exit\n");
fprintf(stderr, " -H HOST, --host HOST host to bind to (default: %s)\n", params.host.c_str());
fprintf(stderr, " -p PORT, --port PORT port to bind to (default: %d)\n", params.port);
fprintf(stderr, " -m MEM, --mem MEM backend memory size (in MB)\n");
fprintf(stderr, " -h, --help show this help message and exit\n");
fprintf(stderr, " -H HOST, --host HOST host to bind to (default: %s)\n", params.host.c_str());
fprintf(stderr, " -p PORT, --port PORT port to bind to (default: %d)\n", params.port);
fprintf(stderr, " -m MEM, --mem MEM backend memory size (in MB)\n");
fprintf(stderr, " -c, --cache enable local file cache\n");
fprintf(stderr, "\n");
}
@ -58,6 +178,8 @@ static bool rpc_server_params_parse(int argc, char ** argv, rpc_server_params &
if (params.port <= 0 || params.port > 65535) {
return false;
}
} else if (arg == "-c" || arg == "--cache") {
params.use_cache = true;
} else if (arg == "-m" || arg == "--mem") {
if (++i >= argc) {
return false;
@ -164,8 +286,20 @@ int main(int argc, char * argv[]) {
} else {
get_backend_memory(&free_mem, &total_mem);
}
printf("Starting RPC server on %s, backend memory: %zu MB\n", endpoint.c_str(), free_mem / (1024 * 1024));
ggml_backend_rpc_start_server(backend, endpoint.c_str(), free_mem, total_mem);
const char * cache_dir = nullptr;
std::string cache_dir_str = fs_get_cache_directory() + "rpc/";
if (params.use_cache) {
if (!fs_create_directory_with_parents(cache_dir_str)) {
fprintf(stderr, "Failed to create cache directory: %s\n", cache_dir_str.c_str());
return 1;
}
cache_dir = cache_dir_str.c_str();
}
printf("Starting RPC server\n");
printf(" endpoint : %s\n", endpoint.c_str());
printf(" local cache : %s\n", cache_dir ? cache_dir : "n/a");
printf(" backend memory : %zu MB\n", free_mem / (1024 * 1024));
ggml_backend_rpc_start_server(backend, endpoint.c_str(), cache_dir, free_mem, total_mem);
ggml_backend_free(backend);
return 0;
}