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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/compiler_interface/compiler_cache.h"
#include "shared/source/helpers/aligned_memory.h"
#include "shared/source/helpers/file_io.h"
#include "shared/source/helpers/hash.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/utilities/debug_settings_reader.h"
#include "config.h"
#include "os_inc.h"
#include <cstring>
#include <iomanip>
#include <mutex>
#include <sstream>
#include <string>
namespace NEO {
std::mutex CompilerCache::cacheAccessMtx;
const std::string CompilerCache::getCachedFileName(const HardwareInfo &hwInfo, const ArrayRef<const char> input,
const ArrayRef<const char> options, const ArrayRef<const char> internalOptions) {
Hash hash;
hash.update("----", 4);
hash.update(&*input.begin(), input.size());
hash.update("----", 4);
hash.update(&*options.begin(), options.size());
hash.update("----", 4);
hash.update(&*internalOptions.begin(), internalOptions.size());
hash.update("----", 4);
hash.update(reinterpret_cast<const char *>(&hwInfo.platform), sizeof(hwInfo.platform));
hash.update("----", 4);
hash.update(reinterpret_cast<const char *>(&hwInfo.featureTable), sizeof(hwInfo.featureTable));
hash.update("----", 4);
hash.update(reinterpret_cast<const char *>(&hwInfo.workaroundTable), sizeof(hwInfo.workaroundTable));
auto res = hash.finish();
std::stringstream stream;
stream << std::setfill('0')
<< std::setw(sizeof(res) * 2)
<< std::hex
<< res;
return stream.str();
}
CompilerCache::CompilerCache(const CompilerCacheConfig &cacheConfig)
: config(cacheConfig){};
bool CompilerCache::cacheBinary(const std::string kernelFileHash, const char *pBinary, uint32_t binarySize) {
if (pBinary == nullptr || binarySize == 0) {
return false;
}
std::string filePath = config.cacheDir + PATH_SEPARATOR + kernelFileHash + config.cacheFileExtension;
std::lock_guard<std::mutex> lock(cacheAccessMtx);
return 0 != writeDataToFile(filePath.c_str(), pBinary, binarySize);
}
std::unique_ptr<char[]> CompilerCache::loadCachedBinary(const std::string kernelFileHash, size_t &cachedBinarySize) {
std::string filePath = config.cacheDir + PATH_SEPARATOR + kernelFileHash + config.cacheFileExtension;
std::lock_guard<std::mutex> lock(cacheAccessMtx);
return loadDataFromFile(filePath.c_str(), cachedBinarySize);
}
} // namespace NEO
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