On 24 August 2011 22:43, Mark Heffernan <meh...@google.com> wrote: > This patch bumps up the parameter 'hot-bb-count-fraction' from 10000 > to 40000. This results in about a 0.5% geomean performance > improvement across internal benchmarks for x86-64 LIPO. The parameter > change effectively increases the number of functions/callsites which > are considered hot. The performance improvement is likely due to > increased inlining (more callsites are considered hot and available > for inlining). > > Bootstrapped and reg-tested on x86-64. OK for google/gcc-4_6?
I know this is intended for the google branches but shouldn't such a change be in the x86_64 backend rather than such a general change to params.def . My 2 cents. cheers Ramana