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feature: add new environment variables for compiler cache on Windows

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Changes:
- replaced registry keys with environment variables
for cl_cache in OCL
- added compiler cache helpers
- implemented support for new env vars on Windows
- added tests

New env vars mechanism works as follows:
If `PERSISTENT_CACHE` is set,
driver checks if `NEO_CACHE_DIR` is set.
If `NEO_CACHE_DIR` is not set,
driver uses `%LocalAppData%\NEO\neo_compiler_cache`
as `cl_cache` destination folder.
If `NEO_CACHE_DIR` is not set and `%LocalAppData%`
path could not be obtained,
compiler cache is disabled.

In the current Windows implementation,
special characters in the folder path are not supported.

Related-To: NEO-8092
Signed-off-by: Fabian Zwolinski <fabian.zwolinski@intel.com>
This commit is contained in:
Fabian Zwolinski
2023-09-08 11:22:54 +00:00
committed by Compute-Runtime-Automation
parent 5569dac6d0
commit e96dd344c3
12 changed files with 468 additions and 67 deletions
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18
opencl/source/compiler_interface/default_cache_config.cpp
View File

@@ -9,11 +9,10 @@
#include "shared/source/compiler_interface/os_compiler_cache_helper.h"
#include "shared/source/helpers/constants.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 "opencl/source/os_interface/ocl_reg_path.h"
#include "config.h"
#include "os_inc.h"
@@ -27,18 +26,15 @@ std::string ClCacheDir = "cl_cache_dir";
CompilerCacheConfig getDefaultCompilerCacheConfig() {
CompilerCacheConfig ret;
NEO::EnvironmentVariableReader envReader;
std::unique_ptr<SettingsReader> settingsReader(SettingsReader::createOsReader(false, oclRegPath));
auto cachePersistentKey = oclRegPath + NeoCachePersistent;
if (settingsReader->getSetting(settingsReader->appSpecificLocation(cachePersistentKey), defaultCacheEnabled()) != 0) {
if (envReader.getSetting(NeoCachePersistent.c_str(), defaultCacheEnabled()) != 0) {
ret.enabled = true;
std::string emptyString = "";
ret.cacheDir = settingsReader->getSetting(settingsReader->appSpecificLocation(NeoCacheDir), emptyString);
ret.cacheDir = envReader.getSetting(NeoCacheDir.c_str(), emptyString);
if (ret.cacheDir.empty()) {
if (!checkDefaultCacheDirSettings(ret.cacheDir, settingsReader.get())) {
if (!checkDefaultCacheDirSettings(ret.cacheDir, envReader)) {
ret.enabled = false;
return ret;
}
@@ -51,7 +47,7 @@ CompilerCacheConfig getDefaultCompilerCacheConfig() {
}
ret.cacheFileExtension = ".cl_cache";
ret.cacheSize = static_cast<size_t>(settingsReader->getSetting(settingsReader->appSpecificLocation(NeoCacheMaxSize), static_cast<int64_t>(MemoryConstants::gigaByte)));
ret.cacheSize = static_cast<size_t>(envReader.getSetting(NeoCacheMaxSize.c_str(), static_cast<int64_t>(MemoryConstants::gigaByte)));
if (ret.cacheSize == 0u) {
ret.cacheSize = std::numeric_limits<size_t>::max();
@@ -60,7 +56,7 @@ CompilerCacheConfig getDefaultCompilerCacheConfig() {
return ret;
}
ret.cacheDir = settingsReader->getSetting(settingsReader->appSpecificLocation(ClCacheDir), static_cast<std::string>(CL_CACHE_LOCATION));
ret.cacheDir = envReader.getSetting(ClCacheDir.c_str(), static_cast<std::string>(CL_CACHE_LOCATION));
if (NEO::SysCalls::pathExists(ret.cacheDir)) {
ret.enabled = true;