From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: James Dykman <dykman-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Cc: dor.laor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: PV network performance comparison
Date: Mon, 15 Oct 2007 10:51:13 +0200 [thread overview]
Message-ID: <47132A01.2000605@qumranet.com> (raw)
In-Reply-To: <OF0BAE27C6.6B75A1D6-ON85257371.00749F3B-85257371.007646DD-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
James Dykman wrote:
> Dor,
>
> I ran some netperf tests with your PV
> virtio drivers, along with some Xen PV cases
> and a few others for comparison. I thought you
> (and the list) might be interested in the numbers.
>
> I am going to start looking for bottlenecks, unless
> you need help with the new hypercall updates.
> I'll re-run when that is available.
>
> Jim
>
> TCP REQUEST/RESPONSE (Trans. Rate per sec)
> size kvm.rtl kvm.pv xen.pv xen.um kvm.lo
> 1 2191.47 9533.74 18052.37 13593.58 42400.73
> 64 2184.30 9518.13 17979.93 13557.98 42260.53
> 128 2177.52 9482.45 17940.08 13588.54 40983.90
> 256 2160.49 9465.97 17788.21 13492.42 41170.45
> 512 2130.99 9403.33 17655.11 13489.64 40765.26
> 1024 2074.85 9204.90 17293.06 13572.01 39437.78
> 2048 416.18 4750.41 12907.57 11571.07 37252.42
> 4096 265.22 3691.90 10990.67 9943.64 31905.03
> 8192 116.80 1892.25 8439.83 6604.64 24397.95
> 16384 92.06 1004.58 4535.86 3924.68 17460.30
>
>
A flood ping from guest to host gives almost 10000 transmissions/sec
with the rtl8139 with an FC6 x86_64 guest here.
> TCP STREAM (Throughput 10^6bits/sec)
> size kvm.rtl kvm.pv xen.pv xen.um kvm.lo
> 2048 33.06 507.21 555.94 1442.38 5409.73
> 4096 33.16 526.75 848.26 2359.42 6152.48
> 8192 33.13 527.99 997.69 2418.87 7267.73
> 16384 33.08 525.95 1107.64 2379.50 8434.29
> 32768 33.13 525.38 1199.08 2375.81 8857.09
> 65536 33.20 523.39 1255.33 2473.92 9248.35
> 131072 33.11 520.87 1292.54 2605.49 8559.21
>
xen.um is higher than xen.pv?
I get 8.4 MB/s (67Mb/s) using netcat from guest to host.
--
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prev parent reply other threads:[~2007-10-15 8:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-11 21:30 PV network performance comparison James Dykman
[not found] ` <OF0BAE27C6.6B75A1D6-ON85257371.00749F3B-85257371.007646DD-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-10-11 23:12 ` Dor Laor
2007-10-15 5:34 ` Zhao Forrest
[not found] ` <ac8af0be0710142234q19155a7aia00adf12d0c6e62a-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-15 8:58 ` Avi Kivity
2007-10-15 8:51 ` Avi Kivity [this message]
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