Re: lj_gc_step_jit bug

  • From: Mike Pall <mike-1311@xxxxxxxxxx>
  • To: luajit@xxxxxxxxxxxxx
  • Date: Tue, 5 Nov 2013 19:52:24 +0100

Cheng, Long wrote:
> We think we found a bug in lj_gc_step_jit, here is the detail:

Thank you very much for the bug report and the detailed
explanation! Fixed in the git repository.

This is actually a long-standing bug in LuaJIT 2.x. It doesn't
lead to incorrect behavior, but it affects GC throughput. E.g. the
binarytrees benchmark is 15% faster with this bug fixed ... ouch.

--Mike

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