1 files changed, 6 insertions, 9 deletions
diff --git a/Source/JavaScriptCore/runtime/Options.cpp b/Source/JavaScriptCore/runtime/Options.cpp
index 68d10b7bd..ddfba6e7c 100644
--- a/Source/JavaScriptCore/runtime/Options.cpp
+++ b/Source/JavaScriptCore/runtime/Options.cpp
@@ -27,6 +27,7 @@
 #include "Options.h"
 
 #include <limits>
+#include <wtf/NumberOfCores.h>
 #include <wtf/PageBlock.h>
 
 #if OS(DARWIN) && ENABLE(PARALLEL_GC)
@@ -129,10 +130,10 @@ void setHeuristic(T& variable, const char* name, U value)
 
 void initializeOptions()
 {
-    SET(maximumOptimizationCandidateInstructionCount, 1000);
+    SET(maximumOptimizationCandidateInstructionCount, 1100);
     
-    SET(maximumFunctionForCallInlineCandidateInstructionCount, 150);
-    SET(maximumFunctionForConstructInlineCandidateInstructionCount, 80);
+    SET(maximumFunctionForCallInlineCandidateInstructionCount, 180);
+    SET(maximumFunctionForConstructInlineCandidateInstructionCount, 100);
     
     SET(maximumInliningDepth, 5);
 
@@ -174,12 +175,8 @@ void initializeOptions()
     SET(opaqueRootMergeThreshold,             1000);
 
     int cpusToUse = 1;
-#if OS(DARWIN) && ENABLE(PARALLEL_GC)
-    int name[2];
-    size_t valueSize = sizeof(cpusToUse);
-    name[0] = CTL_HW;
-    name[1] = HW_AVAILCPU;
-    sysctl(name, 2, &cpusToUse, &valueSize, 0, 0);
+#if ENABLE(PARALLEL_GC)
+    cpusToUse = WTF::numberOfProcessorCores();
 #endif
     // We don't scale so well beyond 4.
     if (cpusToUse > 4)