Re: Lockless page cache test results

David Chinner
2006-04-28T14:11:03Z

On Sat, Apr 29, 2006 at 12:01:47AM +1000, David Chinner wrote:
>
>
> Loads Type blksize count av_time tput usr% sys% intr%
> ----- ---- ------- ----- ------- ------- ---- ---- -----

Sorry, I forgot units: (s) (MiB/s) (cpu usage)

> 1 read 256.00K 256.00K 82.92 789.59 1.80 215.40 18.40
> 2 read 256.00K 256.00K 53.97 1191.56 2.10 389.40 22.60
> 4 read 256.00K 256.00K 37.83 1724.63 2.20 776.00 29.30
> 8 read 256.00K 256.00K 52.57 1213.63 2.20 1423.60 24.30
> 16 read 256.00K 256.00K 60.05 1057.03 1.90 1951.10 24.30
> 32 read 256.00K 256.00K 82.13 744.73 2.00 2277.50 18.60
> ^^^^^^^ ^^^^^^^

And the reader is dd to /dev/null.

Cheers,

Dave.
--
Dave Chinner
R&D Software Enginner
SGI Australian Software Group