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From: Florian K. <br...@ac...> - 2012-06-02 14:11:53
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On 06/02/2012 03:40 AM, Philippe Waroquiers wrote: > On Sat, 2012-06-02 at 00:03 -0400, Florian Krohm wrote: >> >From 40 bytes to 32 bytes on LP64. From 20 to 16 bytes on ILP32. >> Same procedure as in previous patch for Qop. This time putting the Triop >> bits into a separate structure IRTriop. >> >> Here are some numbers showing the memory allocated by VEX in bytes for >> amd64/ppc64/s390x. The net is: it's always a win and the savings are >> pretty consistent 4-5% across platforms. > That is nice. > What is the related performance improvement ? I did not measure. The perf bucket is not very good measuring the effect of these micro improvements -- unfortunately. > (I suppose this will improve more on smaller systems) Certainly. Florian |