1. 07 Feb, 2019 1 commit
    • Ulan Degenbaev's avatar
      [heap] Rework incremental marking scheduling · 4c65986a
      Ulan Degenbaev authored
      The new scheduling reduces the main thread marking performed in
      tasks and on allocation. It is based on two counters:
      - bytes_marked,
      - scheduled_bytes_to_mark.
      
      The bytes_marked accounts marking done both the main thread and
      the concurrent threads. The scheduled_bytes_to_mark increases based
      on allocated bytes and also based on time passed since the start
      of marking. The main thread steps are allowed to mark the minimal
      amount if bytes_marked is greater than scheduled_bytes_to_mark.
      
      This also changes tasks posted for marking. Before only normal
      tasks were posted. Now delayed tasks are posted if the marker is
      ahead of schedule.
      
      Bug: 926189
      
      Change-Id: I5bc9c33a5ecfc9f8d09f78d08ae277d16a2779ca
      Reviewed-on: https://chromium-review.googlesource.com/c/1443056
      Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
      Reviewed-by: 's avatarMichael Lippautz <mlippautz@chromium.org>
      Cr-Commit-Position: refs/heads/master@{#59433}
      4c65986a
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