Christian MICHON wrote:
I did months ago gcc/FDO with a xp/lite installation as a "repetitive task" :)
I did not improve the timings after all the effort.
could this be down to the tables used to find the
translators/generators? are they constant? is it possible to make them
amenable to feedback directed analysis? x86 is also an odd case, it
could be that load-store architectures with more registers notice FDO
more as the x86 can access the L1 caches similarly to a large register
file. If the problem is gcc's feedback analysis then you could always
try Intel's compiler. Regards,
Ian Rogers
-- http://www.binarytranslator.org/
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