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- Subject: Re: LuaJIT nested loops performance difference
- From: Mike Pall <mikelu-1105@...>
- Date: Tue, 3 May 2011 21:20:05 +0200
Krunal Rao wrote:
> On 2 May 2011 23:05, Mike Pall <email@example.com> wrote:
> > The 200x difference is probably a failure of the region selection
> > heuristics. I'd need to get a complete example (send directly to
> > me, not to the mailing list) to analyze this.
> E-mail soon to follow at your personal address.
Thank you for the good test case! The issue has been fixed in
LuaJIT git HEAD (tuning of the loop unrolling heuristics).