bpowers (Bobby Powers)
- Login: bpowers
- Email: bobbypowers@gmail.com
- Registered on: 02/19/2020
- Last sign in: 02/22/2020
Issues
| open | closed | Total | |
|---|---|---|---|
| Assigned issues | 0 | 0 | 0 |
| Reported issues | 1 | 0 | 1 |
Activity
02/29/2020
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06:27 PM Ruby Feature #16648: improve GC performance by 5% with builtin_prefetch
- alanwu (Alan Wu) wrote in #note-1:
> I ran the patch on some included GC benchmarks in the repo and it doesn't seem to be a pure win (built-ruby is the patched version):
Thanks! I hadn't seen these. I see roughly similar results loc...
02/22/2020
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- The mark phase of non-incremental major GC is (I believe) dominated by pointer chasing. One way we can improve that is by prefetching cachelines from memory before they are accessed, to reduce stalls. I did some experimenting, and the ...