[Openmcl-devel] Quick HW question...

Tim Bradshaw tfb at tfeb.org
Wed Nov 17 19:50:03 UTC 2010


On 17 Nov 2010, at 19:29, Daniel Weinreb wrote:

> Do current architecures do dynamic branch predication, in which
> they keep a bit at runtime to keep track of which way the
> branch went last time?  I know that such things have,
> at the very least, been suggested, although I had no idea
> to what extent they have been put into use, and whether
> measurements show that they are enough better than
> static predication to justify their cost.

Yes, I think they do.



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