Ruby Issue Tracking System

01/03/2022

02:13 PM Ruby master Bug #18454: YJIT slowing down key Discourse benchmarks

Possibly related: YJIT released 3.1 was breaking Rails caching: https://bugs.ruby-lang.org/issues/18453 noahgibbs (Noah Gibbs)

07/02/2019

11:14 AM Ruby master Bug #15971: Segfault with --jit-wait when using simple *= operator

When I change "a *= b" to "a * b" it doesn't crash. noahgibbs (Noah Gibbs)

11:13 AM Ruby master Bug #15971 (Closed): Segfault with --jit-wait when using simple *= operator

I get a segfault with the very simple Ruby code below with JIT debug options. Runs fine with only "--jit" (no --jit-w... noahgibbs (Noah Gibbs)

04/15/2019

04:27 AM Ruby master Feature #15626: Manual Compaction for MRI's GC (`GC.compact`)

Tested again w/ merged version of this patch. My "before" and "after" timings are within the margin of measurement er... noahgibbs (Noah Gibbs)

03/26/2019

06:12 AM Ruby master Feature #15626: Manual Compaction for MRI's GC (`GC.compact`)

Okay. Second benchmark run gives essentially the same results:
unpatched: 187.9 reqs/sec, variance 4.1
patched: 1... noahgibbs (Noah Gibbs)

03:00 AM Ruby master Feature #15626: Manual Compaction for MRI's GC (`GC.compact`)

I'm trying to run this and check speed and stability with Rails Ruby Bench. I'm having an odd bug when I try to use G... noahgibbs (Noah Gibbs)

03/25/2019

01:54 AM Ruby master Feature #15626: Manual Compaction for MRI's GC (`GC.compact`)

@duerst: looks like he's updated his approach a bit since I last saw the talk (quite awhile ago!) But here's a 2017 v... noahgibbs (Noah Gibbs)

03/22/2019

08:51 PM Ruby master Feature #15626: Manual Compaction for MRI's GC (`GC.compact`)

One problem with automatically compacting on full GC: compaction appears to require two full GCs to do its thing. It ... noahgibbs (Noah Gibbs)

06/28/2018

05:09 PM Ruby master Feature #14878 (Closed): Add command line argument to deactivate JIT

For Ruby 2.6, JIT is off by default. But if a particular application can't use JIT for some reason, it may want to ex... noahgibbs (Noah Gibbs)

05/17/2018

09:02 PM Ruby master Feature #14723: [WIP] sleepy GC

I've now run a lot more batches of Rails Ruby Bench - 100 batches of 10,000 HTTP requests/batch. I am *definitely* se... noahgibbs (Noah Gibbs)