From: Paolo Bonzini <pbonzini@redhat.com>
To: "BALATON Zoltan" <balaton@eik.bme.hu>,
"Alex Bennée" <alex.bennee@linaro.org>
Cc: Richard Henderson <rth@twiddle.net>,
Xin Tong <trent.tong@gmail.com>,
QEMU Developers <qemu-devel@nongnu.org>,
afaerber@suse.de
Subject: Re: [Qemu-devel] [PATCH v2] cpu: implementing victim TLB for QEMUsystem emulated TLBB
Date: Sat, 25 Jan 2014 09:28:24 +0100 [thread overview]
Message-ID: <52E375A8.1090703@redhat.com> (raw)
In-Reply-To: <alpine.GSO.2.01.1401242323530.11354@mono>
Il 24/01/2014 23:32, BALATON Zoltan ha scritto:
> On Fri, 24 Jan 2014, Alex Bennée wrote:
>> trent.tong@gmail.com writes:
>>> Attaching data in excel which could not be sent with the patch at the
>>> same time.
>>>
>> <snip>
>>
>> If you can attach the summary of the data as plain text that would be
>> useful. Not all of us have access to a Windows box with Excell!
>
> Opens on LibreOffice as well but plain text is easier to read.
>
> I wonder how much of the measured performance increase is due to the
> increased effective cache size and how much is the reduction in number
> of instructions by the victim TLB mechanism. Wouldn't it be a more fair
> measurement to use a bigger TLB size for the TLB only case that matches
> the effective size of the TLB+victim case instead of using the same TLB
> size for both?
That's quite unlikely, the TLB size is 256 while TLB+victim is 264.
Paolo
next prev parent reply other threads:[~2014-01-25 8:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-23 19:49 [Qemu-devel] [PATCH v2] cpu: implementing victim TLB for QEMU system emulated TLB Xin Tong
2014-01-23 19:54 ` Xin Tong
2014-01-24 12:15 ` [Qemu-devel] [PATCH v2] cpu: implementing victim TLB for QEMUsystem emulated TLBB Alex Bennée
2014-01-24 16:46 ` Richard Henderson
2014-01-24 22:32 ` BALATON Zoltan
2014-01-25 8:28 ` Paolo Bonzini [this message]
2014-01-23 20:44 ` [Qemu-devel] [PATCH v2] cpu: implementing victim TLB for QEMU system emulated TLB Max Filippov
2014-01-23 21:29 ` Xin Tong
2014-01-23 21:46 ` Max Filippov
2014-01-23 21:47 ` Richard Henderson
2014-01-23 21:52 ` Xin Tong
2014-01-23 21:56 ` Peter Maydell
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