Re: Performance testing of C/R

From: Brent Gorda (bgorda_at_lbl.gov)
Date: Wed Feb 19 2003 - 15:03:38 PST


Mike is seeing 1.4 GByte/sec on the Yottayotta box.  Insert lots of
disclaimers (like no file system ;-), but that is a pretty interesting
number.  I think some straightforward (ie student) work on this front
might net you all a good paper or some excellent PR.

Brent

On Wed, 2003-02-19 at 15:00, Eric Roman wrote:
> On Wed, Feb 19, 2003 at 02:15:57PM -0800, Brent Gorda wrote:
> > 
> > In talking with Mike, I wondered if it might not be a fun exercise for a
> > student this summer to put the C/R code up on the GUPFS cluster and get
> > some timings on the various hardware they are using over there.
> > 
> > Thoughts?
> 
> We've got a lot of room to speed up C/R.  It's not very fast at the moment.
> First on the list would be implementing our own write buffers...  That should
> speed us up quite a bit.
> 
> More performance testing even on our own cluster migt not be a bad idea!
> 
>  - E
> 
> > 
> > Brent
> > 
> 
> -- 
> Eric Roman                       Computational Research Division
> 510-486-6420                     Lawrence Berkeley National Laboratory