linux-kernel - Re: [PATCH [RT] 00/14] RFC

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 21 Feb 2008 15:42:06 -0700
From:	"Peter W. Morreale" <pmorreale@...ell.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Gregory Haskins <ghaskins@...ell.com>, a.p.zijlstra@...llo.nl,
	tglx@...utronix.de, rostedt@...dmis.org,
	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org,
	bill.huey@...il.com, kevin@...man.org, cminyard@...sta.com,
	dsingleton@...sta.com, dwalker@...sta.com, npiggin@...e.de,
	dsaxena@...xity.net, ak@...e.de, gregkh@...e.de,
	sdietrich@...ell.com, mkohari@...ell.com
Subject: Re: [PATCH [RT] 00/14] RFC - adaptive real-time locks

On Thu, 2008-02-21 at 15:12 -0700, Peter W. Morreale wrote:

> True, the ticket spinlock certainly adds to the throughput results we
> have seen.  However, the results without the ticket patch are still very
> significant.   (IIRC, 500-600MB/s instead of the ~730MB/s advertised) We
> can easily re-gen the previous results for an apples-to-apples
> comparison.
> 

I misspoke in the above.  Greg is correct.  Without the ticket lock
patch we see an *improvement* in throughput, not a decrease.  

Sorry for any confusion.

Best,
-PWM


--
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/