Simple disk benchmark results

Jon Zeeff zeeff at b-tech.ann-arbor.mi.us
Fri Jun 23 08:38:07 AEST 1989


>>>Test results from*:
>>>
>>>/bin/time dd if=/dev/disk_block_device  of=/dev/null bs=4k count=2000
>>>

>Why not use /dev/raw_disk_device as well to exclude the cache buffering
>in the system?
>

The intent is a very simple benchmark to measure something as close as 
possible to file system performance without introducing variables like 
fragmentation.  Since normal disk i/o does go through the block device 
and the cache ....  


*unloaded systems using real times

-- 
  Jon Zeeff			zeeff at b-tech.ann-arbor.mi.us
  Ann Arbor, MI			sharkey!b-tech!zeeff



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