From mboxrd@z Thu Jan  1 00:00:00 1970
From: Domenico Andreoli <cavokz@gmail.com>
Subject: Re: Happy New Year PARISC (take 2)
Date: Tue, 28 Feb 2012 23:56:05 +0100
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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>
To: John David Anglin <dave.anglin@bell.net>
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List-Id: linux-parisc.vger.kernel.org

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