Re: pthread_create() slow for many threads; also time to revisit64b context switch optimization?

From: Ulrich Drepper
Date: Wed Aug 13 2008 - 11:23:33 EST


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Ingo Molnar wrote:
> i find it pretty unacceptable these days that we limit any aspect of
> pure 64-bit apps in any way to 4GB (or any other 32-bit-ish limit).

Sure, but if we can pin-point the sub-archs for which it is the problem
then a flag to optionally request it is even easier to handle. You'd
simply ignore the flag for anything but the P4 architecture.

I personally have no problem removing the whole thing because I have no
such machine running anymore. But there are people out there who have.

- --
â Ulrich Drepper â Red Hat, Inc. â 444 Castro St â Mountain View, CA â
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