| | 1 | /* |
| | 2 | * Copyright (C) 2011 Apple Inc. All rights reserved. |
| | 3 | * |
| | 4 | * Redistribution and use in source and binary forms, with or without |
| | 5 | * modification, are permitted provided that the following conditions |
| | 6 | * are met: |
| | 7 | * 1. Redistributions of source code must retain the above copyright |
| | 8 | * notice, this list of conditions and the following disclaimer. |
| | 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 10 | * notice, this list of conditions and the following disclaimer in the |
| | 11 | * documentation and/or other materials provided with the distribution. |
| | 12 | * |
| | 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| | 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| | 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| | 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| | 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| | 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| | 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| | 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| | 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| | 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| | 24 | */ |
| | 25 | |
| | 26 | #ifndef Options_h |
| | 27 | #define Options_h |
| | 28 | |
| | 29 | #include <stdint.h> |
| | 30 | |
| | 31 | namespace JSC { namespace Options { |
| | 32 | |
| | 33 | extern bool useJIT; |
| | 34 | |
| | 35 | extern unsigned maximumOptimizationCandidateInstructionCount; |
| | 36 | |
| | 37 | extern unsigned maximumFunctionForCallInlineCandidateInstructionCount; |
| | 38 | extern unsigned maximumFunctionForConstructInlineCandidateInstructionCount; |
| | 39 | |
| | 40 | extern unsigned maximumInliningDepth; // Depth of inline stack, so 1 = no inlining, 2 = one level, etc. |
| | 41 | |
| | 42 | extern int32_t thresholdForJITAfterWarmUp; |
| | 43 | extern int32_t thresholdForJITSoon; |
| | 44 | |
| | 45 | extern int32_t thresholdForOptimizeAfterWarmUp; |
| | 46 | extern int32_t thresholdForOptimizeAfterLongWarmUp; |
| | 47 | extern int32_t thresholdForOptimizeSoon; |
| | 48 | extern int32_t thresholdForOptimizeNextInvocation; |
| | 49 | |
| | 50 | extern int32_t executionCounterIncrementForLoop; |
| | 51 | extern int32_t executionCounterIncrementForReturn; |
| | 52 | |
| | 53 | extern unsigned desiredSpeculativeSuccessFailRatio; |
| | 54 | |
| | 55 | extern double likelyToTakeSlowCaseThreshold; |
| | 56 | extern double couldTakeSlowCaseThreshold; |
| | 57 | extern unsigned likelyToTakeSlowCaseMinimumCount; |
| | 58 | extern unsigned couldTakeSlowCaseMinimumCount; |
| | 59 | |
| | 60 | extern double osrExitProminenceForFrequentExitSite; |
| | 61 | |
| | 62 | extern unsigned largeFailCountThresholdBase; |
| | 63 | extern unsigned largeFailCountThresholdBaseForLoop; |
| | 64 | extern unsigned forcedOSRExitCountForReoptimization; |
| | 65 | |
| | 66 | extern unsigned reoptimizationRetryCounterMax; |
| | 67 | extern unsigned reoptimizationRetryCounterStep; |
| | 68 | |
| | 69 | extern unsigned minimumOptimizationDelay; |
| | 70 | extern unsigned maximumOptimizationDelay; |
| | 71 | extern double desiredProfileLivenessRate; |
| | 72 | extern double desiredProfileFullnessRate; |
| | 73 | |
| | 74 | extern double doubleVoteRatioForDoubleFormat; |
| | 75 | |
| | 76 | extern unsigned minimumNumberOfScansBetweenRebalance; |
| | 77 | extern unsigned gcMarkStackSegmentSize; |
| | 78 | extern unsigned minimumNumberOfCellsToKeep; |
| | 79 | extern unsigned maximumNumberOfSharedSegments; |
| | 80 | extern unsigned sharedStackWakeupThreshold; |
| | 81 | JS_EXPORTDATA extern unsigned numberOfGCMarkers; |
| | 82 | JS_EXPORTDATA extern unsigned opaqueRootMergeThreshold; |
| | 83 | |
| | 84 | void initializeOptions(); |
| | 85 | |
| | 86 | } } // namespace JSC::Options |
| | 87 | |
| | 88 | #endif // Options_h |
| | 89 | |
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