On Thu, Aug 25, 2011 at 6:49 AM, Ramana Radhakrishnan
wrote:
> 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 .
I wouldn't consider this a backend-specific change. The parameter
generally af
On 24 August 2011 22:43, Mark Heffernan wrote:
> This patch bumps up the parameter 'hot-bb-count-fraction' from 1
> to 4. 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
Good for google branches.
Need to measure the performance and size impact on SPEC2k/06 with this
patch and the previous hotcaller patch for trunk.
thanks,
David
On Wed, Aug 24, 2011 at 2:43 PM, Mark Heffernan wrote:
> This patch bumps up the parameter 'hot-bb-count-fraction' from 1
> to 40
This patch bumps up the parameter 'hot-bb-count-fraction' from 1
to 4. 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 perfo