Re: Perforamnce comparison between 2.3.8 and 2.2.10

Stephen C. Tweedie (sct@redhat.com)
Mon, 28 Jun 1999 19:08:14 +0100 (BST)


Hi,

On Sat, 26 Jun 1999 18:57:48 -0700 (PDT), Rudolf Leitgeb
<leitgeb@variable.stanford.edu> said:

> 2.2.10:
> First test run: 285s user, 26.58s system, 3:30 elapsed
> 2.3.8:
> First test run: 298s user, 29.8s system, 3:44 elapsed

> I also observed the following: While I did run into swap when I ran
> the test under 2.2.10, swapping did not occur under 2.3.8. This makes
> it even more surprising that 2.3.8 came out slower than 2.2.10,
> especially after the announcement, that 2.3.8 came with speed
> improvements for SMP systems.

No, it sounds as if most of the difference is coming from the fact that
2.2.10 _did_ swap, and so had more memory to play with when it camt to
doing useful work. Tuning this right is still an ongoing work for 2.3.

--Stephen

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/