Jeremy Fitzhardinge wrote:
>
> Cross-cache-line, sure. But what about just not sizeof aligned? If its
> enough to avoid cross-cache-line, then that's simpler.
>
Not really. It pretty much comes down to the same problem.
> Which is something I was going to comment on: Mathieu, you try to align
> the constant itself, but you don't prevent the instruction overall from
> crossing a cache line. Given how delicate all this stuff is, it seems
> like a good idea to do that.
Given how delicate all his stuff is, it would be interesting to know the
magnitude of the expected payoff, which I personally don't remember seeing.
-hpa
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