From: Brent Gorda (bgorda_at_lbl.gov)
Date: Wed Feb 19 2003 - 15:33:07 PST
I think they have 24 nodes on that system. Lots of storage targets too. Whether they'd take an interest in this, we'd have to investigate. Brent On Wed, 2003-02-19 at 15:41, Eric Roman wrote: > > It sounds like a good idea. > > What I'm saying is that I don't know if we're capable of generating data > that quickly. We might have to fiddle with it for a week or two to > make it fast. > > How many nodes are on GUPFS? If it really is a parallel FS, we might be > able to saturate with multiple nodes... > > - E > > On Wed, Feb 19, 2003 at 03:03:38PM -0800, Brent Gorda wrote: > > 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 > > > > -- > Eric Roman Computational Research Division > 510-486-6420 Lawrence Berkeley National Laboratory