Very inconsistent (read) speed on UFS2

[Lev Serebryakov]

Hello, Kirk.
You wrote 31 августа 2011 г., 2:14:04:

>   I'll try this experiment with mmap() and touching every 4096-th byte of
> mapped memory instead of read(2).
  Strange enough, it gives only 40-50MiB/s and results are very
 consistent.

  It really surprise me. I didn't think, that there will be so much
difference, I was sure, that it will be almost equivalent speed.

-- 
// Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>