Messages in this thread | | | Subject | 2.5.44-[mm3, ac2] time to tar zxf kernel tarball compared for various fs. | From | Steven Cole <> | Date | 23 Oct 2002 13:42:13 -0600 |
| |
Greetings all,
I performed some timing tests for 2.5.44 mm3 and ac2, using tar zxf of the 2.5.44 tarball and rm -rf of the resulting tree as the load.
I performed each of these 4 times. There was some variation between runs, but not as much as between kernel versions. This data comes from the first of the 4 runs in each case.
The hardware was a single PIII, kernels were UP, PREEMPT. All partitions are on the same disk, a ST340016A ATA. For mm3, SHAREPTE was not enabled.
This is not intended as a comparison between filesystems, since each is on a different part of the disk. But the reputation for reiserfs to be able to delete files quickly seems deserved. The side-by-side numbers are intended to show the amount of regression for each fs.
Yes, I know it would be nice to compare plain 2.5.44 too, but there is only so much time in the day.
Steven
ext3 tar zxf linux-2.5.44.tar.gz 2.5.44-mm3 2.5.44-ac2 user 4.42 4.39 system 4.09 4.05 elapsed 00:53.17 00:34.05 % CPU 16 24
rm -rf linux-2.5.44 2.5.44-mm3 2.5.44-ac2 user 0.02 0.02 system 0.58 0.58 elapsed 00:19.73 00:14.13 % CPU 3 4
reiserfs tar zxf linux-2.5.44.tar.gz 2.5.44-mm3 2.5.44-ac2 user 4.57 4.51 system 5.4 5.22 elapsed 00:15.58 00:14.09 % CPU 64 69
rm -rf linux-2.5.44 2.5.44-mm3 2.5.44-ac2 user 0.02 0.02 system 1.65 1.66 elapsed 00:04.38 00:01.92 % CPU 38 88
xfs tar zxf linux-2.5.44.tar.gz 2.5.44-mm3 2.5.44-ac2 user 4.61 4.6 system 6.13 6.08 elapsed 00:58.93 00:40.26 % CPU 18 26
rm -rf linux-2.5.44 2.5.44-mm3 2.5.44-ac2 user 0.07 0.05 system 2.23 2.14 elapsed 00:19.15 00:08.68 % CPU 12 25
jfs tar zxf linux-2.5.44.tar.gz 2.5.44-mm3 2.5.44-ac2 user 4.53 4.4 system 4.01 3.94 elapsed 00:34.71 00:31.67 % CPU 24 26
rm -rf linux-2.5.44 2.5.44-mm3 2.5.44-ac2 user 0.03 0.03 system 0.62 0.55 elapsed 00:14.78 00:08.60 % CPU 4 6
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |