On 2013-01-23 3:38 PM, Joe Drew wrote:
On 2013-01-22 5:27 PM, Mike Hommey wrote:
FWIW, IIRC my experiments last time we had this problem, LTCG alone
accounts for less than a third of the performance boost we get from
PGO on Talos.
Did you happen to measure how big the linker got in memory doing only LTCG?
https://bugzilla.mozilla.org/show_bug.cgi?id=833915#c6 suggests
something around 600-700MB, which is not sustainable in the long run.
Cheers,
Ehsan
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