On Mon, Sep 5, 2016 at 8:10 PM, Fred Wright <[email protected]> wrote:
> But when they switched to Intel, they also switched > to -O2. This allowed them to inflate the performance benefit of the > architecture switch. :-) > ...as long as -O2 worked. Experience from FreeBSD and from early MacPorts experiments with -O2 is that it took -O2 a long time to actually generate correct code in a majority of cases. That said, it might be worth looking at again --- but, -O2 reportedly still causes occasional problems for some programs, so be ready to bail back to -Os. -- brandon s allbery kf8nh sine nomine associates [email protected] [email protected] unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net
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