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Update CodeCache file management

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* calculate cache file directory based on $HOME env
* handle all cache list in one file
* use source code's hash value for its cache data file name

Signed-off-by: HyukWoo Park <hyukwoo.park@samsung.com>
This commit is contained in:
HyukWoo Park 2020-09-14 13:54:31 +09:00 • committed by Patrick Kim
commit ae21ea534b
7 changed files with 331 additions and 235 deletions
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30
src/parser/ScriptParser.cpp
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@ -246,31 +246,35 @@ ScriptParser::InitializeScriptResult ScriptParser::initializeScript(String* sour
#if defined(ENABLE_CODE_CACHE)
bool cacheable = needByteCodeGeneration && !isModule && !isEvalMode && srcName->length() && source->length() > CODE_CACHE_MIN_SOURCE_LENGTH;
size_t srcHash = 0;
CodeCache* codeCache = m_context->vmInstance()->codeCache();
bool cacheable = codeCache->enabled() && needByteCodeGeneration && !isModule && !isEvalMode && srcName->length() && source->length() > CODE_CACHE_MIN_SOURCE_LENGTH;
if (cacheable) {
ASSERT(!parentCodeBlock);
auto result = codeCache->tryLoadCodeCacheMetaInfo(srcName, source);
srcHash = source->hashValue();
auto result = codeCache->searchCache(srcHash);
if (result.first) {
GC_disable();
Script* script = new Script(srcName, source, nullptr, false);
CodeCacheEntry& entry = result.second;
// load StringTable
CacheStringTable* table = codeCache->loadStringTable(m_context, script, result.second.stringInfo);
codeCache->context().initStringTable(table);
codeCache->prepareCacheLoading(m_context, srcHash, entry);
// load CodeBlockTree
InterpretedCodeBlock* topCodeBlock = codeCache->loadCodeBlockTree(m_context, script, result.second.codeBlockInfo);
InterpretedCodeBlock* topCodeBlock = codeCache->loadCodeBlockTree(m_context, script);
script->m_topCodeBlock = topCodeBlock;
// load global ByteCodeBlock
topCodeBlock->m_byteCodeBlock = codeCache->loadByteCodeBlock(m_context, script, result.second.byteCodeInfo);
topCodeBlock->m_byteCodeBlock = codeCache->loadByteCodeBlock(m_context, topCodeBlock);
codeCache->context().reset();
codeCache->postCacheLoading();
GC_enable();
#if defined(ESCARGOT_ENABLE_TEST)
ESCARGOT_LOG_INFO("CODECACHE: Load CodeCache Done (%s)\n", srcName->toUTF8StringData().data());
#endif
ScriptParser::InitializeScriptResult result;
result.script = script;
return result;
@ -327,12 +331,18 @@ ScriptParser::InitializeScriptResult ScriptParser::initializeScript(String* sour
if (LIKELY(needByteCodeGeneration)) {
#if defined(ENABLE_CODE_CACHE)
if (cacheable) {
codeCache->prepareCacheRecording(srcHash);
// For storing cache, CodeBlockTree is firstly saved
codeCache->context().initStringTable();
codeCache->storeCodeBlockTree(topCodeBlock);
// After CodeBlockTree, ByteCode and StringTable are stored sequentially
topCodeBlock->m_byteCodeBlock = ByteCodeGenerator::generateByteCode(m_context, topCodeBlock, programNode, inWith, true);
codeCache->context().reset();
codeCache->postCacheRecording(srcHash);
#if defined(ESCARGOT_ENABLE_TEST)
ESCARGOT_LOG_INFO("CODECACHE: Store CodeCache Done (%s)\n", srcName->toUTF8StringData().data());
#endif
} else {
topCodeBlock->m_byteCodeBlock = ByteCodeGenerator::generateByteCode(m_context, topCodeBlock, programNode, inWith, false);
}