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/*
* Copyright (C) 2019-2026 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/compiler_interface/compiler_cache.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/helpers/casts.h"
#include "shared/source/helpers/file_io.h"
#include "shared/source/helpers/hash.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/helpers/path.h"
#include "shared/source/utilities/io_functions.h"
#include "elements_struct.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,
const ArrayRef<const char> specIds, const ArrayRef<const char> specValues,
const ArrayRef<const char> igcRevision, size_t igcLibSize, time_t igcLibMTime) {
Hash hash;
hash.update("----", 4);
hash.update(&*igcRevision.begin(), igcRevision.size());
hash.update(safePodCast<const char *>(&igcLibSize), sizeof(igcLibSize));
hash.update(safePodCast<const char *>(&igcLibMTime), sizeof(igcLibMTime));
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(&*specIds.begin(), specIds.size());
hash.update(&*specValues.begin(), specValues.size());
hash.update("----", 4);
hash.update(safePodCast<const char *>(&hwInfo.platform), sizeof(hwInfo.platform));
hash.update("----", 4);
const auto featureTableHashStr = std::to_string(hwInfo.featureTable.asHash());
hash.update(featureTableHashStr.c_str(), featureTableHashStr.length());
hash.update("----", 4);
const auto workaroundTableHashStr = std::to_string(hwInfo.workaroundTable.asHash());
hash.update(workaroundTableHashStr.c_str(), workaroundTableHashStr.length());
hash.update("----", 4);
hash.update(reinterpret_cast<const char *>(&hwInfo.ipVersion), sizeof(uint32_t));
auto res = hash.finish();
std::stringstream stream;
stream << std::setfill('0')
<< std::setw(sizeof(res) * 2)
<< std::hex
<< res;
if (debugManager.flags.BinaryCacheTrace.get()) {
std::string traceFilePath = config.cacheDir + PATH_SEPARATOR + stream.str() + ".trace";
std::string inputFilePath = config.cacheDir + PATH_SEPARATOR + stream.str() + ".input";
std::lock_guard<std::mutex> lock(cacheAccessMtx);
auto fp = NEO::IoFunctions::fopenPtr(traceFilePath.c_str(), "w");
if (fp) {
NEO::IoFunctions::fprintf(fp, "---- igcRevision ----\n");
NEO::IoFunctions::fprintf(fp, "%s\n", &*igcRevision.begin());
NEO::IoFunctions::fprintf(fp, " libSize=%llu\n", igcLibSize);
NEO::IoFunctions::fprintf(fp, " libMTime=%llu\n", igcLibMTime);
NEO::IoFunctions::fprintf(fp, "---- input ----\n");
NEO::IoFunctions::fprintf(fp, "<%s>\n", inputFilePath.c_str());
NEO::IoFunctions::fprintf(fp, "---- options ----\n");
NEO::IoFunctions::fprintf(fp, "%s\n", &*options.begin());
NEO::IoFunctions::fprintf(fp, "---- internal options ----\n");
NEO::IoFunctions::fprintf(fp, "%s\n", &*internalOptions.begin());
NEO::IoFunctions::fprintf(fp, "---- specialization constants ----\n");
NEO::IoFunctions::fprintf(fp, "specIds=");
for (size_t idx = 0; idx < specIds.size(); idx++) {
NEO::IoFunctions::fprintf(fp, "%02x", specIds[idx]);
}
NEO::IoFunctions::fprintf(fp, "\n");
NEO::IoFunctions::fprintf(fp, "specValues=");
for (size_t idx = 0; idx < specValues.size(); idx++) {
NEO::IoFunctions::fprintf(fp, "%02x", specValues[idx]);
}
NEO::IoFunctions::fprintf(fp, "\n");
NEO::IoFunctions::fprintf(fp, "---- platform ----\n");
NEO::IoFunctions::fprintf(fp, " eProductFamily=%d\n", hwInfo.platform.eProductFamily);
NEO::IoFunctions::fprintf(fp, " ePCHProductFamily=%d\n", hwInfo.platform.ePCHProductFamily);
NEO::IoFunctions::fprintf(fp, " eDisplayCoreFamily=%d\n", hwInfo.platform.eDisplayCoreFamily);
NEO::IoFunctions::fprintf(fp, " eRenderCoreFamily=%d\n", hwInfo.platform.eRenderCoreFamily);
NEO::IoFunctions::fprintf(fp, " ePlatformType=%d\n", hwInfo.platform.ePlatformType);
NEO::IoFunctions::fprintf(fp, " usDeviceID=%d\n", hwInfo.platform.usDeviceID);
NEO::IoFunctions::fprintf(fp, " usRevId=%d\n", hwInfo.platform.usRevId);
NEO::IoFunctions::fprintf(fp, " usDeviceID_PCH=%d\n", hwInfo.platform.usDeviceID_PCH);
NEO::IoFunctions::fprintf(fp, " usRevId_PCH=%d\n", hwInfo.platform.usRevId_PCH);
NEO::IoFunctions::fprintf(fp, " eGTType=%d\n", hwInfo.platform.eGTType);
NEO::IoFunctions::fprintf(fp, "---- feature table ----\n");
auto featureTable = safePodCast<const char *>(&hwInfo.featureTable.packed);
for (size_t idx = 0; idx < sizeof(hwInfo.featureTable.packed); idx++) {
NEO::IoFunctions::fprintf(fp, "%02x.", (uint8_t)(featureTable[idx]));
}
NEO::IoFunctions::fprintf(fp, "\n");
NEO::IoFunctions::fprintf(fp, "---- workaround table ----\n");
auto workaroundTable = reinterpret_cast<const char *>(&hwInfo.workaroundTable);
for (size_t idx = 0; idx < sizeof(hwInfo.workaroundTable); idx++) {
NEO::IoFunctions::fprintf(fp, "%02x.", (uint8_t)(workaroundTable[idx]));
}
NEO::IoFunctions::fprintf(fp, "\n");
NEO::IoFunctions::fclosePtr(fp);
}
fp = NEO::IoFunctions::fopenPtr(inputFilePath.c_str(), "w");
if (fp) {
NEO::IoFunctions::fwritePtr(&*input.begin(), input.size(), 1, fp);
NEO::IoFunctions::fclosePtr(fp);
}
}
return stream.str();
}
CompilerCache::CompilerCache(const CompilerCacheConfig &cacheConfig)
: config(cacheConfig){};
std::string CompilerCache::getCachedFilePath(const std::string &cacheFile) {
std::string path = config.cacheDir;
for (int i = 0; i < maxCacheDepth; i++) {
path = joinPath(path, std::string(1, cacheFile[i]));
}
path = joinPath(path, cacheFile);
return path;
}
std::unique_ptr<char[]> CompilerCache::loadCachedBinary(const std::string &kernelFileHash, size_t &cachedBinarySize) {
auto cacheFilename = kernelFileHash + config.cacheFileExtension;
if (cacheFilename.length() < maxCacheDepth + config.cacheFileExtension.length()) {
PRINT_STRING(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "[Cache failure]: Load cached binary failed - cache file name is too short!\n");
cachedBinarySize = 0;
return nullptr;
}
std::string filePath = getCachedFilePath(cacheFilename);
return loadDataFromFile(filePath.c_str(), cachedBinarySize);
}
bool CompilerCache::getCachedFiles(std::vector<ElementsStruct> &cacheFiles) {
cacheFiles.clear();
auto filterFunction = [](const std::string_view &path) {
return path.find(".cl_cache") != path.npos || path.find(".l0_cache") != path.npos;
};
if (!getFiles(config.cacheDir, filterFunction, cacheFiles)) {
return false;
}
std::sort(cacheFiles.begin(), cacheFiles.end(), [this](const ElementsStruct &a, const ElementsStruct &b) {
return this->compareByLastAccessTime(a, b);
});
return true;
}
} // namespace NEO
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