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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sat, 1 Nov 2008 13:51:39 +0100 From: "Paolo Ciarrocchi" <paolo.ciarrocchi@...il.com> To: "Evgeniy Polyakov" <zbr@...emap.net>, "Ingo Molnar" <mingo@...e.hu>, "Peter Zijlstra" <a.p.zijlstra@...llo.nl> Cc: "Mike Galbraith" <efault@....de>, "David Miller" <davem@...emloft.net>, alan@...rguk.ukuu.org.uk, jkosina@...e.cz, akpm@...ux-foundation.org, rjw@...k.pl, s0mbre@...rvice.net.ru, linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: [tbench regression fixes]: digging out smelly deadmen. On Wed, Oct 29, 2008 at 10:50 AM, Evgeniy Polyakov <zbr@...emap.net> wrote: > On Wed, Oct 29, 2008 at 12:14:05PM +0300, Evgeniy Polyakov (zbr@...emap.net) wrote: >> vanilla 27 : 347.222 >> no TSO/GSO : 357.331 >> no hrticks : 382.983 >> no balance : 389.802 >> 4403b4 commit : 361.184 >> dirty_ratio-50 : 361.086 >> no-sched-tweaks : 361.367 >> >> So, probably, if we revert -tip merge to vanilla .27, add nohrtick patch >> and nobalance tweak _only_, and apply naive TSO patch we could bring >> system to 400 MB/s. Note, that .22 has 479.82 and .23 454.36 MB/s. > > And now I have to admit that the very last -top merge did noticebly > improve the situation upto 391.331 MB/s (189 in domains, with tso/gso > off and naive tcp_tso_should_defer() hange). > > So we are now essentially at the level of 24-25 trees in my tests. That's good and make think whether it would be a good idea to add some performance number in each pull request that affect the core part of the kernel. Ciao, -- Paolo http://paolo.ciarrocchi.googlepages.com/ -- 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