Attachment 341127 Details for Bug 185914 – patch for landing

[patch] patch for landing

blah.patch (text/plain), 23.42 KB, created by Filip Pizlo on 2018-05-23 14:05:35 PDT

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Creator: Filip Pizlo

Created: 2018-05-23 14:05:35 PDT

Size: 23.42 KB

patch

obsolete

>Index: Source/JavaScriptCore/ChangeLog
>===================================================================
>--- Source/JavaScriptCore/ChangeLog	(revision 232108)
>+++ Source/JavaScriptCore/ChangeLog	(working copy)
>@@ -1,3 +1,35 @@
>+2018-05-23  Filip Pizlo  <fpizlo@apple.com>
>+
>+        Speed up JetStream/base64
>+        https://bugs.webkit.org/show_bug.cgi?id=185914
>+
>+        Reviewed by Michael Saboff.
>+        
>+        Make allocation fast paths ALWAYS_INLINE.
>+        
>+        This is a 1% speed-up on SunSpider, mostly because of base64. It also speeds up pdfjs by
>+        ~6%.
>+
>+        * CMakeLists.txt:
>+        * JavaScriptCore.xcodeproj/project.pbxproj:
>+        * heap/AllocatorInlines.h:
>+        (JSC::Allocator::allocate const):
>+        * heap/CompleteSubspace.cpp:
>+        (JSC::CompleteSubspace::allocateNonVirtual): Deleted.
>+        * heap/CompleteSubspace.h:
>+        * heap/CompleteSubspaceInlines.h: Added.
>+        (JSC::CompleteSubspace::allocateNonVirtual):
>+        * heap/FreeListInlines.h:
>+        (JSC::FreeList::allocate):
>+        * heap/IsoSubspace.cpp:
>+        (JSC::IsoSubspace::allocateNonVirtual): Deleted.
>+        * heap/IsoSubspace.h:
>+        (JSC::IsoSubspace::allocatorForNonVirtual):
>+        * heap/IsoSubspaceInlines.h: Added.
>+        (JSC::IsoSubspace::allocateNonVirtual):
>+        * runtime/JSCellInlines.h:
>+        * runtime/VM.h:
>+
> 2018-05-22  Yusuke Suzuki  <utatane.tea@gmail.com>
> 
>         [JSC] Clean up stringGetByValStubGenerator
>Index: Source/JavaScriptCore/CMakeLists.txt
>===================================================================
>--- Source/JavaScriptCore/CMakeLists.txt	(revision 232104)
>+++ Source/JavaScriptCore/CMakeLists.txt	(working copy)
>@@ -490,6 +490,7 @@ set(JavaScriptCore_PRIVATE_FRAMEWORK_HEA
>     heap/AlignedMemoryAllocator.h
>     heap/AllocationFailureMode.h
>     heap/Allocator.h
>+    heap/AllocatorInlines.h
>     heap/AllocatorForMode.h
>     heap/BlockDirectory.h
>     heap/BlockDirectoryInlines.h
>@@ -500,6 +501,7 @@ set(JavaScriptCore_PRIVATE_FRAMEWORK_HEA
>     heap/CollectionScope.h
>     heap/CollectorPhase.h
>     heap/CompleteSubspace.h
>+    heap/CompleteSubspaceInlines.h
>     heap/ConstraintConcurrency.h
>     heap/ConstraintParallelism.h
>     heap/ConstraintVolatility.h
>@@ -533,10 +535,12 @@ set(JavaScriptCore_PRIVATE_FRAMEWORK_HEA
>     heap/IncrementalSweeper.h
>     heap/IsoCellSet.h
>     heap/IsoSubspace.h
>+    heap/IsoSubspaceInlines.h
>     heap/IsoSubspacePerVM.h
>     heap/LargeAllocation.h
>     heap/ListableHandler.h
>     heap/LocalAllocator.h
>+    heap/LocalAllocatorInlines.h
>     heap/LockDuringMarking.h
>     heap/MachineStackMarker.h
>     heap/MarkStack.h
>Index: Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj
>===================================================================
>--- Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj	(revision 232104)
>+++ Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj	(working copy)
>@@ -394,9 +394,9 @@
> 		0F725CAA1C503DED00AD943A /* B3PureCSE.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F725CA61C503DED00AD943A /* B3PureCSE.h */; };
> 		0F725CB01C506D3B00AD943A /* B3FoldPathConstants.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F725CAE1C506D3B00AD943A /* B3FoldPathConstants.h */; };
> 		0F74B93B1F89614800B935D3 /* PrototypeKey.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F74B93A1F89614500B935D3 /* PrototypeKey.h */; settings = {ATTRIBUTES = (Private, ); }; };
>-		0F75A060200D260B0038E2CF /* LocalAllocatorInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F75A05A200D25F00038E2CF /* LocalAllocatorInlines.h */; };
>+		0F75A060200D260B0038E2CF /* LocalAllocatorInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F75A05A200D25F00038E2CF /* LocalAllocatorInlines.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		0F75A061200D26180038E2CF /* LocalAllocator.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F75A057200D25F00038E2CF /* LocalAllocator.h */; settings = {ATTRIBUTES = (Private, ); }; };
>-		0F75A062200D261D0038E2CF /* AllocatorInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F75A05D200D25F10038E2CF /* AllocatorInlines.h */; };
>+		0F75A062200D261D0038E2CF /* AllocatorInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F75A05D200D25F10038E2CF /* AllocatorInlines.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		0F75A063200D261F0038E2CF /* Allocator.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F75A054200D25EF0038E2CF /* Allocator.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		0F75A0662013E4F10038E2CF /* JITAllocator.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F75A0652013E4EF0038E2CF /* JITAllocator.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		0F766D2C15A8CC3A008F363E /* JITStubRoutineSet.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F766D2A15A8CC34008F363E /* JITStubRoutineSet.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -546,6 +546,8 @@
> 		0FD0E5F01E46BF250006AB08 /* RegisterState.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FD0E5EF1E46BF230006AB08 /* RegisterState.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		0FD0E5F21E46C8AF0006AB08 /* CollectingScope.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FD0E5F11E46C8AD0006AB08 /* CollectingScope.h */; };
> 		0FD2C92416D01EE900C7803F /* StructureInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FD2C92316D01EE900C7803F /* StructureInlines.h */; settings = {ATTRIBUTES = (Private, ); }; };
>+		0FD2FD9420B52BDE00F09441 /* CompleteSubspaceInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FD2FD9320B52BDD00F09441 /* CompleteSubspaceInlines.h */; settings = {ATTRIBUTES = (Private, ); }; };
>+		0FD2FD9520B52BE200F09441 /* IsoSubspaceInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FD2FD9220B52BDC00F09441 /* IsoSubspaceInlines.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		0FD3C82814115D4F00FD81CB /* DFGDriver.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FD3C82214115D0E00FD81CB /* DFGDriver.h */; };
> 		0FD3E4021B618AAF00C80E1E /* DFGAdaptiveInferredPropertyValueWatchpoint.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FD3E4001B618AAF00C80E1E /* DFGAdaptiveInferredPropertyValueWatchpoint.h */; };
> 		0FD3E40A1B618B6600C80E1E /* ObjectPropertyCondition.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FD3E4041B618B6600C80E1E /* ObjectPropertyCondition.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -2705,6 +2707,8 @@
> 		0FD0E5EF1E46BF230006AB08 /* RegisterState.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RegisterState.h; sourceTree = "<group>"; };
> 		0FD0E5F11E46C8AD0006AB08 /* CollectingScope.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CollectingScope.h; sourceTree = "<group>"; };
> 		0FD2C92316D01EE900C7803F /* StructureInlines.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = StructureInlines.h; sourceTree = "<group>"; };
>+		0FD2FD9220B52BDC00F09441 /* IsoSubspaceInlines.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IsoSubspaceInlines.h; sourceTree = "<group>"; };
>+		0FD2FD9320B52BDD00F09441 /* CompleteSubspaceInlines.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CompleteSubspaceInlines.h; sourceTree = "<group>"; };
> 		0FD3C82014115CF800FD81CB /* DFGDriver.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = DFGDriver.cpp; path = dfg/DFGDriver.cpp; sourceTree = "<group>"; };
> 		0FD3C82214115D0E00FD81CB /* DFGDriver.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = DFGDriver.h; path = dfg/DFGDriver.h; sourceTree = "<group>"; };
> 		0FD3E3FF1B618AAF00C80E1E /* DFGAdaptiveInferredPropertyValueWatchpoint.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = DFGAdaptiveInferredPropertyValueWatchpoint.cpp; path = dfg/DFGAdaptiveInferredPropertyValueWatchpoint.cpp; sourceTree = "<group>"; };
>@@ -5635,6 +5639,7 @@
> 				0FD0E5E61E43D3470006AB08 /* CollectorPhase.h */,
> 				0FDCE1271FAFA859006F3901 /* CompleteSubspace.cpp */,
> 				0FDCE1281FAFA859006F3901 /* CompleteSubspace.h */,
>+				0FD2FD9320B52BDD00F09441 /* CompleteSubspaceInlines.h */,
> 				146B14DB12EB5B12001BEC1B /* ConservativeRoots.cpp */,
> 				149DAAF212EB559D0083B12B /* ConservativeRoots.h */,
> 				0F41545A1FD20B1F001B58F6 /* ConstraintConcurrency.h */,
>@@ -5710,6 +5715,7 @@
> 				0FB4677B1FDDA6D8003FCB09 /* IsoCellSetInlines.h */,
> 				0FDCE12C1FAFB4DE006F3901 /* IsoSubspace.cpp */,
> 				0FDCE12B1FAFB4DE006F3901 /* IsoSubspace.h */,
>+				0FD2FD9220B52BDC00F09441 /* IsoSubspaceInlines.h */,
> 				0F5E0FE62086AD470097F0DE /* IsoSubspacePerVM.cpp */,
> 				0F5E0FE52086AD460097F0DE /* IsoSubspacePerVM.h */,
> 				0F766D2915A8CC34008F363E /* JITStubRoutineSet.cpp */,
>@@ -8315,6 +8321,7 @@
> 				0F4C91661C29F4F2004341A6 /* B3OriginDump.h in Headers */,
> 				0FEC85261BDACDAC0080FF74 /* B3PatchpointSpecial.h in Headers */,
> 				0FEC85281BDACDAC0080FF74 /* B3PatchpointValue.h in Headers */,
>+				0FD2FD9520B52BE200F09441 /* IsoSubspaceInlines.h in Headers */,
> 				799EF7C41C56ED96002B0534 /* B3PCToOriginMap.h in Headers */,
> 				0FEC852A1BDACDAC0080FF74 /* B3PhaseScope.h in Headers */,
> 				0F37308D1C0BD29100052BFA /* B3PhiChildren.h in Headers */,
>@@ -8949,6 +8956,7 @@
> 				BC18C4140E16F5CD00B34460 /* JavaScriptCore.h in Headers */,
> 				BC18C4150E16F5CD00B34460 /* JavaScriptCorePrefix.h in Headers */,
> 				1429D9300ED22D7000B89619 /* JIT.h in Headers */,
>+				0FD2FD9420B52BDE00F09441 /* CompleteSubspaceInlines.h in Headers */,
> 				FE1220271BE7F58C0039E6F2 /* JITAddGenerator.h in Headers */,
> 				0F75A0662013E4F10038E2CF /* JITAllocator.h in Headers */,
> 				FE3A06B21C10CB8900390FDD /* JITBitAndGenerator.h in Headers */,
>Index: Source/JavaScriptCore/heap/AllocatorInlines.h
>===================================================================
>--- Source/JavaScriptCore/heap/AllocatorInlines.h	(revision 232104)
>+++ Source/JavaScriptCore/heap/AllocatorInlines.h	(working copy)
>@@ -30,7 +30,7 @@
> 
> namespace JSC {
> 
>-inline void* Allocator::allocate(GCDeferralContext* context, AllocationFailureMode mode) const
>+ALWAYS_INLINE void* Allocator::allocate(GCDeferralContext* context, AllocationFailureMode mode) const
> {
>     return m_localAllocator->allocate(context, mode);
> }
>Index: Source/JavaScriptCore/heap/CompleteSubspace.cpp
>===================================================================
>--- Source/JavaScriptCore/heap/CompleteSubspace.cpp	(revision 232104)
>+++ Source/JavaScriptCore/heap/CompleteSubspace.cpp	(working copy)
>@@ -57,13 +57,6 @@ void* CompleteSubspace::allocate(VM& vm,
>     return allocateNonVirtual(vm, size, deferralContext, failureMode);
> }
> 
>-void* CompleteSubspace::allocateNonVirtual(VM& vm, size_t size, GCDeferralContext* deferralContext, AllocationFailureMode failureMode)
>-{
>-    if (Allocator allocator = allocatorForNonVirtual(size, AllocatorForMode::AllocatorIfExists))
>-        return allocator.allocate(deferralContext, failureMode);
>-    return allocateSlow(vm, size, deferralContext, failureMode);
>-}
>-
> Allocator CompleteSubspace::allocatorForSlow(size_t size)
> {
>     size_t index = MarkedSpace::sizeClassToIndex(size);
>Index: Source/JavaScriptCore/heap/CompleteSubspace.h
>===================================================================
>--- Source/JavaScriptCore/heap/CompleteSubspace.h	(revision 232104)
>+++ Source/JavaScriptCore/heap/CompleteSubspace.h	(working copy)
>@@ -43,17 +43,17 @@ public:
>     Allocator allocatorForNonVirtual(size_t, AllocatorForMode);
>     
>     void* allocate(VM&, size_t, GCDeferralContext*, AllocationFailureMode) override;
>-    JS_EXPORT_PRIVATE void* allocateNonVirtual(VM&, size_t, GCDeferralContext*, AllocationFailureMode);
>+    void* allocateNonVirtual(VM&, size_t, GCDeferralContext*, AllocationFailureMode);
>     
>     static ptrdiff_t offsetOfAllocatorForSizeStep() { return OBJECT_OFFSETOF(CompleteSubspace, m_allocatorForSizeStep); }
>     
>     Allocator* allocatorForSizeStep() { return &m_allocatorForSizeStep[0]; }
> 
> private:
>-    Allocator allocatorForSlow(size_t);
>+    JS_EXPORT_PRIVATE Allocator allocatorForSlow(size_t);
>     
>     // These slow paths are concerned with large allocations and allocator creation.
>-    void* allocateSlow(VM&, size_t, GCDeferralContext*, AllocationFailureMode);
>+    JS_EXPORT_PRIVATE void* allocateSlow(VM&, size_t, GCDeferralContext*, AllocationFailureMode);
>     void* tryAllocateSlow(VM&, size_t, GCDeferralContext*);
>     
>     std::array<Allocator, MarkedSpace::numSizeClasses> m_allocatorForSizeStep;
>Index: Source/JavaScriptCore/heap/CompleteSubspaceInlines.h
>===================================================================
>--- Source/JavaScriptCore/heap/CompleteSubspaceInlines.h	(nonexistent)
>+++ Source/JavaScriptCore/heap/CompleteSubspaceInlines.h	(working copy)
>@@ -0,0 +1,38 @@
>+/*
>+ * Copyright (C) 2018 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. 
>+ */
>+
>+#pragma once
>+
>+namespace JSC {
>+
>+ALWAYS_INLINE void* CompleteSubspace::allocateNonVirtual(VM& vm, size_t size, GCDeferralContext* deferralContext, AllocationFailureMode failureMode)
>+{
>+    if (Allocator allocator = allocatorForNonVirtual(size, AllocatorForMode::AllocatorIfExists))
>+        return allocator.allocate(deferralContext, failureMode);
>+    return allocateSlow(vm, size, deferralContext, failureMode);
>+}
>+
>+} // namespace JSC
>+
>Index: Source/JavaScriptCore/heap/FreeListInlines.h
>===================================================================
>--- Source/JavaScriptCore/heap/FreeListInlines.h	(revision 232104)
>+++ Source/JavaScriptCore/heap/FreeListInlines.h	(working copy)
>@@ -31,7 +31,7 @@
> namespace JSC {
> 
> template<typename Func>
>-HeapCell* FreeList::allocate(const Func& slowPath)
>+ALWAYS_INLINE HeapCell* FreeList::allocate(const Func& slowPath)
> {
>     unsigned remaining = m_remaining;
>     if (remaining) {
>Index: Source/JavaScriptCore/heap/IsoSubspace.cpp
>===================================================================
>--- Source/JavaScriptCore/heap/IsoSubspace.cpp	(revision 232104)
>+++ Source/JavaScriptCore/heap/IsoSubspace.cpp	(working copy)
>@@ -63,14 +63,6 @@ void* IsoSubspace::allocate(VM& vm, size
>     return allocateNonVirtual(vm, size, deferralContext, failureMode);
> }
> 
>-void* IsoSubspace::allocateNonVirtual(VM&, size_t size, GCDeferralContext* deferralContext, AllocationFailureMode failureMode)
>-{
>-    RELEASE_ASSERT(size == this->size());
>-    Allocator allocator = allocatorForNonVirtual(size, AllocatorForMode::MustAlreadyHaveAllocator);
>-    void* result = allocator.allocate(deferralContext, failureMode);
>-    return result;
>-}
>-
> void IsoSubspace::didResizeBits(size_t blockIndex)
> {
>     m_cellSets.forEach(
>Index: Source/JavaScriptCore/heap/IsoSubspace.h
>===================================================================
>--- Source/JavaScriptCore/heap/IsoSubspace.h	(revision 232104)
>+++ Source/JavaScriptCore/heap/IsoSubspace.h	(working copy)
>@@ -45,7 +45,7 @@ public:
>     Allocator allocatorForNonVirtual(size_t, AllocatorForMode);
> 
>     void* allocate(VM&, size_t, GCDeferralContext*, AllocationFailureMode) override;
>-    JS_EXPORT_PRIVATE void* allocateNonVirtual(VM&, size_t, GCDeferralContext*, AllocationFailureMode);
>+    void* allocateNonVirtual(VM&, size_t, GCDeferralContext*, AllocationFailureMode);
> 
> private:
>     friend class IsoCellSet;
>@@ -61,7 +61,7 @@ private:
>     SentinelLinkedList<IsoCellSet, BasicRawSentinelNode<IsoCellSet>> m_cellSets;
> };
> 
>-inline Allocator IsoSubspace::allocatorForNonVirtual(size_t size, AllocatorForMode)
>+ALWAYS_INLINE Allocator IsoSubspace::allocatorForNonVirtual(size_t size, AllocatorForMode)
> {
>     RELEASE_ASSERT(size == this->size());
>     return Allocator(&m_localAllocator);
>Index: Source/JavaScriptCore/heap/IsoSubspaceInlines.h
>===================================================================
>--- Source/JavaScriptCore/heap/IsoSubspaceInlines.h	(nonexistent)
>+++ Source/JavaScriptCore/heap/IsoSubspaceInlines.h	(working copy)
>@@ -0,0 +1,39 @@
>+/*
>+ * Copyright (C) 2018 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. 
>+ */
>+
>+#pragma once
>+
>+namespace JSC {
>+
>+ALWAYS_INLINE void* IsoSubspace::allocateNonVirtual(VM&, size_t size, GCDeferralContext* deferralContext, AllocationFailureMode failureMode)
>+{
>+    RELEASE_ASSERT(size == this->size());
>+    Allocator allocator = allocatorForNonVirtual(size, AllocatorForMode::MustAlreadyHaveAllocator);
>+    void* result = allocator.allocate(deferralContext, failureMode);
>+    return result;
>+}
>+
>+} // namespace JSC
>+
>Index: Source/JavaScriptCore/runtime/JSCellInlines.h
>===================================================================
>--- Source/JavaScriptCore/runtime/JSCellInlines.h	(revision 232104)
>+++ Source/JavaScriptCore/runtime/JSCellInlines.h	(working copy)
>@@ -25,14 +25,19 @@
> 
> #pragma once
> 
>+#include "AllocatorInlines.h"
>+#include "CompleteSubspaceInlines.h"
> #include "CPU.h"
> #include "CallFrame.h"
> #include "DeferGC.h"
>+#include "FreeListInlines.h"
> #include "Handle.h"
>+#include "IsoSubspaceInlines.h"
> #include "JSCast.h"
> #include "JSDestructibleObject.h"
> #include "JSObject.h"
> #include "JSString.h"
>+#include "LocalAllocatorInlines.h"
> #include "MarkedBlock.h"
> #include "Structure.h"
> #include "Symbol.h"
>Index: Source/JavaScriptCore/runtime/JSString.cpp
>===================================================================
>--- Source/JavaScriptCore/runtime/JSString.cpp	(revision 232104)
>+++ Source/JavaScriptCore/runtime/JSString.cpp	(working copy)
>@@ -295,7 +295,7 @@ void JSRopeString::resolveRope(ExecState
> // we would likely have to place all of the constituent StringImpls into the
> // Vector before performing any concatenation, but by working backwards we likely
> // only fill the queue with the number of substrings at any given level in a
>-// rope-of-ropes.)    
>+// rope-of-ropes.)
> void JSRopeString::resolveRopeSlowCase8(LChar* buffer) const
> {
>     LChar* position = buffer + length(); // We will be working backwards over the rope.
>Index: Source/JavaScriptCore/runtime/VM.h
>===================================================================
>--- Source/JavaScriptCore/runtime/VM.h	(revision 232104)
>+++ Source/JavaScriptCore/runtime/VM.h	(working copy)
>@@ -950,7 +950,7 @@ inline Heap* WeakSet::heap() const
> extern "C" void sanitizeStackForVMImpl(VM*);
> #endif
> 
>-void sanitizeStackForVM(VM*);
>+JS_EXPORT_PRIVATE void sanitizeStackForVM(VM*);
> void logSanitizeStack(VM*);
> 
> } // namespace JSC
>Index: Source/WTF/ChangeLog
>===================================================================
>--- Source/WTF/ChangeLog	(revision 232104)
>+++ Source/WTF/ChangeLog	(working copy)
>@@ -1,3 +1,18 @@
>+2018-05-23  Filip Pizlo  <fpizlo@apple.com>
>+
>+        Speed up JetStream/base64
>+        https://bugs.webkit.org/show_bug.cgi?id=185914
>+
>+        Reviewed by Michael Saboff.
>+        
>+        Make Vector<>::append ALWAYS_INLINE.
>+
>+        * wtf/Vector.h:
>+        (WTF::Vector::append):
>+        (WTF::minCapacity>::expandCapacity):
>+        (WTF::minCapacity>::append):
>+        (WTF::minCapacity>::tryAppend):
>+
> 2018-05-22  Mark Lam  <mark.lam@apple.com>
> 
>         StringImpl utf8 conversion should not fail silently.
>Index: Source/WTF/wtf/Vector.h
>===================================================================
>--- Source/WTF/wtf/Vector.h	(revision 232104)
>+++ Source/WTF/wtf/Vector.h	(working copy)
>@@ -758,7 +758,7 @@ public:
> 
>     void clear() { shrinkCapacity(0); }
> 
>-    void append(ValueType&& value) { append<ValueType>(std::forward<ValueType>(value)); }
>+    ALWAYS_INLINE void append(ValueType&& value) { append<ValueType>(std::forward<ValueType>(value)); }
>     template<typename U> void append(U&&);
>     template<typename... Args> void constructAndAppend(Args&&...);
>     template<typename... Args> bool tryConstructAndAppend(Args&&...);
>@@ -1032,7 +1032,7 @@ void Vector<T, inlineCapacity, OverflowH
> }
> 
> template<typename T, size_t inlineCapacity, typename OverflowHandler, size_t minCapacity>
>-T* Vector<T, inlineCapacity, OverflowHandler, minCapacity>::expandCapacity(size_t newMinCapacity, T* ptr)
>+NEVER_INLINE T* Vector<T, inlineCapacity, OverflowHandler, minCapacity>::expandCapacity(size_t newMinCapacity, T* ptr)
> {
>     if (ptr < begin() || ptr >= end()) {
>         expandCapacity(newMinCapacity);
>@@ -1244,7 +1244,7 @@ void Vector<T, inlineCapacity, OverflowH
> 
> template<typename T, size_t inlineCapacity, typename OverflowHandler, size_t minCapacity>
> template<typename U>
>-void Vector<T, inlineCapacity, OverflowHandler, minCapacity>::append(const U* data, size_t dataSize)
>+ALWAYS_INLINE void Vector<T, inlineCapacity, OverflowHandler, minCapacity>::append(const U* data, size_t dataSize)
> {
>     size_t newSize = m_size + dataSize;
>     if (newSize > capacity()) {
>@@ -1261,7 +1261,7 @@ void Vector<T, inlineCapacity, OverflowH
> 
> template<typename T, size_t inlineCapacity, typename OverflowHandler, size_t minCapacity>
> template<typename U>
>-bool Vector<T, inlineCapacity, OverflowHandler, minCapacity>::tryAppend(const U* data, size_t dataSize)
>+ALWAYS_INLINE bool Vector<T, inlineCapacity, OverflowHandler, minCapacity>::tryAppend(const U* data, size_t dataSize)
> {
>     size_t newSize = m_size + dataSize;
>     if (newSize > capacity()) {

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Attachments on bug 185914: 341091 | 341116 | 341125 | 341127