Is there any way to batch up more work to do in each block? Then your ratio of real work to overhead would go up.
On Apr 25, 2014, at 12:35 AM, Jens Alfke <[email protected]> wrote: > > On Apr 24, 2014, at 9:04 PM, Dave Fernandes <[email protected]> > wrote: > >> What’s the CPU utilization? Are you actually getting full use of them, or >> are your threads blocked waiting for something? > > Fairly high — I think 175% or so (out of 200% possible). The problem is that > a large fraction of that is taken up with busywork. In the CPU profile list > from Instruments, the top 25 or so stack frames are all system > infrastructure; you have to read down quite a ways to find any application > code at all. > > —Jens _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
