Any news on Infiniband ?
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Markus Fischer markus at markus-fischer.deWed Feb 26 12:04:39 PST 2003
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What about CPU load ? Is it PIO only or DMA ? The OSU numbers dropped off right when hitting the L2 cache size ... Markus Anthony Skjellum wrote: >Hi, we have 8.7us for zero byte messages in our MPI/Pro library. I've >heard a rumor that OSU is claiming 7.5 for their experimental MPI. > >We've seen bandwidths of over 820Mbyte/s with Mellanox gear on page >aligned data, with SWGC chipset, but not at 128 byte size transfers. > >-Tony > >On Wed, 26 Feb 2003 pascal.deveze at bull.net wrote: > > > >>I'd like to get recent information on that new interconnect technology. >> >>I know that information can be found on different sites : >> >>http://infiniband.sourceforge.net >>http://www.mellanox.com/technology/whitepapers.html >> >>But, I cannot see recent news and forecast. I'd like to know if >>optimisations of hardware and software are planned and what are the >>goals in term of : >> >>- Bandwidth : My last information is that current maximum is about 800 MBytes/s >> for message size of 128 KBytes >> >>- Latency (message of 0 0byte) : My last information is that current minimum >> is about 20 micros. >> >>- Milestone for optimisations. I do not have any information. >> >>- Hardware / Software optimizations: I do not have any information >> >> >>_______________________________________________ >>Beowulf mailing list, Beowulf at beowulf.org >>To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf >> >> >> > >Anthony Skjellum PhD, CTO | MPI Software Technology, Inc. >101 South Lafayette St, Ste. 33 | Starkville, MS 39759, USA >Ph: +1-(662)320-4300 x15 | FAX: +1-(662)320-4301 > >http://www.mpi-softtech.com | tony at mpi-softtech.com > >Middleware that's hard at work for you and your enterprise.(SM) > >_______________________________________________ >Beowulf mailing list, Beowulf at beowulf.org >To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf > > >
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