From: Eric Dumazet <dada1@cosmosbay.com>
To: Folkert van Heusden <folkert@vanheusden.com>
Cc: Ed Tomlinson <edt@aei.ca>,
linux-kernel@vger.kernel.org, Andi Kleen <ak@suse.de>
Subject: Re: [POLL] SLAB : Are the 32 and 192 bytes caches really usefull on x86_64 machines ?
Date: Wed, 21 Dec 2005 14:38:07 +0100 [thread overview]
Message-ID: <43A95ABF.1030309@cosmosbay.com> (raw)
In-Reply-To: <20051221132046.GJ27831@vanheusden.com>
Folkert van Heusden a écrit :
>
>
> size-131072 0 0 131072
> size-65536 0 0 65536
> size-32768 20 20 32768
> size-16384 8 9 16384
> size-8192 37 38 8192
> size-4096 269 269 4096
> size-2048 793 910 2048
> size-1024 564 608 1024
> size-512 702 856 512
> size-256 1485 4005 256
> size-128 1209 1350 128
> size-64 2858 3363 64
> size-32 1538 2714 64
> Intel(R) Xeon(TM) MP CPU 3.00GHz
> address sizes : 40 bits physical, 48 bits virtual
>
>
> Folkert van Heusden
Hi Folkert
Your results are interesting : size-32 seems to use objects of size 64 !
> size-32 1538 2714 64 <<HERE>>
So I guess that size-32 cache could be avoided at least for EMT (I take you
run a 64 bits kernel ?)
Eric
next prev parent reply other threads:[~2005-12-21 13:38 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-21 8:00 [ANNOUNCE] GIT 1.0.0 Junio C Hamano
2005-12-21 9:11 ` [POLL] SLAB : Are the 32 and 192 bytes caches really usefull on x86_64 machines ? Eric Dumazet
2005-12-21 9:22 ` David S. Miller
2005-12-21 10:03 ` Jan-Benedict Glaw
2005-12-21 9:46 ` Alok kataria
2005-12-21 12:44 ` Ed Tomlinson
2005-12-21 13:20 ` Folkert van Heusden
2005-12-21 13:38 ` Eric Dumazet [this message]
2005-12-21 14:09 ` Folkert van Heusden
2005-12-21 16:40 ` Dave Jones
2005-12-21 19:36 ` Folkert van Heusden
2005-12-28 8:32 ` Denis Vlasenko
2005-12-28 8:54 ` Denis Vlasenko
2005-12-28 17:57 ` Andreas Kleen
2005-12-28 21:01 ` Matt Mackall
2005-12-29 1:26 ` Dave Jones
2005-12-30 4:06 ` Steven Rostedt
2006-01-02 8:46 ` Pekka Enberg
2006-01-02 8:51 ` Pekka Enberg
2006-01-02 12:33 ` Steven Rostedt
2006-01-02 12:31 ` Steven Rostedt
2005-12-29 1:29 ` Dave Jones
2005-12-29 1:50 ` Keith Owens
2005-12-29 2:39 ` Dave Jones
2006-01-02 15:03 ` Helge Hafting
2006-01-04 5:26 ` Dave Jones
2005-12-30 21:13 ` Marcelo Tosatti
2005-12-31 20:13 ` Andi Kleen
2005-12-29 19:48 ` Steven Rostedt
2005-12-29 21:16 ` Andi Kleen
2006-01-02 8:37 ` Pekka Enberg
2006-01-02 12:45 ` Andi Kleen
2006-01-02 13:04 ` Pekka J Enberg
2006-01-02 13:56 ` Andi Kleen
2006-01-02 15:09 ` Pekka J Enberg
2006-01-02 15:46 ` Jörn Engel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=43A95ABF.1030309@cosmosbay.com \
--to=dada1@cosmosbay.com \
--cc=ak@suse.de \
--cc=edt@aei.ca \
--cc=folkert@vanheusden.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.