On 11/10/12 19:33, Mike Hommey wrote: > That being said, PGO on Linux is between 5 and 20% improvement on our > various talos tests. That's with the version of gcc we currently use, > which is 4.5. I'd expect 4.7 to do a better job even, especially if we > added lto to the equation (and since we are now building on x86-64 > machines, we wouldn't have to worry about memory usage ; link time could > be a problem, though).
Perhaps the problems can be resolved or ameliorated by bumping the minimum version of GCC that we support for PGO. _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
