On Mon, Jan 21, 2013 at 1:52 PM, Robert O'Callahan <[email protected]>wrote:
> Exactly what control do we have over what gets PGOed? In particular: > > 1) Are we able to exclude particular object files or libraries from PGO > when we link libxul, reducing PGO memory usage for the final link? I think > you said "yes" on IRC. > > 2) Are we able to collect a set of object files, link them with PGO into a > static library, and then link the result into libxul, reducing PGO memory > usage for the final link? > > Given the answer to #1 is yes, I think it's worth going through the > contents of libxul and disabling PGO on stuff that we deem unimportant. If > the answer to #2 is yes, we can independently-PGO those bits to limit the > perf hit. > The answer to #2 is definitely no. - Kyle _______________________________________________ dev-platform mailing list [email protected] https://lists.mozilla.org/listinfo/dev-platform

