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From: Domenico Andreoli <cavokz@gmail.com>
To: John David Anglin <dave.anglin@bell.net>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
	Carlos O'Donell <carlos@systemhalted.org>,
	Grant Grundler <grantgrundler@gmail.com>,
	linux-parisc List <linux-parisc@vger.kernel.org>
Subject: Re: Happy New Year PARISC (take 2)
Date: Tue, 28 Feb 2012 23:56:05 +0100	[thread overview]
Message-ID: <20120228225605.GA24038@glitch> (raw)
In-Reply-To: <4F4CF28A.5050407@bell.net>

Hi,

On Tue, Feb 28, 2012 at 10:28:10AM -0500, John David Anglin wrote:
>
> Here is take 3.  Since take 2, I have tried mainly to explore
> performance issues.
> 
> The big difference is a new implementation of flush_cache_mm where I try to
> avoid the brutal flush of the whole cache.  This drops the full GCC
> build time at
> -j4 from about six hours nine minutes to three hours ten minutes on
> rp3440 (i.e.,
> almost by a factor two).  Build and check time is still a bit slower
> than HP-UX.
> There's probably more to tweak here.
> 
> Other changes made little difference (e.g., clear_page_asm).  I also
> explored
> the affect of prefetch operations in clear_page_asm and copy_page_asm, but
> the difference if any was in the noise.

I applied this patch to v3.3-rc5 and then tried to build eglibc 2.13-27,
unsuccessfully. Do you have any patch for it?

Thanks,
Domenico

  reply	other threads:[~2012-02-28 22:56 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-01  0:02 Happy New Year PARISC John David Anglin
2012-01-02  6:23 ` Grant Grundler
2012-01-02 15:12   ` John David Anglin
2012-01-02 23:12     ` John David Anglin
2012-01-03 11:50       ` Carlos O'Donell
2012-01-03 15:13         ` John David Anglin
2012-01-03 15:32           ` James Bottomley
2012-01-03 15:32           ` James Bottomley
2012-01-03 16:26             ` John David Anglin
2012-01-03 16:42               ` John David Anglin
2012-01-03 16:42               ` James Bottomley
2012-01-03 18:39                 ` John David Anglin
2012-01-29 21:45                   ` Happy New Year PARISC (take 2) John David Anglin
     [not found]                     ` <CA+DQjFiTwKC76Hn-x-s2C9Nc_qkqrRFXv3ji22KGtgMzGOfx0Q@mail.gmail.com>
2012-01-30  1:06                       ` Thibaut VARENE
2012-02-28 15:28                     ` John David Anglin
2012-02-28 22:56                       ` Domenico Andreoli [this message]
2012-02-29  1:28                         ` John David Anglin
2012-03-01  0:48                         ` John David Anglin

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