SMP kai load

[Bassoukos Tassos]

On Mon, 5 Jun 2000, Harris Kosmidhs wrote:

> Mia erothsh.
> Douleuo s' enan diplo PIII.
> 
> Trexo to setiathome me nice 16.
> Epeita kano mv ena megalo directory.
> Kano top kai parathro oti kai ta 2 pianoun peripou 97% CPU, kati
> fantazomai einai logiko afou ka8e prog. trexei se 3exoristo epe3ergasth.
> Epeita anoigo to netscape. Oso fortonei to netscape blepo oti de desmeuei
> CPU. Dhaldh afou to netscape xrhsimopoiei CPU otan fortonetai kai to seti
> trexei me nice 16 den 8a eprepe to seti na kanei xrhsh 10% kai to netscape
> to upoloipo?
> 
> epeidh de sumbainei auto, ua i8ela na 3ero pos leitourgei to SMP.
[snip]

Harrh,
exeis mperdepsei merika asxeta pragmata meta3y tous...
 a) to mv einai IO-bound. (dhladh: paei pio grhgora me pio grhgorous
    diskous.)
 b) to setiathome einai CPU-bound (mantepse)
 c) to netscape otan to fortwneis prwth fora (kai den einai sthn cache
    tou mhxanhmatos) fortwnei to ektelesimo sthn mnhmh, ara einai
    IO-bound.

To SMP einai orthogonal ws pros ayta.

Tassos
-- 
Bassoukos Tassos   +30 31 996011 / +30 93 7109954
 Computer Shaman and Informatics Thaumaturge

ceterum censeo, delenda est microsoft


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