- 07 Nov, 2017 1 commit
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Yang Guo authored
This change - adds new maps for elements, global, and named dictionaries. - adds support to embed these dictionaries in the startup snapshot. - adds support to embed these dictionaries in the code cache. - refactors the rehashing logic. TBR=mstarzinger@chromium.org, ishell@chromium.org, jgruber@chromium.org Bug: v8:6593 Change-Id: I2455fe2a9cc6e93247940de99de5f124c2ada137 Reviewed-on: https://chromium-review.googlesource.com/756693Reviewed-by:
Yang Guo <yangguo@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#49167}
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- 06 Nov, 2017 2 commits
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Adam Klein authored
This reverts commit 3877bf6f. Reason for revert: failed compilation on Win64/clang: https://build.chromium.org/p/client.v8/builders/V8%20Win64%20-%20clang/builds/9015 Original change's description: > Snapshot: support rehashing property and element dictionaries. > > This change > - adds new maps for elements, global, and named dictionaries. > - adds support to embed these dictionaries in the startup snapshot. > - adds support to embed these dictionaries in the code cache. > - refactors the rehashing logic. > > R=ishell@chromium.org, jgruber@chromium.org, mstarzinger@chromium.org > > Bug: v8:6593 > Change-Id: I8d9a7ba7145f1af4e6e15301a4d5611f07c77f33 > Reviewed-on: https://chromium-review.googlesource.com/753323 > Reviewed-by: Igor Sheludko <ishell@chromium.org> > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > Commit-Queue: Yang Guo <yangguo@chromium.org> > Cr-Commit-Position: refs/heads/master@{#49155} TBR=yangguo@chromium.org,mstarzinger@chromium.org,jgruber@chromium.org,ishell@chromium.org Change-Id: I0b45d2d07da97b9a7953abf4ad24eec4ea944306 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:6593 Reviewed-on: https://chromium-review.googlesource.com/755493Reviewed-by:
Adam Klein <adamk@chromium.org> Commit-Queue: Adam Klein <adamk@chromium.org> Cr-Commit-Position: refs/heads/master@{#49156}
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Yang Guo authored
This change - adds new maps for elements, global, and named dictionaries. - adds support to embed these dictionaries in the startup snapshot. - adds support to embed these dictionaries in the code cache. - refactors the rehashing logic. R=ishell@chromium.org, jgruber@chromium.org, mstarzinger@chromium.org Bug: v8:6593 Change-Id: I8d9a7ba7145f1af4e6e15301a4d5611f07c77f33 Reviewed-on: https://chromium-review.googlesource.com/753323Reviewed-by:
Igor Sheludko <ishell@chromium.org> Reviewed-by:
Michael Starzinger <mstarzinger@chromium.org> Reviewed-by:
Jakob Gruber <jgruber@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#49155}
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- 28 Sep, 2017 1 commit
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Toon Verwaest authored
Bug: Change-Id: I6894c097a994527b5e749527966c5de6c42d964b Reviewed-on: https://chromium-review.googlesource.com/668405 Commit-Queue: Toon Verwaest <verwaest@chromium.org> Reviewed-by:
Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#48195}
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- 15 Sep, 2017 1 commit
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Ulan Degenbaev authored
Currently transition array targets have conditional weakness depending on the type of the target. Map targets are weak and all other targets are strong. This patch wraps maps in transitions arrays in weak cells, which allows us to treat all elements of transition arrays strongly. Conditional weakness is unsafe for concurrent marking because the condition can change during marking. Bug: chromium:694255 Change-Id: I64e5d0699698fc7c1758f3fbc52da43014c247af Reviewed-on: https://chromium-review.googlesource.com/641271 Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Jakob Kummerow <jkummerow@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#48034}
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- 11 Aug, 2017 1 commit
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Ulan Degenbaev authored
This allows handling transitions arrays in concurrent marking Bug: chromium:694255 Change-Id: I28196fccbf03bfba7d7dada1884813be372ddb54 Reviewed-on: https://chromium-review.googlesource.com/610961 Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#47303}
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- 28 Jul, 2017 1 commit
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Jakob Kummerow authored
in preparation for caching StoreIC-Transition handlers in there. This CL should not change behavior or performance. The TransitionArray class no longer serves a dual purpose; it is now simply the data structure serving that role. Further, it now supports storing transitioning handlers in its "target" slot, which in turn have a WeakCell pointing to the transition target (but this functionality is not being used yet). The interface for accessing a map's transitions, previously implemented as a set of static functions, is now handled by the TransitionsAccessor class. It distinguishes the following internal states: - kPrototypeInfo: map is a prototype map, will never cache any transitions. - kUninitialized: map can cache transitions, but doesn't have any. - kWeakCell: map caches a single transition, stored inline. Formerly known as "IsSimpleTransition". - kFullTransitionArray: map uses a TransitionArray to store transitions. - kTuple3Handler, kFixedArrayHandler: to be used in the future for caching transitioning handlers. Change-Id: If2aa68390981f96f317b958445a6e0b935c2a14e Reviewed-on: https://chromium-review.googlesource.com/550118Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Benedikt Meurer <bmeurer@chromium.org> Reviewed-by:
Igor Sheludko <ishell@chromium.org> Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#46981}
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- 24 Jul, 2017 1 commit
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Igor Sheludko authored
This reverts commit 6e27386d. Reason for revert: There will be another much simpler and back-mergeable fix. Original change's description: > Reland "[runtime] Add shortcuts for elements kinds transitions." > > This is a reland of b90e83f5 > Original change's description: > > [runtime] Add shortcuts for elements kinds transitions. > > > > The shortcuts ensure that field type generalization is properly > > propagated in the transition graph. > > > > Bug: chromium:738763 > > Change-Id: Id701a6f95ed6ea093c707fbe0bac228f1f856e9f > > Reviewed-on: https://chromium-review.googlesource.com/567992 > > Commit-Queue: Igor Sheludko <ishell@chromium.org> > > Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> > > Cr-Commit-Position: refs/heads/master@{#46622} > > Bug: chromium:738763, chromium:742346, chromium:742381, chromium:745844 > Change-Id: I93974e3906b2c7710bd525f15037a2dd97f263ad > Reviewed-on: https://chromium-review.googlesource.com/575227 > Commit-Queue: Igor Sheludko <ishell@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> > Cr-Commit-Position: refs/heads/master@{#46759} TBR=ulan@chromium.org,jkummerow@chromium.org,ishell@chromium.org # Not skipping CQ checks because original CL landed > 1 day ago. Bug: chromium:738763, chromium:742346, chromium:742381, chromium:745844 Change-Id: I203dc748c47db554e0a86d61f0e2b7b8b96f2370 Reviewed-on: https://chromium-review.googlesource.com/581547 Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by:
Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#46826}
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- 19 Jul, 2017 1 commit
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Igor Sheludko authored
This is a reland of b90e83f5 Original change's description: > [runtime] Add shortcuts for elements kinds transitions. > > The shortcuts ensure that field type generalization is properly > propagated in the transition graph. > > Bug: chromium:738763 > Change-Id: Id701a6f95ed6ea093c707fbe0bac228f1f856e9f > Reviewed-on: https://chromium-review.googlesource.com/567992 > Commit-Queue: Igor Sheludko <ishell@chromium.org> > Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> > Cr-Commit-Position: refs/heads/master@{#46622} Bug: chromium:738763, chromium:742346, chromium:742381, chromium:745844 Change-Id: I93974e3906b2c7710bd525f15037a2dd97f263ad Reviewed-on: https://chromium-review.googlesource.com/575227 Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#46759}
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- 18 Jul, 2017 1 commit
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Yang Guo authored
See https://goo.gl/6aN8xA Bug: v8:6593 Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng Change-Id: Ic8b0b57195d01d41591397d5d45de3f0f3ebc3d9 Reviewed-on: https://chromium-review.googlesource.com/574527Reviewed-by:
Camillo Bruni <cbruni@chromium.org> Reviewed-by:
Jakob Gruber <jgruber@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#46732}
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- 14 Jul, 2017 1 commit
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Michael Achenbach authored
This reverts commit b90e83f5. Reason for revert: Blocks roll: https://chromium-review.googlesource.com/c/570002/ Confirmed by: https://chromium-review.googlesource.com/c/571700/2 Original change's description: > [runtime] Add shortcuts for elements kinds transitions. > > The shortcuts ensure that field type generalization is properly > propagated in the transition graph. > > Bug: chromium:738763 > Change-Id: Id701a6f95ed6ea093c707fbe0bac228f1f856e9f > Reviewed-on: https://chromium-review.googlesource.com/567992 > Commit-Queue: Igor Sheludko <ishell@chromium.org> > Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> > Cr-Commit-Position: refs/heads/master@{#46622} TBR=jkummerow@chromium.org,ishell@chromium.org Change-Id: I5ede80db6bc209f16c6fd43f6bf3c8865c9577d8 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: chromium:738763 Reviewed-on: https://chromium-review.googlesource.com/571741Reviewed-by:
Michael Achenbach <machenbach@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#46660}
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- 13 Jul, 2017 1 commit
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Igor Sheludko authored
The shortcuts ensure that field type generalization is properly propagated in the transition graph. Bug: chromium:738763 Change-Id: Id701a6f95ed6ea093c707fbe0bac228f1f856e9f Reviewed-on: https://chromium-review.googlesource.com/567992 Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by:
Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#46622}
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- 07 Oct, 2016 3 commits
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jgruber authored
BUG= Committed: https://crrev.com/7db0ecdec3cf330766575cb7973b983f3f1e3020 Review-Url: https://codereview.chromium.org/2381843002 Cr-Original-Commit-Position: refs/heads/master@{#40080} Cr-Commit-Position: refs/heads/master@{#40087}
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jgruber authored
This reverts commit 7db0ecde. Manual revert since automatic revert is too large for the web interface. BUG= TBR=bmeurer@chromium.org,mstarzinger@chromium.org,yangguo@chromium.org,ahaas@chromium.org NOPRESUBMIT=true NOTREECHECKS=true Review-Url: https://codereview.chromium.org/2396353002 Cr-Commit-Position: refs/heads/master@{#40082}
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jgruber authored
BUG= Review-Url: https://codereview.chromium.org/2381843002 Cr-Commit-Position: refs/heads/master@{#40080}
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- 22 Apr, 2016 1 commit
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adamk authored
The feature was deprecated in M49 and flagged off in M50. This patch removes it entirely from the codebase. Review URL: https://codereview.chromium.org/1909433003 Cr-Commit-Position: refs/heads/master@{#35714}
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- 10 Mar, 2016 1 commit
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rossberg authored
R=mstarzinger@chromium.org,bmeurer@chromium.org,adamk@chromium.org BUG=v8:3956 LOG=Y Review URL: https://codereview.chromium.org/1773653002 Cr-Commit-Position: refs/heads/master@{#34669}
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- 18 Feb, 2016 1 commit
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verwaest authored
BUG= Review URL: https://codereview.chromium.org/1704353002 Cr-Commit-Position: refs/heads/master@{#34118}
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- 11 Dec, 2015 1 commit
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hpayer authored
BUG= Review URL: https://codereview.chromium.org/1513313003 Cr-Commit-Position: refs/heads/master@{#32790}
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- 10 Dec, 2015 1 commit
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ishell authored
Function subclasses did not have function properties installed (name, prototype, etc.). Now when an instance of a Function subclass is created it gets initial map that corresponds to the language mode of the function body. The language mode dependent maps are cached as special transitions on initial map of the subclass constructor. BUG=v8:4597, v8:3101, v8:3330 LOG=Y Review URL: https://codereview.chromium.org/1510753005 Cr-Commit-Position: refs/heads/master@{#32764}
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- 03 Dec, 2015 1 commit
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hpayer authored
Reland of Introduce instance type for transition arrays. (patchset #1 id:1 of https://codereview.chromium.org/1483003002/ ) Reason for revert: Suspect for crashing found, relanding for canary coverage. Original issue's description: > Revert of Introduce instance type for transition arrays. (patchset #6 id:100001 of https://codereview.chromium.org/1480873003/ ) > > Reason for revert: > Broken canary. Trying to find out root cause. > > Original issue's description: > > Introduce instance type for transition arrays. > > > > The motivation is to allow specialized marking visitor for transition arrays and collect all transition array in a list for post-processing in ClearNonLiveReferences. > > > > BUG=chromium:554488 > > LOG=NO > > > > Committed: https://crrev.com/026095a3c7932573e1810b8064ec3008ed696601 > > Cr-Commit-Position: refs/heads/master@{#32396} > > TBR=mlippautz@chromium.org,jkummerow@chromium.org,ulan@chromium.org > NOPRESUBMIT=true > NOTREECHECKS=true > NOTRY=true > BUG=chromium:554488 > > Committed: https://crrev.com/38bf70b9cd2a07b99ac0c0b7eda111849e79c146 > Cr-Commit-Position: refs/heads/master@{#32404} TBR=mlippautz@chromium.org,jkummerow@chromium.org,ulan@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=chromium:554488 Review URL: https://codereview.chromium.org/1500623002 Cr-Commit-Position: refs/heads/master@{#32561}
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- 30 Nov, 2015 2 commits
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hpayer authored
Revert of Introduce instance type for transition arrays. (patchset #6 id:100001 of https://codereview.chromium.org/1480873003/ ) Reason for revert: Broken canary. Trying to find out root cause. Original issue's description: > Introduce instance type for transition arrays. > > The motivation is to allow specialized marking visitor for transition arrays and collect all transition array in a list for post-processing in ClearNonLiveReferences. > > BUG=chromium:554488 > LOG=NO > > Committed: https://crrev.com/026095a3c7932573e1810b8064ec3008ed696601 > Cr-Commit-Position: refs/heads/master@{#32396} TBR=mlippautz@chromium.org,jkummerow@chromium.org,ulan@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=chromium:554488 Review URL: https://codereview.chromium.org/1483003002 Cr-Commit-Position: refs/heads/master@{#32404}
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ulan authored
The motivation is to allow specialized marking visitor for transition arrays and collect all transition array in a list for post-processing in ClearNonLiveReferences. BUG=chromium:554488 LOG=NO Review URL: https://codereview.chromium.org/1480873003 Cr-Commit-Position: refs/heads/master@{#32396}
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- 25 Nov, 2015 1 commit
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hpayer authored
BUG= Review URL: https://codereview.chromium.org/1472393002 Cr-Commit-Position: refs/heads/master@{#32297}
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- 30 Sep, 2015 1 commit
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mstarzinger authored
This enables linter checking for "readability/namespace" violations during presubmit and instead marks the few known exceptions that we allow explicitly. R=bmeurer@chromium.org Review URL: https://codereview.chromium.org/1371083003 Cr-Commit-Position: refs/heads/master@{#31019}
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- 18 Jun, 2015 1 commit
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ulan authored
Revert of Replace ad-hoc weakness in transition array with WeakCell. (patchset #5 id:80001 of https://codereview.chromium.org/1157943003/) Reason for revert: Breaks descriptor array clearing. Original issue's description: > Replace ad-hoc weakness in transition array with WeakCell. > > BUG= > > Committed: https://crrev.com/885455e99de817f86a0b5df2dc0d932cfc179749 > Cr-Commit-Position: refs/heads/master@{#29083} TBR=jkummerow@chromium.org,hpayer@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG= Review URL: https://codereview.chromium.org/1194673002 Cr-Commit-Position: refs/heads/master@{#29121}
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- 17 Jun, 2015 1 commit
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ulan authored
BUG= Review URL: https://codereview.chromium.org/1157943003 Cr-Commit-Position: refs/heads/master@{#29083}
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- 06 Mar, 2015 1 commit
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jkummerow authored
Original issue: https://codereview.chromium.org/980573002/ Simple transitions are now stored in a map's "transitions" field (as a WeakCell wrapping the target map); full TransitionArrays are used when that's not sufficient. To encapsulate these storage format implementation details, functions for manipulating and querying transitions have been refactored to be static functions on the TransitionArray class, and take maps as inputs. Review URL: https://codereview.chromium.org/988703002 Cr-Commit-Position: refs/heads/master@{#27044}
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- 05 Mar, 2015 2 commits
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jkummerow authored
Revert of Simplify and compact transitions storage (patchset #4 id:80001 of https://codereview.chromium.org/980573002/) Reason for revert: x64 test failures Original issue's description: > Simplify and compact transitions storage > > Simple transitions are now stored in a map's "transitions" field (as a WeakCell wrapping the target map); full TransitionArrays are used when that's not sufficient. > To encapsulate these storage format implementation details, functions for manipulating and querying transitions have been refactored to be static functions on the TransitionArray class, and take maps as inputs. > > Committed: https://crrev.com/45fbef7f2252fce10634931cb103ccc1fc95ae6a > Cr-Commit-Position: refs/heads/master@{#27029} TBR=verwaest@chromium.org,ulan@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true Review URL: https://codereview.chromium.org/982143002 Cr-Commit-Position: refs/heads/master@{#27030}
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jkummerow authored
Simple transitions are now stored in a map's "transitions" field (as a WeakCell wrapping the target map); full TransitionArrays are used when that's not sufficient. To encapsulate these storage format implementation details, functions for manipulating and querying transitions have been refactored to be static functions on the TransitionArray class, and take maps as inputs. Review URL: https://codereview.chromium.org/980573002 Cr-Commit-Position: refs/heads/master@{#27029}
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- 12 Dec, 2014 1 commit
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ishell authored
Review URL: https://codereview.chromium.org/801813002 Cr-Commit-Position: refs/heads/master@{#25802}
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- 10 Dec, 2014 2 commits
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adamk authored
They both now run fast (due to utilizing transitions instead of always creating new maps) and sealed or non-extensible objects can stay in fast mode after transitioning. This almost entirely reuses the code for transitioning objects frozen by Object.freeze(), with the added benefit of freeing up a bit on the map (we no longer keep track of frozen-ness, as that bit wasn't used for anything interesting). BUG=v8:3662,chromium:115960 LOG=y Review URL: https://codereview.chromium.org/776143005 Cr-Commit-Position: refs/heads/master@{#25759}
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ishell authored
Reland of "TransitionArray now uses <is_data_property, name, attributes> tuple as a key, which allows to have several entries for the same property name." Review URL: https://codereview.chromium.org/793453004 Cr-Commit-Position: refs/heads/master@{#25750}
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- 24 Nov, 2014 1 commit
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ishell authored
Review URL: https://codereview.chromium.org/739013004 Cr-Commit-Position: refs/heads/master@{#25482}
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- 13 Nov, 2014 2 commits
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ishell@chromium.org authored
This reverts the commit because it possibly causes renderer hangs. BUG=chromium:431807 LOG=N R=verwaest@chromium.org Review URL: https://codereview.chromium.org/725633002 Cr-Commit-Position: refs/heads/master@{#25338}
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ishell@chromium.org authored
Revert "TransitionArray now uses <is_data_property, name, attributes> tuple as a key, which allows to have several entries for the same property name." Revert "Fix for an assertion failure in Map::FindTransitionToField(...). Appeared after r25136." This revert is made in order to revert r25099 which potentially causes renderer hangs. R=verwaest@chromium.org Review URL: https://codereview.chromium.org/722873004 Cr-Commit-Position: refs/heads/master@{#25332}
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- 05 Nov, 2014 1 commit
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ishell@chromium.org authored
TransitionArray now uses <is_data_property, name, attributes> tuple as a key, which allows to have several entries for the same property name. R=verwaest@chromium.org Review URL: https://codereview.chromium.org/661133002 Cr-Commit-Position: refs/heads/master@{#25136} git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25136 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 04 Nov, 2014 1 commit
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ishell@chromium.org authored
This is a prerequisite for https://codereview.chromium.org/661133002/. R=verwaest@chromium.org Review URL: https://codereview.chromium.org/698043003 Cr-Commit-Position: refs/heads/master@{#25099} git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25099 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 03 Nov, 2014 1 commit
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ishell@chromium.org authored
BUG=chromium:427813 LOG=N R=verwaest@chromium.org Review URL: https://codereview.chromium.org/676393002 Cr-Commit-Position: refs/heads/master@{#25082} git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25082 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 27 Oct, 2014 1 commit
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verwaest@chromium.org authored
Revert "Limit the number of transitions allowed per hidden class." Due to crashes in ClearMapTransitions BUG= R=ishell@chromium.org Review URL: https://codereview.chromium.org/661583004 Cr-Commit-Position: refs/heads/master@{#24900} git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24900 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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