On Sat, 1 Feb 2003, Con Kolivas wrote:
>Using the osdl hardware (http://www.osdl.org) with contest
>(http://contest.kolivas.net) I've conducted a set of benchmarks with
>different filesystems. Note that contest does not claim to be a throughput
>benchmark.
>
>All of these use kernel 2.5.59
>
>First a set of contest benchmarks with the io load on a different hard disk
>containing each of the four filesystems:
>
>io_other:
>Kernel [runs] Time CPU% Loads LCPU% Ratio
>2559ext3 3 89 84.3 2 5.5 1.13
>2559reiser 3 87 86.2 2 5.7 1.10
>2559jfs 3 87 86.2 3 5.7 1.10
>2559xfs 3 87 86.2 2 4.5 1.10
>
>I found it interesting that there is virtually no difference in kernel
>compilation time with all fs. However jfs consistently wrote more during the
>io load than the other fs.
>
>
>This is a set of benchmarks with the kernel compilation and load all performed
>on each of the fs:
Compilation is inherently CPU bound, not disk I/O bound, so
compiling the kernel (or anything for that matter) isn't going to
show any difference really because the CPU Mhz and L1/L2 cache
are the bottleneck.
-- Mike A. Harris ftp://people.redhat.com/mharris OS Systems Engineer - XFree86 maintainer - Red Hat- 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/
This archive was generated by hypermail 2b29 : Fri Jan 31 2003 - 22:00:25 EST