On 8/9/06, Matthias Andree <[EMAIL PROTECTED]> wrote:
1. gzip isn't usually used to compress incompressible data. 2. use "time" to figure out how much CPU time it actually burns. 5 GB are somewhat I/O bound, but gcc options don't help with that, so CPU time is better than wallclock time.
dd if=/dev/zero of=testfile bs=1m count=5000 gzip comiled with -O3 # time nice -10 ./gzip -c9 testfile > /dev/null 73.187u 8.682s 2:08.41 63.7% 70+617k 40161+0io 0pf+0w gzip compiled with -O2 # time nice -10 ./gzip -c9 testfile > /dev/null 61.183u 8.468s 2:00.14 57.9% 58+609k 40162+0io 0pf+0w Now... what do all of those numbers mean, I've never used time before... thanks for the tip btw? -- BSD Podcasts @: http://bsdtalk.blogspot.com/ http://freebsdforall.blogspot.com/ _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
