[Bioclusters] OS X and NFS

[Tim Cutts]

On 15 Jul 2005, at 8:05 pm, Rayson Ho wrote:

> --- David Kramer <dave at princetonsolutionsgroup.com> wrote:
>
>> Respectfully, and at the risk of sounding, ridiculously naive -- why
>> not
>> consider upgrading the I/O switching technology to Myrinet or
>> Infiniband for
>> higher-bandwidth and ultra-low latency, before buying more servers?
>>
>
> If you look at the cost of the NIC, switch, and the cables, then you
> will know why...
>
> Latency is a big issue when your (MPI) tasks need to exchange tons of
> small messages.

Some might say that such code needs to be re-factored so that the  
messages are fewer and larger.  :-)

Tim

-- 
Dr Tim Cutts
Informatics Systems Group, Wellcome Trust Sanger Institute
GPG: 1024D/E3134233 FE3D 6C73 BBD6 726A A3F5  860B 3CDD 3F56 E313 4233