lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 05 Feb 2009 16:08:31 -0800 From: Jeremy Fitzhardinge <jeremy@...p.org> To: Ingo Molnar <mingo@...e.hu> CC: Hugh Dickins <hugh@...itas.com>, William Lee Irwin III <wli@...ementarian.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Memory Management List <linux-mm@...ck.org> Subject: Re: pud_bad vs pud_bad Ingo Molnar wrote: > just the act of using PAE was measured to cause multi-percent slowdown in > fork() and exec() latencies, etc. The pagetables are twice as large so is > that really surprising? > Is there a similar slowdown running the CPU in 32 vs 64 bit mode? Or does having more/wider registers mitigate it? J -- 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/
Powered by blists - more mailing lists