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// =================================================================================================
// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
// width of 100 characters per line.
//
// Author(s):
// Cedric Nugteren <www.cedricnugteren.nl>
//
// This file implements the caching functionality of compiled binaries and programs.
//
// =================================================================================================
#include <string>
#include <vector>
#include <mutex>
#include "cache.hpp"
namespace clblast {
// =================================================================================================
// Stores the compiled binary or IR in the cache
void StoreBinaryToCache(const std::string &binary, const std::string &device_name,
const Precision &precision, const std::string &routine_name) {
#ifdef VERBOSE
printf("[DEBUG] Storing binary in cache\n");
#endif
binary_cache_mutex_.lock();
binary_cache_.push_back(BinaryCache{binary, device_name, precision, routine_name});
binary_cache_mutex_.unlock();
}
// Stores the compiled program in the cache
void StoreProgramToCache(const Program &program, const Context &context,
const Precision &precision, const std::string &routine_name) {
#ifdef VERBOSE
printf("[DEBUG] Storing program in cache\n");
#endif
program_cache_mutex_.lock();
program_cache_.push_back(ProgramCache{program, context(), precision, routine_name});
program_cache_mutex_.unlock();
}
// Queries the cache and retrieves a matching binary. Assumes that the match is available, throws
// otherwise.
const std::string& GetBinaryFromCache(const std::string &device_name, const Precision &precision,
const std::string &routine_name) {
#ifdef VERBOSE
printf("[DEBUG] Retrieving binary from cache\n");
#endif
binary_cache_mutex_.lock();
for (auto &cached_binary: binary_cache_) {
if (cached_binary.MatchInCache(device_name, precision, routine_name)) {
binary_cache_mutex_.unlock();
return cached_binary.binary;
}
}
binary_cache_mutex_.unlock();
throw std::runtime_error("Internal CLBlast error: Expected binary in cache, but found none.");
}
// Queries the cache and retrieves a matching program. Assumes that the match is available, throws
// otherwise.
const Program& GetProgramFromCache(const Context &context, const Precision &precision,
const std::string &routine_name) {
#ifdef VERBOSE
printf("[DEBUG] Retrieving program from cache\n");
#endif
program_cache_mutex_.lock();
for (auto &cached_program: program_cache_) {
if (cached_program.MatchInCache(context(), precision, routine_name)) {
program_cache_mutex_.unlock();
return cached_program.program;
}
}
program_cache_mutex_.unlock();
throw std::runtime_error("Internal CLBlast error: Expected program in cache, but found none.");
}
// Queries the cache to see whether or not the compiled kernel is already there
bool BinaryIsInCache(const std::string &device_name, const Precision &precision,
const std::string &routine_name) {
binary_cache_mutex_.lock();
for (auto &cached_binary: binary_cache_) {
if (cached_binary.MatchInCache(device_name, precision, routine_name)) {
binary_cache_mutex_.unlock();
return true;
}
}
binary_cache_mutex_.unlock();
return false;
}
// Queries the cache to see whether or not the compiled kernel is already there
bool ProgramIsInCache(const Context &context, const Precision &precision,
const std::string &routine_name) {
program_cache_mutex_.lock();
for (auto &cached_program: program_cache_) {
if (cached_program.MatchInCache(context(), precision, routine_name)) {
program_cache_mutex_.unlock();
return true;
}
}
program_cache_mutex_.unlock();
return false;
}
// =================================================================================================
// Clears the cache of stored binaries and programs
StatusCode CacheClearAll() {
binary_cache_mutex_.lock();
binary_cache_.clear();
binary_cache_mutex_.unlock();
program_cache_mutex_.lock();
program_cache_.clear();
program_cache_mutex_.unlock();
return StatusCode::kSuccess;
}
// =================================================================================================
} // namespace clblast
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