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Implement experimental code cache of function

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Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
This commit is contained in:
Seonghyun Kim 2023-11-21 12:48:40 +09:00 • committed by Hyukwoo Park
commit fcc35d22bf
7 changed files with 182 additions and 46 deletions
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79
src/parser/ScriptParser.cpp
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@ -308,14 +308,14 @@ ScriptParser::InitializeScriptResult ScriptParser::initializeScript(String* orig
if (cacheable) {
ASSERT(!parentCodeBlock);
srcHash = source->hashValue();
auto result = codeCache->searchCache(srcHash);
auto result = codeCache->searchCache(srcHash, Optional<size_t>());
if (result.first) {
GC_disable();
Script* script = new Script(srcName, source, nullptr, false, originLineOffset);
Script* script = new Script(srcName, source, nullptr, originLineOffset, false, cacheable);
CodeCacheEntry& entry = result.second;
codeCache->prepareCacheLoading(m_context, srcHash, entry);
codeCache->prepareCacheLoading(m_context, srcHash, Optional<size_t>(), entry);
// load CodeBlockTree
InterpretedCodeBlock* topCodeBlock = codeCache->loadCodeBlockTree(m_context, script);
// load global ByteCodeBlock
@ -368,7 +368,12 @@ ScriptParser::InitializeScriptResult ScriptParser::initializeScript(String* orig
programNode = esprima::parseProgram(m_context, sourceView, outerClassInfo,
isModule, strictFromOutside, inWith, allowSC, allowSP, allowNewTarget, allowArguments);
script = new Script(srcName, source, programNode->moduleData(), !parentCodeBlock, originLineOffset);
script = new Script(srcName, source, programNode->moduleData(), originLineOffset, !parentCodeBlock
#if defined(ENABLE_CODE_CACHE)
,
cacheable
#endif
);
if (parentCodeBlock) {
programNode->scopeContext()->m_hasEval = parentCodeBlock->hasEval();
programNode->scopeContext()->m_hasWith = parentCodeBlock->hasWith();
@ -421,7 +426,7 @@ ScriptParser::InitializeScriptResult ScriptParser::initializeScript(String* orig
#if defined(ENABLE_CODE_CACHE)
// Store cache
if (cacheable) {
codeCache->prepareCacheWriting(srcHash);
codeCache->prepareCacheWriting(srcHash, Optional<size_t>());
// For storing cache, CodeBlockTree is firstly saved
codeCache->storeCodeBlockTree(topCodeBlock, m_codeBlockCacheInfo);
@ -429,9 +434,11 @@ ScriptParser::InitializeScriptResult ScriptParser::initializeScript(String* orig
// After CodeBlockTree, ByteCode and StringTable are stored sequentially
topCodeBlock->m_byteCodeBlock = ByteCodeGenerator::generateByteCode(m_context, topCodeBlock, programNode, inWith, true);
codeCache->postCacheWriting(srcHash);
codeCache->postCacheWriting(srcHash, Optional<size_t>());
deleteCodeBlockCacheInfo();
script->m_sourceCodeHashValue = srcHash;
ESCARGOT_LOG_INFO("[CodeCache] Store CodeCache Done (%s)\n", srcName->toUTF8StringData().data());
} else {
topCodeBlock->m_byteCodeBlock = ByteCodeGenerator::generateByteCode(m_context, topCodeBlock, programNode, inWith, false);
@ -469,6 +476,36 @@ void ScriptParser::generateFunctionByteCode(ExecutionState& state, InterpretedCo
ASSERT(!m_context->debuggerEnabled() || !m_context->inDebuggingCodeMode());
#endif /* ESCARGOT_DEBUGGER */
#if defined(ENABLE_CODE_CACHE)
CodeCache* codeCache = m_context->vmInstance()->codeCache();
bool cacheable = codeBlock->script()->isCacheable() && codeBlock->src().length() > CODE_CACHE_MIN_SOURCE_LENGTH;
// Lode code from cache
size_t srcHash = codeBlock->script()->sourceCodeHashValue();
// Load cache
if (cacheable) {
auto result = codeCache->searchCache(srcHash, codeBlock->functionStart().index);
if (result.first) {
GC_disable();
CodeCacheEntry& entry = result.second;
codeCache->prepareCacheLoading(m_context, srcHash, codeBlock->functionStart().index, entry);
// load ByteCodeBlock
codeBlock->m_byteCodeBlock = codeCache->loadByteCodeBlock(m_context, codeBlock);
bool loadingDone = codeCache->postCacheLoading();
cacheable = loadingDone;
GC_enable();
if (LIKELY(loadingDone)) {
ESCARGOT_LOG_INFO("[CodeCache] Load CodeCache Done (%s: index %zu size %zu)\n", codeBlock->script()->srcName()->toNonGCUTF8StringData().data(),
codeBlock->functionStart().index, codeBlock->src().length());
return;
}
}
}
#endif
GC_disable();
FunctionNode* functionNode;
@ -489,7 +526,23 @@ void ScriptParser::generateFunctionByteCode(ExecutionState& state, InterpretedCo
// Generate ByteCode
try {
#if defined(ENABLE_CODE_CACHE)
// Store cache
if (cacheable) {
codeCache->prepareCacheWriting(srcHash, codeBlock->functionStart().index);
// After CodeBlockTree, ByteCode and StringTable are stored sequentially
codeBlock->m_byteCodeBlock = ByteCodeGenerator::generateByteCode(state.context(), codeBlock, functionNode, false, true);
codeCache->postCacheWriting(srcHash, codeBlock->functionStart().index);
ESCARGOT_LOG_INFO("[CodeCache] Store CodeCache Done (%s: index %zu size %zu)\n", codeBlock->script()->srcName()->toNonGCUTF8StringData().data(),
codeBlock->functionStart().index, codeBlock->src().length());
} else {
codeBlock->m_byteCodeBlock = ByteCodeGenerator::generateByteCode(state.context(), codeBlock, functionNode);
}
#else
codeBlock->m_byteCodeBlock = ByteCodeGenerator::generateByteCode(state.context(), codeBlock, functionNode);
#endif
} catch (const char* message) {
// reset ASTAllocator
m_context->astAllocator().reset();
@ -513,7 +566,12 @@ Script* ScriptParser::initializeJSONModule(String* source, String* srcName)
moduleData->m_localExportEntries.push_back(entry);
Script* script = new Script(srcName, source, moduleData, false, 0);
Script* script = new Script(srcName, source, moduleData, 0, false
#if defined(ENABLE_CODE_CACHE)
,
false
#endif
);
ModuleEnvironmentRecord* moduleRecord = new ModuleEnvironmentRecord(script);
moduleData->m_moduleRecord = moduleRecord;
@ -575,7 +633,12 @@ ScriptParser::InitializeScriptResult ScriptParser::initializeScriptWithDebugger(
programNode = esprima::parseProgram(m_context, sourceView, outerClassInfo, isModule, strictFromOutside, inWith, allowSC, allowSP, allowNewTarget, allowArguments);
script = new Script(srcName, source, programNode->moduleData(), !parentCodeBlock, originLineOffset);
script = new Script(srcName, source, programNode->moduleData(), originLineOffset, !parentCodeBlock
#if defined(ENABLE_CODE_CACHE)
,
false
#endif
);
if (parentCodeBlock) {
programNode->scopeContext()->m_hasEval = parentCodeBlock->hasEval();
programNode->scopeContext()->m_hasWith = parentCodeBlock->hasWith();