30 Aug
2011
30 Aug
'11
15:32
On Tuesday 30 August 2011, Cristian Rodríguez wrote:
is /tmp and in ram ? otherwise your "tests" are meaningless, because you are then measuring I/O aka. the wrong thing!
The real time/user time ratio tells you that it was not waiting for I/O. And HD cache is as fast as RAM: rudi@quant:/tmp> du -sh hist.csv 847M hist.csv rudi@quant:/tmp> time cat hist.csv > /dev/null real 0m0.254s user 0m0.006s sys 0m0.247s cu, Rudi -- To unsubscribe, e-mail: opensuse-factory+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-factory+help@opensuse.org