Re: LMbench 2.4.0-test10pre-SMP vs. 2.2.18pre-SMP

2000-10-24 Thread Dan Maas
> The pipe bandwidth is intimately related to pipe latency. Linux pipes > are fairly small (only 4kB worth of data buffer), so they need good > latency for good performance. ... > The pipe bandwidth could be fairly easily improved by just doubling the > buffer size (or by using VM tricks), but it

Re: LMbench 2.4.0-test10pre-SMP vs. 2.2.18pre-SMP

2000-10-24 Thread Linus Torvalds
In article <[EMAIL PROTECTED]>, Chris Evans <[EMAIL PROTECTED]> wrote: > >On Mon, 23 Oct 2000, Jeff Garzik wrote: > >> First test was with 2.4.0-test10-pre3. >> Next four tests were with 2.4.0-test10-pre4. >> Final four tests were with 2.2.18-pre17. >> >> All are 'virgin' kernels, without any pa

Re: LMbench 2.4.0-test10pre-SMP vs. 2.2.18pre-SMP

2000-10-24 Thread Larry McVoy
On Tue, Oct 24, 2000 at 02:24:24AM -0400, Hank Leininger wrote: > On 2000-10-23, Jeff Garzik <[EMAIL PROTECTED]> wrote: > > > Hardware: > > Dual P-II 400 Mhz > > 128 MB RAM > > 13GB hard drive > > > First test was with 2.4.0-test10-pre3. > > Next four tests were with 2.4.0-test10-pre4. > > Final

Re: LMbench 2.4.0-test10pre-SMP vs. 2.2.18pre-SMP

2000-10-23 Thread Hank Leininger
On 2000-10-23, Jeff Garzik <[EMAIL PROTECTED]> wrote: > Hardware: > Dual P-II 400 Mhz > 128 MB RAM > 13GB hard drive > First test was with 2.4.0-test10-pre3. > Next four tests were with 2.4.0-test10-pre4. > Final four tests were with 2.2.18-pre17. Would it be meaningful to run two concurrent LM

Re: LMbench 2.4.0-test10pre-SMP vs. 2.2.18pre-SMP

2000-10-23 Thread Chris Evans
On Mon, 23 Oct 2000, Jeff Garzik wrote: > First test was with 2.4.0-test10-pre3. > Next four tests were with 2.4.0-test10-pre4. > Final four tests were with 2.2.18-pre17. > > All are 'virgin' kernels, without any patches. [...] I'll take the liberty of highlighting some big changes, v2.2 vs v