[RC5] performance

SvR Marty svrmarty at gmx.net
Sun Sep 14 00:46:24 EDT 2003


see
http://lists.distributed.net/pipermail/rc5/2003-August/040058.html
and
http://n0cgi.distributed.net/bugs/show_bug.cgi?id=2790



----- Original Message -----
From: "chandler sobel-sörenson" <scar at fugazi.engr.arizona.edu>
To: <rc5 at lists.distributed.net>
Sent: Saturday, September 13, 2003 10:54 PM
Subject: [RC5] performance


> i have just bought myself a new computer with 2 intel xeon 2.80GHz with
htt
> :).  now i have had dnetc running for several hours now and my overall
> keyrate is only ~3.8 Mkeys/s.  now i have it also running on my laptop
with
> a 600 MHz pIII and it is getting ~1 Mkeys/s. also, on a p4 1.60 GHz i was
> getting something like 1.6Mkeys/s.  now with this htt i understand it
> emulates actually 4 cpus, which is consistent with dnetc saying it has
> detected 4 cpus:
>
> [Sep 13 08:05:55 UTC] Automatic processor detection found 4 processors.
> [Sep 13 08:06:05 UTC] Automatic processor type detection found
>                       an Intel Xeon processor.
> [Sep 13 08:06:05 UTC] RC5-72: using core #3 (DG 3-pipe).
>
> i am not satisfied with this 3.8 Mkeys/s., i am thinking i should be
getting
> ~20 Mkeys/s.  now, when i change the "numbert of crunchers to run
> simultaneously" to 2 my rate jumps up to like 7.2 Mkeys/s.  i have not yet
> seen what rate i get if i only run 1 cruncher simultaneously.  regardless,
i
> think i should be getting better performance.  anybody have suggestions?
> thanks
>
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