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On 5 February 2013 11:03, David Tweed <david.tweed at arm.com> wrote: > since the more instructions there > are the more an out-of-order CPU can put them into otherwise unused slots. > I > can't think of a way of figuring out such a mapping other than empirically. > Given the amount of uncertainty on these OOO guesses, I don't think we can get anything worth trying,

On 4 February 2013 18:25, Arnold Schwaighofer <aschwaighofer at apple.com>wrote: > For cases where this approach breaks really badly we could consider adding > a specialized api or parameters (like the type of a user/use). But we > should do so only as a last resort and backed by actual code that would > benefit from doing so. > Very sensible, more or less what I had in