[Beowulf] What kind of I/O benchmark ?

Guy Coates gmpc at sanger.ac.uk
Wed Mar 23 08:25:08 PST 2005

> I was heard that some BLAST code could be used for such use, does some
> of you follow this way of validating/benchmarking clusters ?

Yes; blast makes a good addition to the benchmarks you already mentioned.
The IO pattern is memory-mapped streaming reads, typically of "large"
(>2GB) files.  Blast won't tell you much about your write performance


Dr. Guy Coates,  Informatics System Group
The Wellcome Trust Sanger Institute, Hinxton, Cambridge, CB10 1SA, UK
Tel: +44 (0)1223 834244 ex 7199

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