- 01 Jul, 2020 1 commit
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Michael Lippautz authored
Move inlined methods to .h files accordingly, follwing style guide rule: https://google.github.io/styleguide/cppguide.html#Self_contained_Headers Bug: chromium:1056170 Change-Id: Ia6c4f82bd4352d507eece36e540ad0d318e56920 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2273858Reviewed-by:
Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#68627}
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- 17 Jun, 2020 1 commit
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Anton Bikineev authored
This adds the following things: - age table for 4K regions; - generational barrier for mixed 4K regions; - unmarking for major collections; - young generation flags. Bug: chromium:1029379 Change-Id: Ief1229f0dac5f90c5f06d3168c8ffb4b7d1f1b53 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2246566 Commit-Queue: Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#68379}
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- 15 Jun, 2020 1 commit
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Michael Lippautz authored
Introduce HeapBase as an internal base implementation for concrete heaps (unified, stand-alone). Change-Id: I0aa7185e23f83e01e4e2ca23d983b28e32bb610e Bug: chromium:1056170 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2238573 Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Cr-Commit-Position: refs/heads/master@{#68338}
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- 11 Jun, 2020 1 commit
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Michael Lippautz authored
Since the registration requires calling into the library, there's no reason to get the heap through a magic getter on API level. Bug: chromium:1056170 Change-Id: I8d2b1d0fcee8c855908bd26c71a22826c493ed29 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2238568 Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Cr-Commit-Position: refs/heads/master@{#68315}
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- 10 Jun, 2020 1 commit
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Anton Bikineev authored
This fixes two issues: - labs resetting didn't account bytes as beeing freed; - large object were not accounted. The CL introduces a single bottleneck for labs resetting in ObjectAllocator, which is aware of StatsCollector. This way NormalSpace is treated as a value object and all invariants are maintained by ObjectAllocator (and Sweeper). Bug: chromium:1056170 Change-Id: I027cc01fe5028a3dfa81905d7ea53dd12d1c1f20 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2237629 Commit-Queue: Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Cr-Commit-Position: refs/heads/master@{#68286}
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- 26 May, 2020 3 commits
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Anton Bikineev authored
This reverts commit a35d0e8c. The original CL is likely not a culprit for the infra failures. Bug: chromium:1056170 Change-Id: I8fa85db8a737fb01328021782f0c43626fa52b0d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2215826Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Commit-Queue: Anton Bikineev <bikineev@chromium.org> Cr-Commit-Position: refs/heads/master@{#67977}
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Maya Lekova authored
This reverts commit 9a0e6bd5. Reason for revert: Speculative revert for https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20-%20builder/47777 Original change's description: > cppgc: Port concurrent sweeper > > This moves concurrent and incremental sweeping from Blink. This also > adds TestPlatform that makes it easier to test concurrent and > incremental sweeping. > > Drive-by: fix unmarking of large pages. > > Bug: chromium:1056170 > Change-Id: Ifd50ff67b9df17ff117a5f4d4eb5a2937d3023be > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2207132 > Commit-Queue: Anton Bikineev <bikineev@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Omer Katz <omerkatz@chromium.org> > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > Cr-Commit-Position: refs/heads/master@{#67969} TBR=ulan@chromium.org,mlippautz@chromium.org,bikineev@chromium.org,omerkatz@chromium.org Change-Id: I5530f11f7b8560116324bb156ba98e426c0feb35 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: chromium:1056170 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2215057Reviewed-by:
Maya Lekova <mslekova@chromium.org> Commit-Queue: Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/master@{#67970}
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Anton Bikineev authored
This moves concurrent and incremental sweeping from Blink. This also adds TestPlatform that makes it easier to test concurrent and incremental sweeping. Drive-by: fix unmarking of large pages. Bug: chromium:1056170 Change-Id: Ifd50ff67b9df17ff117a5f4d4eb5a2937d3023be Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2207132 Commit-Queue: Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#67969}
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- 14 May, 2020 3 commits
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Omer Katz authored
This reverts commit 580917d2. Reason for revert: fix in patchset 2 Original change's description: > Revert "cppgc: Stack scanning using ObjectStartBitmap" > > This reverts commit d3a72e3c. > > Reason for revert: MSAN failures (https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/32360) > > Original change's description: > > cppgc: Stack scanning using ObjectStartBitmap > > > > This CL implements stack scanning for cppgc. > > Given a value on the stack, the MarkingVisitor uses > > PageBackend::Lookup to checks whether that address is on > > the heap. If it is, BasePage::TryObjectHeaderFromInnerAddress > > (introduced in this CL) is used to get the relevant object > > header. Note that random addresses on the heap might point to > > free memory, object-start-bitmap, etc. > > > > If a valid object header is found: > > * If the object is not in construction, the GCInfoIndex is used > > the get the relevant Trace method and the object is traced. > > * Otherwise, the object is conservatively scanned - i.e. the > > payload of the object is iterated word by word and each word is > > treated as a possible pointer. > > > > Only addresses pointing to the payload on non-free objects are > > traced. > > > > BasePage::TryObjectHeaderFromInnerAddress assumes on LAB on the > > relevant space, thus all LABs are reset before scanning the stack. > > > > Bug: chromium:1056170 > > Change-Id: I172850f6f1bbb6f0efca8e44ad8fdfe222977b9f > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2190426 > > Commit-Queue: Omer Katz <omerkatz@chromium.org> > > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > > Reviewed-by: Anton Bikineev <bikineev@chromium.org> > > Cr-Commit-Position: refs/heads/master@{#67795} > > TBR=ulan@chromium.org,mlippautz@chromium.org,bikineev@chromium.org,omerkatz@chromium.org > > Change-Id: I3caef6f9f55911fd1a86e895c3495d1b98b1eac2 > No-Presubmit: true > No-Tree-Checks: true > No-Try: true > Bug: chromium:1056170 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201136 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Commit-Queue: Leszek Swirski <leszeks@chromium.org> > Cr-Commit-Position: refs/heads/master@{#67796} TBR=ulan@chromium.org,mlippautz@chromium.org,leszeks@chromium.org,bikineev@chromium.org,omerkatz@chromium.org # Not skipping CQ checks because this is a reland. Bug: chromium:1056170 Change-Id: If7ea4fe5cb794c07544d5545f5d6548e3375d3ae Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201137Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Commit-Queue: Omer Katz <omerkatz@chromium.org> Cr-Commit-Position: refs/heads/master@{#67803}
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Leszek Swirski authored
This reverts commit d3a72e3c. Reason for revert: MSAN failures (https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/32360) Original change's description: > cppgc: Stack scanning using ObjectStartBitmap > > This CL implements stack scanning for cppgc. > Given a value on the stack, the MarkingVisitor uses > PageBackend::Lookup to checks whether that address is on > the heap. If it is, BasePage::TryObjectHeaderFromInnerAddress > (introduced in this CL) is used to get the relevant object > header. Note that random addresses on the heap might point to > free memory, object-start-bitmap, etc. > > If a valid object header is found: > * If the object is not in construction, the GCInfoIndex is used > the get the relevant Trace method and the object is traced. > * Otherwise, the object is conservatively scanned - i.e. the > payload of the object is iterated word by word and each word is > treated as a possible pointer. > > Only addresses pointing to the payload on non-free objects are > traced. > > BasePage::TryObjectHeaderFromInnerAddress assumes on LAB on the > relevant space, thus all LABs are reset before scanning the stack. > > Bug: chromium:1056170 > Change-Id: I172850f6f1bbb6f0efca8e44ad8fdfe222977b9f > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2190426 > Commit-Queue: Omer Katz <omerkatz@chromium.org> > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Anton Bikineev <bikineev@chromium.org> > Cr-Commit-Position: refs/heads/master@{#67795} TBR=ulan@chromium.org,mlippautz@chromium.org,bikineev@chromium.org,omerkatz@chromium.org Change-Id: I3caef6f9f55911fd1a86e895c3495d1b98b1eac2 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: chromium:1056170 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2201136Reviewed-by:
Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#67796}
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Omer Katz authored
This CL implements stack scanning for cppgc. Given a value on the stack, the MarkingVisitor uses PageBackend::Lookup to checks whether that address is on the heap. If it is, BasePage::TryObjectHeaderFromInnerAddress (introduced in this CL) is used to get the relevant object header. Note that random addresses on the heap might point to free memory, object-start-bitmap, etc. If a valid object header is found: * If the object is not in construction, the GCInfoIndex is used the get the relevant Trace method and the object is traced. * Otherwise, the object is conservatively scanned - i.e. the payload of the object is iterated word by word and each word is treated as a possible pointer. Only addresses pointing to the payload on non-free objects are traced. BasePage::TryObjectHeaderFromInnerAddress assumes on LAB on the relevant space, thus all LABs are reset before scanning the stack. Bug: chromium:1056170 Change-Id: I172850f6f1bbb6f0efca8e44ad8fdfe222977b9f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2190426 Commit-Queue: Omer Katz <omerkatz@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Anton Bikineev <bikineev@chromium.org> Cr-Commit-Position: refs/heads/master@{#67795}
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- 13 May, 2020 1 commit
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Michael Lippautz authored
This is a reland of 3df36990 Original change's description: > cppgc: Port ObjectStartBitmap > > This ports ObjectStartBitmap from Blink. > > Bug: chromium:1056170 > Change-Id: Ib959d9ac1c5e1e34ffa6418f77956e993c570ffc > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2181331 > Commit-Queue: Anton Bikineev <bikineev@chromium.org> > Reviewed-by: Omer Katz <omerkatz@chromium.org> > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Cr-Commit-Position: refs/heads/master@{#67735} Bug: chromium:1056170 Change-Id: I6e2fd99e96bebe3060f4feb8503ab04c0d452d51 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2198986Reviewed-by:
Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#67772}
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- 12 May, 2020 2 commits
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Leszek Swirski authored
This reverts commit 3df36990. Reason for revert: Breaks MSVC bot (https://cr-buildbucket.appspot.com/build/8880517266974148704) Original change's description: > cppgc: Port ObjectStartBitmap > > This ports ObjectStartBitmap from Blink. > > Bug: chromium:1056170 > Change-Id: Ib959d9ac1c5e1e34ffa6418f77956e993c570ffc > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2181331 > Commit-Queue: Anton Bikineev <bikineev@chromium.org> > Reviewed-by: Omer Katz <omerkatz@chromium.org> > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Cr-Commit-Position: refs/heads/master@{#67735} TBR=ulan@chromium.org,mlippautz@chromium.org,bikineev@chromium.org,omerkatz@chromium.org Change-Id: Iaea15b11c0ee7b599fe1f275aded7414bce428ac No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: chromium:1056170 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2196321Reviewed-by:
Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#67742}
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Anton Bikineev authored
This ports ObjectStartBitmap from Blink. Bug: chromium:1056170 Change-Id: Ib959d9ac1c5e1e34ffa6418f77956e993c570ffc Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2181331 Commit-Queue: Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#67735}
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- 29 Apr, 2020 1 commit
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Anton Bikineev authored
HeapVisitor is a simple visitor implementing both visitation and accept interfaces. HeapVisitor is aimed to replace functions that traverse the heap in Blink: PrepareForSweep, Sweep, FinalizeSweep, MakeConsistentForGC, ObjectPayloadSize, VerifyObjectStartBitmap, CollectStatistics, etc. This CL also introduces a Heap::ObjectPayloadSize function. Bug: chromium:1056170 Change-Id: I85a2b8b572486bea29704fc436b002d8f7405201 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2165733 Commit-Queue: Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#67458}
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- 28 Apr, 2020 1 commit
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Anton Bikineev authored
This adds the following: 1) Heap object structure classes: RawHeap, BaseArena and BasePage. - freelist - linear allocation block 2) ObjectAllocator, a class responsible for object (and page) allocation. The design doc with UML design: https://bit.ly/2VVTcqc User defined arenas are followup. Bug: chromium:1056170 Change-Id: I69a82974bd08e3cf3da90041b1628297cc890891 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2167392 Commit-Queue: Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#67425}
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- 09 Apr, 2020 1 commit
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Michael Lippautz authored
This CL provides a basic allocator that allocates normal-sized objects on pages without ever reusing them. This allows for already using the backref from page to heap which is used in some critical places (pre-finalizers, write barrier, Persistent). Bug: chromium:1056170 Change-Id: Ifada9b7e984827906c267d1a3a521576587feaeb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2141736 Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Anton Bikineev <bikineev@chromium.org> Reviewed-by:
Omer Katz <omerkatz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#67076}
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