From: Erez Zilber <erezz-hKgKHo2Ms0F+cjeuK/JdrQ@public.gmane.org>
To: Vladislav Bolkhovitin <vst-d+Crzxg7Rs0@public.gmane.org>
Cc: stgt-devel-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org,
linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
James.Bottomley-JuX6DAaQMKPCXq6kfMZ53/egYHeGw8Jk@public.gmane.org,
FUJITA Tomonori
<fujita.tomonori-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>,
scst-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: Performance of SCST versus STGT
Date: Thu, 17 Jan 2008 16:46:22 +0200 [thread overview]
Message-ID: <478F6A3E.6020301@Voltaire.COM> (raw)
In-Reply-To: <478F6708.30604-d+Crzxg7Rs0@public.gmane.org>
>> We didn't run any real performance test with tgt, so I don't have
>> numbers yet. I know that Pete got ~900 MB/sec by hacking sgp_dd, so all
>> data was read/written to the same block (so it was all done in the
>> cache). Pete - am I right?
>>
>> As already mentioned, he got that with IB SDR cards that are 10 Gb/sec
>> cards in theory (actual speed is ~900 MB/sec). With DDR cards (20
>> Gb/sec), you can get even more. I plan to test that in the near future.
>
> Are you writing about a maximum possible speed which he got, including
> multithreded tests with many outstanding commands or about speed he
> got on single threaded reads with one outstanding command? This
> thread is about the second one.
>
As I said, we didn't run any performance tests on stgt yet.
Erez
prev parent reply other threads:[~2008-01-17 14:46 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-17 9:27 Performance of SCST versus STGT Bart Van Assche
2008-01-17 9:40 ` FUJITA Tomonori
2008-01-17 9:48 ` Vladislav Bolkhovitin
2008-01-17 10:05 ` FUJITA Tomonori
[not found] ` <20080117190558K.fujita.tomonori-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>
2008-01-17 10:34 ` Vladislav Bolkhovitin
[not found] ` <478F2F46.9040103-d+Crzxg7Rs0@public.gmane.org>
2008-01-17 12:29 ` Robin Humble
2008-01-17 13:44 ` [Scst-devel] [Stgt-devel] " Vladislav Bolkhovitin
[not found] ` <20080117122956.GA3567-Td5ZOp7sT3Xw02mFwxTg32+DJq1SqhBbsOSz5zK2v9k@public.gmane.org>
2008-01-17 14:43 ` Bart Van Assche
2008-01-17 17:45 ` Pete Wyckoff
[not found] ` <20080117174542.GC29650-pxmRpbKlMIQ@public.gmane.org>
2008-01-18 10:30 ` Bart Van Assche
2008-01-18 12:08 ` Vladislav Bolkhovitin
2008-01-20 9:36 ` Bart Van Assche
[not found] ` <e2e108260801200136g7f17b8a0g89a54cc1d73bbc34-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-21 12:07 ` Vladislav Bolkhovitin
2008-01-22 3:26 ` FUJITA Tomonori
[not found] ` <20080122122657R.fujita.tomonori-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>
2008-01-22 7:50 ` Bart Van Assche
2008-01-22 11:33 ` Vladislav Bolkhovitin
[not found] ` <4795D479.1080805-d+Crzxg7Rs0@public.gmane.org>
2008-01-22 11:48 ` FUJITA Tomonori
2008-01-22 12:20 ` Vladislav Bolkhovitin
2008-01-22 15:14 ` Bart Van Assche
2008-01-22 10:04 ` Bart Van Assche
2008-01-22 11:33 ` Vladislav Bolkhovitin
[not found] ` <4795D4A7.5000105-d+Crzxg7Rs0@public.gmane.org>
2008-01-22 12:32 ` Bart Van Assche
[not found] ` <e2e108260801220432l353b1d76xd2707b5e6f336aef-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-22 15:23 ` Vladislav Bolkhovitin
2008-01-24 7:06 ` Robin Humble
2008-01-24 10:36 ` [Stgt-devel] " Bart Van Assche
2008-01-24 11:10 ` Vladislav Bolkhovitin
[not found] ` <4798720E.4020802-d+Crzxg7Rs0@public.gmane.org>
2008-01-24 11:40 ` Robin Humble
[not found] ` <20080124114027.GC26751-Td5ZOp7sT3Xw02mFwxTg32+DJq1SqhBbsOSz5zK2v9k@public.gmane.org>
2008-01-24 12:41 ` Vladislav Bolkhovitin
[not found] ` <e2e108260801240236o2273be0bw24a2a61dcc781222-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-24 11:32 ` Robin Humble
[not found] ` <20080124113215.GB26751-Td5ZOp7sT3Xw02mFwxTg32+DJq1SqhBbsOSz5zK2v9k@public.gmane.org>
2008-01-24 12:40 ` Vladislav Bolkhovitin
2008-01-24 16:16 ` [Stgt-devel] " Bart Van Assche
2008-01-24 19:54 ` Vladislav Bolkhovitin
2008-01-25 7:24 ` Bart Van Assche
2008-01-22 12:33 ` Bart Van Assche
2008-01-17 14:22 ` Erez Zilber
[not found] ` <478F64A0.6020201-hKgKHo2Ms0F+cjeuK/JdrQ@public.gmane.org>
2008-01-17 14:32 ` Vladislav Bolkhovitin
[not found] ` <478F6708.30604-d+Crzxg7Rs0@public.gmane.org>
2008-01-17 14:46 ` Erez Zilber [this message]
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