public inbox for kvm@vger.kernel.org
 help / color / mirror / Atom feed
From: Avi Kivity <avi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Alexander Graf <agraf-l3A5Bk7waGM@public.gmane.org>
Cc: "kvm-ppc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<kvm-ppc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 00/18] KVM: PPC: Virtualize Gekko guests
Date: Tue, 09 Feb 2010 13:06:27 +0200	[thread overview]
Message-ID: <4B7141B3.8000309@redhat.com> (raw)
In-Reply-To: <4B714049.7010201-l3A5Bk7waGM@public.gmane.org>

On 02/09/2010 01:00 PM, Alexander Graf wrote:
>
>> That's pretty impressive (never saw x86 with this exit rate) but it's
>> more than 1000 times slower than the hardware, assuming 1 fpu IPC (and
>> the processor can probably do more).  An fpu intensive application
>> will slow to a crawl.
>>      
> Measuring a typical Gekko application, I get about 200k-250k of fpu
> (incl. paired singles) instructions per second.
>    

Virtualized, yes?  What's the rate on bare metal?

-- 
error compiling committee.c: too many arguments to function

  parent reply	other threads:[~2010-02-09 11:06 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-04 15:55 [PATCH 00/18] KVM: PPC: Virtualize Gekko guests Alexander Graf
2010-02-04 15:55 ` [PATCH 01/18] KVM: PPC: Add QPR registers Alexander Graf
2010-02-04 15:55 ` [PATCH 07/18] KVM: PPC: Combine extension interrupt handlers Alexander Graf
2010-02-04 15:55 ` [PATCH 08/18] KVM: PPC: Preload FPU when possible Alexander Graf
2010-02-04 15:55 ` [PATCH 09/18] KVM: PPC: Fix typo in book3s_32 debug code Alexander Graf
2010-02-04 15:55 ` [PATCH 10/18] KVM: PPC: Implement mtsr instruction emulation Alexander Graf
2010-02-04 15:55 ` [PATCH 11/18] KVM: PPC: Make software load/store return eaddr Alexander Graf
2010-02-04 15:55 ` [PATCH 13/18] KVM: PPC: Add helpers to call FPU instructions Alexander Graf
2010-02-04 15:55 ` [PATCH 17/18] KVM: PPC: Reserve a chunk of memory for opcodes Alexander Graf
2010-02-04 15:55 ` [PATCH 18/18] KVM: PPC: Implement Paired Single emulation Alexander Graf
     [not found]   ` <1265298925-31954-19-git-send-email-agraf-l3A5Bk7waGM@public.gmane.org>
2010-02-07 12:50     ` Avi Kivity
2010-02-07 15:57       ` Alexander Graf
2010-02-07 16:18         ` Avi Kivity
     [not found] ` <1265298925-31954-1-git-send-email-agraf-l3A5Bk7waGM@public.gmane.org>
2010-02-04 15:55   ` [PATCH 02/18] KVM: PPC: Enable MMIO to do 64 bits, fprs and qprs Alexander Graf
     [not found]     ` <1265298925-31954-3-git-send-email-agraf-l3A5Bk7waGM@public.gmane.org>
2010-02-07 12:29       ` Avi Kivity
     [not found]         ` <4B6EB229.8090502-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-07 15:51           ` Alexander Graf
2010-02-04 15:55   ` [PATCH 03/18] KVM: PPC: Teach MMIO Signedness Alexander Graf
     [not found]     ` <1265298925-31954-4-git-send-email-agraf-l3A5Bk7waGM@public.gmane.org>
2010-02-07 12:32       ` Avi Kivity
     [not found]         ` <4B6EB2D7.1030500-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-07 15:51           ` Alexander Graf
     [not found]             ` <3CEF000F-1751-4E65-A08A-C71B2CE8DAEE-l3A5Bk7waGM@public.gmane.org>
2010-02-07 16:15               ` Avi Kivity
2010-02-07 16:27           ` Anthony Liguori
2010-02-07 21:35             ` Alexander Graf
     [not found]               ` <1CA08386-21CA-4B4F-A1E6-56C4DE584BA6-l3A5Bk7waGM@public.gmane.org>
2010-02-07 22:13                 ` Anthony Liguori
2010-02-04 15:55   ` [PATCH 04/18] KVM: PPC: Add AGAIN type for emulation return Alexander Graf
2010-02-04 15:55   ` [PATCH 05/18] KVM: PPC: Add hidden flag for paired singles Alexander Graf
2010-02-04 15:55   ` [PATCH 06/18] KVM: PPC: Add Gekko SPRs Alexander Graf
2010-02-04 15:55   ` [PATCH 12/18] KVM: PPC: Make ext giveup non-static Alexander Graf
2010-02-04 15:55   ` [PATCH 14/18] KVM: PPC: Fix error in BAT assignment Alexander Graf
2010-02-04 15:55   ` [PATCH 15/18] KVM: PPC: Add helpers to modify ppc fields Alexander Graf
2010-02-04 15:55   ` [PATCH 16/18] KVM: PPC: Enable program interrupt to do MMIO Alexander Graf
2010-02-07 12:54   ` [PATCH 00/18] KVM: PPC: Virtualize Gekko guests Avi Kivity
     [not found]     ` <4B6EB7F6.10304-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-07 15:49       ` Alexander Graf
2010-02-07 16:22         ` Avi Kivity
2010-02-07 22:02           ` Alexander Graf
2010-02-08  8:53             ` Avi Kivity
     [not found]               ` <4B6FD118.2090207-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-08 10:58                 ` Alexander Graf
     [not found]                   ` <87CEECB5-107A-46EB-89F5-1E1F92AC22AA-l3A5Bk7waGM@public.gmane.org>
2010-02-08 11:09                     ` Avi Kivity
     [not found]                       ` <4B6FF0E6.6060309-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-08 11:30                         ` Alexander Graf
     [not found]                           ` <A5BC5A7E-D45B-4BAF-804A-B364810F50DA-l3A5Bk7waGM@public.gmane.org>
2010-02-08 12:03                             ` Avi Kivity
     [not found]                               ` <4B6FFD85.6090100-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-08 12:05                                 ` Alexander Graf
     [not found]                                   ` <939C8633-1B2C-4888-B1C1-357DF1C56CE6-l3A5Bk7waGM@public.gmane.org>
2010-02-08 12:15                                     ` Avi Kivity
2010-02-08 12:31                                       ` Alexander Graf
2010-02-09 11:00               ` Alexander Graf
     [not found]                 ` <4B714049.7010201-l3A5Bk7waGM@public.gmane.org>
2010-02-09 11:06                   ` Avi Kivity [this message]
2010-02-09 11:13                     ` Alexander Graf
     [not found]                       ` <4B71435E.7010103-l3A5Bk7waGM@public.gmane.org>
2010-02-09 12:27                         ` Avi Kivity
     [not found]                           ` <4B7154A6.6050809-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-17 14:56                             ` Alexander Graf
     [not found]                               ` <80F0B53A-6F83-4166-8F85-5D9B07526158-l3A5Bk7waGM@public.gmane.org>
2010-02-17 16:03                                 ` Avi Kivity
     [not found]                                   ` <4B7C134C.9040009-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-17 16:23                                     ` Alexander Graf
2010-02-17 16:34                                       ` Avi Kivity
     [not found]                                         ` <4B7C1A91.8060205-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-17 18:07                                           ` Alexander Graf
     [not found]                                             ` <D3C1F39A-E9C8-46B8-9C4A-12E56D34B5AC-l3A5Bk7waGM@public.gmane.org>
2010-02-18  7:40                                               ` Avi Kivity
     [not found]                                                 ` <4B7CEEFF.9000801-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-18  8:04                                                   ` Avi Kivity

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=4B7141B3.8000309@redhat.com \
    --to=avi-h+wxahxf7alqt0dzr+alfa@public.gmane.org \
    --cc=agraf-l3A5Bk7waGM@public.gmane.org \
    --cc=kvm-ppc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox