interconnect latency, dissected.

Joachim Worringen joachim at ccrl-nece.de
Thu Jul 3 04:22:08 EDT 2003


John Taylor:
> For completeness here is the shmem_put performance on a new bridge.
>
>
> prun -N2 sping -f put  -b 1000 0 8
>   1:        4 bytes      1.60 uSec     2.50 MB/s
>   1:        8 bytes      1.60 uSec     5.00 MB/s
>   1:       16 bytes      1.58 uSec    10.11 MB/s

The latency decrease is impressive for this bridge - which one is it? Can you 
tell?

 Joachim

-- 
Joachim Worringen - NEC C&C research lab St.Augustin
fon +49-2241-9252.20 - fax .99 - http://www.ccrl-nece.de

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