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Date: Wed, 13 Aug 2008 07:36:07 -0700 From: Ulrich Drepper <drepper@...hat.com> To: Ingo Molnar <mingo@...e.hu> CC: Arjan van de Ven <arjan@...radead.org>, akpm@...ux-foundation.org, hugh@...itas.com, linux-mm@...ck.org, linux-kernel@...r.kernel.org, briangrant@...gle.com, cgd@...gle.com, mbligh@...gle.com, Linus Torvalds <torvalds@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com> Subject: Re: pthread_create() slow for many threads; also time to revisit 64b context switch optimization? -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Ingo Molnar wrote: > not sure exactly what numbers you mean, but there are lots of numbers in > the first mail, attached below. For example: I mean numbers indicating that it doesn't hurt performance on any of today's machines. If there are machines where it makes a difference then we need the flag to indicate the _preference_ for a low stack, as opposed to indicating a _requirement_. - -- ➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkii8VcACgkQ2ijCOnn/RHTiLQCfcZ9xJHMi0Jv59l700ZNJUoi6 aEcAn370XuGhs1u1YeD2Gqq35zQnKh26 =rC0v -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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