[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: grep speed on Opteron vs P4



-- Start of PGP signed section.
[Charset ISO-8859-1 unsupported, filtering to ASCII...]
>T. Horsnell wrote:
>> I'm seeing huge discrepancies in grep speed between
>> my Opteron box and P4 boxes.
>> 
>> The Opteron box:
>> ls1_tsh> time grep rubbishrubbish /tshgrp0/tsh/junkjunk
>> 41.618u 1.263s 0:43.30 99.0%    0+0k 0+0io 0pf+0w
>> 
>> The P4 box:
>> fm22_tsh> time grep rubbishrubbish /scr0/tsh/junkjunk
>> 0.272u 0.318s 0:00.59 98.3%     0+0k 0+0io 0pf+0w
>
>Isn't 0.272u a lot faster then 41.618u? Are these the real, user or
>system times?

It certainly is.
1st column (u) = time spent in user mode
2nd column (s) = time spent in system mode
3rd column     = total elapsed time.

The P4 box did it in 0.59 secs, the Opteron took 43.3 secs.

Cheers,
T.

>
>Kind regards,
>
>-kanarip
>
>-- 
>Jeroen van Meeuwen, LPIC-1, MCP, CCNA
>http://www.kanarip.com/
>C6B0 7FB4 43E6 CDDA D258  F70B 28DE 9FDA 9342 BF08
>
-- End of PGP section, PGP failed!

>-- 
>fedora-list mailing list
>fedora-list redhat com
>To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]