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/*
* Copyright (C) 2024-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/compiler_interface/default_cache_config.h"
#include "shared/source/compiler_interface/os_compiler_cache_helper.h"
#include "shared/source/helpers/api_specific_config.h"
#include "shared/source/helpers/constants.h"
#include "shared/source/helpers/path.h"
#include "shared/source/os_interface/debug_env_reader.h"
#include "shared/source/os_interface/sys_calls_common.h"
#include "shared/source/utilities/debug_settings_reader.h"
#include <string>
namespace NEO {
const std::string neoCachePersistent = "NEO_CACHE_PERSISTENT";
const std::string neoCacheMaxSize = "NEO_CACHE_MAX_SIZE";
const std::string neoCacheDir = "NEO_CACHE_DIR";
const int64_t neoCacheMaxSizeDefault = static_cast<int64_t>(MemoryConstants::gigaByte);
CompilerCacheConfig getDefaultCompilerCacheConfig() {
CompilerCacheConfig ret;
NEO::EnvironmentVariableReader envReader;
if (envReader.getSetting(neoCachePersistent.c_str(), ApiSpecificConfig::compilerCacheDefaultEnabled()) != 0) {
ret.enabled = true;
if (isAnyIgcEnvVarSet()) {
ret.enabled = false;
PRINT_DEBUG_STRING(NEO::debugManager.flags.PrintDebugMessages.get(), stdout, "WARNING: Detected IGC_* environment variable(s). Compiler cache is disabled.\n");
return ret;
}
std::string emptyString = "";
ret.cacheDir = envReader.getSetting(neoCacheDir.c_str(), emptyString);
if (ret.cacheDir.empty()) {
if (!checkDefaultCacheDirSettings(ret.cacheDir, envReader)) {
ret.enabled = false;
return ret;
}
} else {
if (!NEO::pathExists(ret.cacheDir)) {
ret.cacheDir = "";
ret.enabled = false;
return ret;
}
}
ret.cacheFileExtension = ApiSpecificConfig::compilerCacheFileExtension();
ret.cacheSize = static_cast<size_t>(envReader.getSetting(neoCacheMaxSize.c_str(), neoCacheMaxSizeDefault));
if (ret.cacheSize == 0u) {
ret.cacheSize = std::numeric_limits<size_t>::max();
}
PRINT_DEBUG_STRING(NEO::debugManager.flags.PrintDebugMessages.get(), stdout, "NEO_CACHE_PERSISTENT is enabled. Cache is located in: %s\n\n",
ret.cacheDir.c_str());
return ret;
}
return ret;
}
} // namespace NEO
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