From: Andi Kleen <andi@firstfloor.org>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: linux-kernel@vger.kernel.org, mgross@linux.intel.com,
linux-scsi@vger.kernel.org
Subject: Re: Intel IOMMU (and IOMMU for Virtualization) performances
Date: Wed, 04 Jun 2008 18:56:35 +0200 [thread overview]
Message-ID: <873antuojg.fsf@basil.nowhere.org> (raw)
In-Reply-To: <20080604235053K.fujita.tomonori@lab.ntt.co.jp> (FUJITA Tomonori's message of "Wed, 4 Jun 2008 23:47:01 +0900")
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> writes:
>
> I'm just interested in other people's opinions on IOMMU
> implementations, performances, possible future changes for performance
> improvement, etc.
I think using the bitmap is an excellent idea and your numbers look good.
Do you have numbers on the memory consumption too?
Trading some memory for performance is ok for something as performance critical
as the IOMMU.
-Andi
next prev parent reply other threads:[~2008-06-04 17:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-04 14:47 Intel IOMMU (and IOMMU for Virtualization) performances FUJITA Tomonori
2008-06-04 16:56 ` Andi Kleen [this message]
2008-06-05 14:49 ` FUJITA Tomonori
2008-06-04 18:06 ` Grant Grundler
2008-06-05 14:49 ` FUJITA Tomonori
2008-06-05 18:34 ` Grant Grundler
2008-06-05 19:01 ` James Bottomley
2008-06-06 4:44 ` FUJITA Tomonori
2008-06-06 5:48 ` Grant Grundler
2008-06-09 9:36 ` FUJITA Tomonori
2008-06-06 20:23 ` Muli Ben-Yehuda
2008-06-06 20:21 ` Muli Ben-Yehuda
2008-06-06 21:28 ` Grant Grundler
2008-06-06 21:36 ` Muli Ben-Yehuda
2008-06-06 21:51 ` Grant Grundler
2008-06-09 8:17 ` Andi Kleen
2008-06-09 9:36 ` FUJITA Tomonori
2008-06-09 10:20 ` Andi Kleen
2008-06-05 22:02 ` mark gross
2008-06-06 4:44 ` FUJITA Tomonori
2008-06-23 17:54 ` mark gross
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