From: "David S. Miller" <davem@davemloft.net>
To: olof@lixom.net
Cc: paulus@samba.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: [RFC/PATCH] Make powerpc64 use __thread for per-cpu variables
Date: Tue, 09 May 2006 23:22:15 -0700 (PDT) [thread overview]
Message-ID: <20060509.232215.69573210.davem@davemloft.net> (raw)
In-Reply-To: <20060510051649.GD1794@lixom.net>
From: Olof Johansson <olof@lixom.net>
Date: Wed, 10 May 2006 00:16:50 -0500
> It would be interesting to see benchmarks of how much it improves
> things. I guess it doesn't really get interesting until after the paca
> gets removed though, due to the added mfsprg's.
When I moved the per-cpu base into a fixed register on sparc64,
it definitely showed up on the micro-benchmarks because this
shrunk the .text a lot in that case.
next prev parent reply other threads:[~2006-05-10 6:22 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-10 4:03 [RFC/PATCH] Make powerpc64 use __thread for per-cpu variables Paul Mackerras
2006-05-10 5:16 ` Olof Johansson
2006-05-10 5:35 ` Alan Modra
2006-05-10 6:22 ` David S. Miller [this message]
2006-05-10 6:29 ` Paul Mackerras
2006-05-10 6:39 ` David S. Miller
2006-05-10 7:21 ` Benjamin Herrenschmidt
2006-05-10 10:14 ` David Howells
2006-05-10 7:41 ` Paul Mackerras
2006-05-10 15:47 ` Richard Henderson
2006-05-10 18:04 ` Steven Rostedt
2006-05-10 19:40 ` David S. Miller
2006-05-10 21:05 ` Paul Mackerras
2006-05-10 22:25 ` David S. Miller
2006-05-10 23:17 ` Segher Boessenkool
2006-05-11 0:22 ` Richard Henderson
2006-05-11 23:41 ` Segher Boessenkool
2006-05-11 1:04 ` Alan Modra
2006-05-11 1:21 ` Paul Mackerras
2006-05-11 2:01 ` Alan Modra
2006-05-11 23:42 ` Segher Boessenkool
2006-05-10 23:05 ` Paul Mackerras
2006-05-10 23:44 ` Paul Mackerras
2006-05-11 0:11 ` David S. Miller
2006-05-18 23:50 ` Paul Mackerras
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