X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/1df5f87f1309a8daa30dabdee855f48ae40d14ab..6fe7ccc865dc7d7541b93c5bcaf6368d2c98a174:/runtime/Options.h

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+/*
+ * Copyright (C) 2011 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef Options_h
+#define Options_h
+
+#include <stdint.h>
+
+namespace JSC { namespace Options {
+
+extern bool useJIT;
+
+extern unsigned maximumOptimizationCandidateInstructionCount;
+
+extern unsigned maximumFunctionForCallInlineCandidateInstructionCount;
+extern unsigned maximumFunctionForConstructInlineCandidateInstructionCount;
+
+extern unsigned maximumInliningDepth; // Depth of inline stack, so 1 = no inlining, 2 = one level, etc.
+
+extern int32_t thresholdForJITAfterWarmUp;
+extern int32_t thresholdForJITSoon;
+
+extern int32_t thresholdForOptimizeAfterWarmUp;
+extern int32_t thresholdForOptimizeAfterLongWarmUp;
+extern int32_t thresholdForOptimizeSoon;
+extern int32_t thresholdForOptimizeNextInvocation;
+
+extern int32_t executionCounterIncrementForLoop;
+extern int32_t executionCounterIncrementForReturn;
+
+extern unsigned desiredSpeculativeSuccessFailRatio;
+
+extern double likelyToTakeSlowCaseThreshold;
+extern double couldTakeSlowCaseThreshold;
+extern unsigned likelyToTakeSlowCaseMinimumCount;
+extern unsigned couldTakeSlowCaseMinimumCount;
+
+extern double osrExitProminenceForFrequentExitSite;
+
+extern unsigned largeFailCountThresholdBase;
+extern unsigned largeFailCountThresholdBaseForLoop;
+extern unsigned forcedOSRExitCountForReoptimization;
+
+extern unsigned reoptimizationRetryCounterMax;
+extern unsigned reoptimizationRetryCounterStep;
+
+extern unsigned minimumOptimizationDelay;
+extern unsigned maximumOptimizationDelay;
+extern double desiredProfileLivenessRate;
+extern double desiredProfileFullnessRate;
+
+extern double doubleVoteRatioForDoubleFormat;
+
+extern unsigned minimumNumberOfScansBetweenRebalance;
+extern unsigned gcMarkStackSegmentSize;
+extern unsigned minimumNumberOfCellsToKeep;
+extern unsigned maximumNumberOfSharedSegments;
+extern unsigned sharedStackWakeupThreshold;
+JS_EXPORTDATA extern unsigned numberOfGCMarkers;
+JS_EXPORTDATA extern unsigned opaqueRootMergeThreshold;
+
+void initializeOptions();
+
+} } // namespace JSC::Options
+
+#endif // Options_h
+