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Re: [Qemu-devel] How to measure guest memory access (qemu_ld/qemu_st) ti

From: Wei-Ren Chen
Subject: Re: [Qemu-devel] How to measure guest memory access (qemu_ld/qemu_st) time?
Date: Wed, 20 Jun 2012 15:57:04 +0800
User-agent: Mutt/1.5.21 (2010-09-15)

  CC'ed to the mailing list.

Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
--- Begin Message --- Subject: Re: [Qemu-devel] How to measure guest memory access (qemu_ld/qemu_st) time? Date: Tue, 19 Jun 2012 12:01:08 +0300 User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1
On 06/19/2012 11:49 AM, 陳韋任 (Wei-Ren Chen) wrote:
>   Mind me CC this to ML? :)
sure I will read the threads to understand more.

>> Well it was a while back (2008-9) ,the company was acquired by IBM a year 
>> later :
>> http://www.linux-kvm.org/wiki/images/9/98/KvmForum2008%24kdf2008_2.pdf
>> I think stefan Hanjoczi worked there ...
>> The company used the technology for cross platform guest support but claim 
>> to get speedup too
>> (for ppc) don't think the speedup was related to mmu but more to the 
>> instruction stream.
>> I hope this is helpful.
>   Thanks.
>> Do you have performance result for the cost of the address translation ?
>> If I understand you are concentrating on ARM ?
>   The whole discussion thread is on [1], and you can get some feel about
> the cost of address translation here [2]. Yes, ARM is our target right now,
> but I think we are not limit to it. 
> Regards,
> chenwj
> [1] http://www.mail-archive.com/address@hidden/msg116159.html
> [2] http://www.mail-archive.com/address@hidden/msg116404.html

--- End Message ---

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