| commit | a6d7dc78891a1bc8d8da19bbd29a5bb320034661 | [log] [tgz] |
|---|---|---|
| author | Googler <noreply@google.com> | Mon Aug 27 11:18:15 2018 -0700 |
| committer | Copybara-Service <copybara-piper@google.com> | Mon Aug 27 11:19:59 2018 -0700 |
| tree | 033177504d68d1620c18b5a17742b283f8f3b921 | |
| parent | 38673e893fad7e9b20735d49390bbad26a25b7bb [diff] |
Use a ForkJoinPool instead of a PriorityBlockingQueue-based ThreadPoolExecutor for the analysis phase. During the analysis phase, lots of very short actions are executed (File, FileState, ...) and contention in the executor has a substantial performance impact. Contention has always been a problem here, but the move towards rightfully using PriorityBlockingQueue can cause even more work to be executed under a lock. While I couldn't measure substantial wall-time differences between PriorityBlockingQueue and the previously used LinkedBlockingQueue, this change improves performance by about 10% on a variety of experiments I have conducted. RELNOTES: None. PiperOrigin-RevId: 210398382
{Fast, Correct} - Choose two
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