------- Comment #99 from paolo dot bonzini at gmail dot com 2009-06-15 16:20 ------- Subject: Re: [4.3/4.4/4.5 Regression] 30% performance slowdown in floating-point code caused by r118475
> First, I've applied your patches to speed up computing DF to my tree; do you > want them included in the test, or should I use a pristine mainline? It doesn't matter, but yes, use them. > Second, when configuring mainline, should I include, or not include > > 1. --enable-gather-detailed-mem-stats > 2. --enable-checking=release Again it shouldn't matter, but use only --enable-checking=release. > After that, I think you just want to run two compiles with and without > -ftime-report, is that right? (Nothing about -fmem-report.) Yes, and the output of -ftime-report is not needed. Just the "time ./cc1 ..." output for the two. Thanks! -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928
