[Beowulf] Stroustrup regarding multicore
Perry E. Metzger
perry at piermont.com
Fri Aug 29 09:34:51 PDT 2008
Tim Cutts <tjrc at sanger.ac.uk> writes:
> These issues are very relevant to successful beowulf computing; as
> others have said getting this wrong can cause performance problems
> of two or more orders of magnitude, which is much worse than the
> difference between (say) using infiniband and GigE for the
> interconnect. So one could argue that getting the programming
> culture right is actually *more* important than some of the
> technical details we like to get so bogged down in.
Ditto. Triple ditto, in fact. If you have a big project, you need to
co-design the software and hardware architectures if you want to use
resources efficiently.
Perry
--
Perry E. Metzger perry at piermont.com
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