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Re: [Xen-devel] [PATCH] Network Checksum Removal



On Monday 23 May 2005 16:01, Bin Ren wrote:
> Machines spec:
>
> External server:
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 1024K (64 bytes/line)
> CPU: AMD Athlon(tm) 64 Processor 3200+ stepping 08
> Memory: 1024M DDR400 CAS 3
> NIC: 1Gb/s Intel Pro/1000 MT Desktop
>
> Xen machine:
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 256K (64 bytes/line)
> CPU: AMD Sempron(tm) 2200+ stepping 01
> Memory: 1024M DDR400 CAS 3
> NIC: 1Gb/s Intel Pro/1000 MT Desktop
>
> The highest number I'm seeing here is 760Mbps running native linux on
> the Xen machine.

This still seems kind of low.  With netperf tcp_stream test I see 940 
Mbps, basically wire speed with somewhere around 30% cpu on a P4 Xeon.  
Do you know the cpu util for native linux test?

-Andrew

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