• Ulan Degenbaev's avatar
    Reland "[heap] Add concurrent marking write barrier" · e0ad32ce
    Ulan Degenbaev authored
    This is a reland of 1dd7f3a9
    
    Original change's description:
    > [heap] Add concurrent marking write barrier
    > 
    > A LocalHeap creates and owns an instance of MarkingBarrier. A pointer to
    > the marking barrier is set to a thread_local variable for a quick access.
    > 
    > WriteBarrier::MarkingSlow fetches the thread_local variable and invokes
    > the write barrier if it is set. Otherwise, it invokes the main thread
    > heap()->marking_barrier().
    > 
    > Each marking barrier has its own local marking worklist that is
    > published during scavenge (for updating pointers) and at finalization
    > of incremental marking.
    > 
    > Typed-slot recording does not work yet because it is not thread-safe.
    > It will be fixed in a subsequent CL.
    > 
    > Bug: v8:10315
    > Change-Id: I221a906436cd91e7405a253ce0eb06cf68046f2c
    > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2354809
    > Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
    > Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#69448}
    
    Bug: v8:10315
    Change-Id: I155bb0aadd53a5333672fb085b33d8da86f3f336
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2364509Reviewed-by: 's avatarDominik Inführ <dinfuehr@chromium.org>
    Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#69517}
    e0ad32ce
Name
Last commit
Last update
..
benchmarks Loading commit data...
cctest Loading commit data...
common Loading commit data...
debugger Loading commit data...
debugging Loading commit data...
fuzzer Loading commit data...
fuzzilli Loading commit data...
inspector Loading commit data...
intl Loading commit data...
js-perf-test Loading commit data...
memory Loading commit data...
message Loading commit data...
mjsunit Loading commit data...
mkgrokdump Loading commit data...
mozilla Loading commit data...
test262 Loading commit data...
torque Loading commit data...
unittests Loading commit data...
wasm-api-tests Loading commit data...
wasm-js Loading commit data...
wasm-spec-tests Loading commit data...
webkit Loading commit data...
BUILD.gn Loading commit data...
OWNERS Loading commit data...