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Unified Diff: src/compiler.cc

Issue 23469013: Reland "Add Chromium-style TimeDelta, Time and TimeTicks classes, and a new ElapsedTimer class." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE Created 7 years, 4 months ago
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Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 6c2bdce26f9a2540adf5a66484d51103afc91628..93898b18c52e528f47353377b6505e9b5faf9e9d 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -260,10 +260,9 @@ void OptimizingCompiler::RecordOptimizationStats() {
Handle<JSFunction> function = info()->closure();
int opt_count = function->shared()->opt_count();
function->shared()->set_opt_count(opt_count + 1);
- double ms_creategraph =
- static_cast<double>(time_taken_to_create_graph_) / 1000;
- double ms_optimize = static_cast<double>(time_taken_to_optimize_) / 1000;
- double ms_codegen = static_cast<double>(time_taken_to_codegen_) / 1000;
+ double ms_creategraph = time_taken_to_create_graph_.InMillisecondsF();
+ double ms_optimize = time_taken_to_optimize_.InMillisecondsF();
+ double ms_codegen = time_taken_to_codegen_.InMillisecondsF();
if (FLAG_trace_opt) {
PrintF("[optimizing ");
function->ShortPrint();
@@ -373,9 +372,9 @@ OptimizingCompiler::Status OptimizingCompiler::CreateGraph() {
// performance of the hydrogen-based compiler.
bool should_recompile = !info()->shared_info()->has_deoptimization_support();
if (should_recompile || FLAG_hydrogen_stats) {
- int64_t start_ticks = 0;
+ ElapsedTimer timer;
if (FLAG_hydrogen_stats) {
- start_ticks = OS::Ticks();
+ timer.Start();
}
CompilationInfoWithZone unoptimized(info()->shared_info());
// Note that we use the same AST that we will use for generating the
@@ -394,8 +393,7 @@ OptimizingCompiler::Status OptimizingCompiler::CreateGraph() {
Logger::LAZY_COMPILE_TAG, &unoptimized, shared);
}
if (FLAG_hydrogen_stats) {
- int64_t ticks = OS::Ticks() - start_ticks;
- isolate()->GetHStatistics()->IncrementFullCodeGen(ticks);
+ isolate()->GetHStatistics()->IncrementFullCodeGen(timer.Elapsed());
}
}
@@ -1244,7 +1242,7 @@ CompilationPhase::CompilationPhase(const char* name, CompilationInfo* info)
: name_(name), info_(info), zone_(info->isolate()) {
if (FLAG_hydrogen_stats) {
info_zone_start_allocation_size_ = info->zone()->allocation_size();
- start_ticks_ = OS::Ticks();
+ timer_.Start();
}
}
@@ -1253,8 +1251,7 @@ CompilationPhase::~CompilationPhase() {
if (FLAG_hydrogen_stats) {
unsigned size = zone()->allocation_size();
size += info_->zone()->allocation_size() - info_zone_start_allocation_size_;
- int64_t ticks = OS::Ticks() - start_ticks_;
- isolate()->GetHStatistics()->SaveTiming(name_, ticks, size);
+ isolate()->GetHStatistics()->SaveTiming(name_, timer_.Elapsed(), size);
}
}
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