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  1. 27 Jun, 2018 4 commits
    • Dominik Inführ's avatar
      Reland "Reland "[heap] Visit individual ephemerons instead of collections"" · 5cb08217
      Dominik Inführ authored 
      This is a reland of 91f113e2

Original change's description:
> Reland "[heap] Visit individual ephemerons instead of collections"
> 
> This is a reland of 9aba0159
> 
> Original change's description:
> > [heap] Visit individual ephemerons instead of collections
> > 
> > When marking ephemerons visit individual ephemerons with key and value
> > unreachable instead of simply iterating all ephemerons in all weak
> > collections. Also visit ephemerons at end of concurrent marking to do
> > work we would otherwise need to do in the atomic pause.
> > 
> > Bug: chromium:844008
> > Change-Id: I3400ad1f81c0cdc0fe6506a1f1146a6743a7fcd7
> > Reviewed-on: https://chromium-review.googlesource.com/1113934
> > Commit-Queue: Dominik Inführ <dinfuehr@google.com>
> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#54039}
> 
> Bug: chromium:844008
> Change-Id: I4c44e74c7cf5fe380ffa4ce9f106bebb57bc023d
> Reviewed-on: https://chromium-review.googlesource.com/1116438
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Commit-Queue: Dominik Inführ <dinfuehr@google.com>
> Cr-Commit-Position: refs/heads/master@{#54046}

Bug: chromium:844008
Change-Id: Ie9d606c51aacdfa9ffe77fe4cf780e30dd445d52
Reviewed-on: https://chromium-review.googlesource.com/1116639Reviewed-by: 's avatarUlan Degenbaev <ulan@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@google.com>
Cr-Commit-Position: refs/heads/master@{#54053}
      5cb08217
    • Dominik Inführ's avatar
      Revert "Reland "[heap] Visit individual ephemerons instead of collections"" · 265d5c24
      Dominik Inführ authored 
      This reverts commit 91f113e2.

Reason for revert: still causes breakage on Chromium-integrated builds, failing here:

  CHECK_EQ(0, heap()->local_embedder_heap_tracer()->NumberOfWrappersToTrace());

Original change's description:
> Reland "[heap] Visit individual ephemerons instead of collections"
>
> This is a reland of 9aba0159
>
> Original change's description:
> > [heap] Visit individual ephemerons instead of collections
> >
> > When marking ephemerons visit individual ephemerons with key and value
> > unreachable instead of simply iterating all ephemerons in all weak
> > collections. Also visit ephemerons at end of concurrent marking to do
> > work we would otherwise need to do in the atomic pause.
> >
> > Bug: chromium:844008
> > Change-Id: I3400ad1f81c0cdc0fe6506a1f1146a6743a7fcd7
> > Reviewed-on: https://chromium-review.googlesource.com/1113934
> > Commit-Queue: Dominik Inführ <dinfuehr@google.com>
> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#54039}
>
> Bug: chromium:844008
> Change-Id: I4c44e74c7cf5fe380ffa4ce9f106bebb57bc023d
> Reviewed-on: https://chromium-review.googlesource.com/1116438
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Commit-Queue: Dominik Inführ <dinfuehr@google.com>
> Cr-Commit-Position: refs/heads/master@{#54046}

TBR=ulan@chromium.org,dinfuehr@google.com

Change-Id: I4a059e86ba06e0b2562afc311b12d397cd78e857
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:844008
Reviewed-on: https://chromium-review.googlesource.com/1116718Reviewed-by: 's avatarSigurd Schneider <sigurds@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54047}
      265d5c24
    • Dominik Inführ's avatar
      Reland "[heap] Visit individual ephemerons instead of collections" · 91f113e2
      Dominik Inführ authored 
      This is a reland of 9aba0159

Original change's description:
> [heap] Visit individual ephemerons instead of collections
> 
> When marking ephemerons visit individual ephemerons with key and value
> unreachable instead of simply iterating all ephemerons in all weak
> collections. Also visit ephemerons at end of concurrent marking to do
> work we would otherwise need to do in the atomic pause.
> 
> Bug: chromium:844008
> Change-Id: I3400ad1f81c0cdc0fe6506a1f1146a6743a7fcd7
> Reviewed-on: https://chromium-review.googlesource.com/1113934
> Commit-Queue: Dominik Inführ <dinfuehr@google.com>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54039}

Bug: chromium:844008
Change-Id: I4c44e74c7cf5fe380ffa4ce9f106bebb57bc023d
Reviewed-on: https://chromium-review.googlesource.com/1116438Reviewed-by: 's avatarUlan Degenbaev <ulan@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@google.com>
Cr-Commit-Position: refs/heads/master@{#54046}
      91f113e2
    • Jakob Kummerow's avatar
      Revert "[heap] Visit individual ephemerons instead of collections" · 4b429b10
      Jakob Kummerow authored 
      This reverts commit 9aba0159.

Reason for revert: causes widespread breakage on Chromium-integrated builds, failing here:

  CHECK_EQ(0, heap()->local_embedder_heap_tracer()->NumberOfWrappersToTrace());

in MarkCompactCollector::ProcessEphemeronMarking(). See e.g. https://logs.chromium.org/v/?s=chromium%2Fbb%2Fclient.v8.fyi%2FV8-Blink_Linux_64__dbg_%2F12321%2F%2B%2Frecipes%2Fsteps%2Fwebkit_unit_tests%2F0%2Fstdout and more on https://ci.chromium.org/p/v8/g/fyi/console

Original change's description:
> [heap] Visit individual ephemerons instead of collections
> 
> When marking ephemerons visit individual ephemerons with key and value
> unreachable instead of simply iterating all ephemerons in all weak
> collections. Also visit ephemerons at end of concurrent marking to do
> work we would otherwise need to do in the atomic pause.
> 
> Bug: chromium:844008
> Change-Id: I3400ad1f81c0cdc0fe6506a1f1146a6743a7fcd7
> Reviewed-on: https://chromium-review.googlesource.com/1113934
> Commit-Queue: Dominik Inführ <dinfuehr@google.com>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54039}

TBR=ulan@chromium.org,dinfuehr@google.com

Change-Id: Ib44bfe8c49e8fc30c3d0f2beba03a2895530dfd6
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:844008
Reviewed-on: https://chromium-review.googlesource.com/1116118Reviewed-by: 's avatarJakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54045}
      4b429b10
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