Re: Suggestions for how to optimize around "persistent type instability"?
- From: demetri <demetri.spanos@xxxxxxxxx>
- To: luajit@xxxxxxxxxxxxx
- Date: Thu, 4 Apr 2013 12:58:11 -0700
> The result is quite impressive! LuaJIT continues to pleasantly surprise
> the more I use it.
>
A quick follow-up on this for people who like performance numbers: Mike's
fix came in within ~10% of our C implementation. Manually unrolling the
loop 4x makes it indistinguishable from GCC -O3 (within <0.5%, and in
best-of-10 measurements they each win about 50% of the time).
Demetri
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