| To: | <kanoj@xxxxxxxxxxxxxxxxxxxx (Kanoj Sarcar) >, "John Hawkes" <hawkes@xxxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: more peeks at performance |
| From: | "John Hawkes" <hawkes@xxxxxxxxxxxxxxxxxxxx> |
| Date: | Thu, 1 Jun 2000 11:51:44 -0700 |
| Cc: | "linux-origin" <linux-origin@xxxxxxxxxxx>, <skunx@xxxxxxxxxxxxxxxxxxxx> |
| References: | <200006011847.LAA91892@google.engr.sgi.com> |
| Sender: | owner-linux-origin@xxxxxxxxxxx |
> I comnpiled a while(1) program, and ran it on a UP kernel, watching > what top shows. Nearly 100% cpu time. 2 copies share 50% cpu time. > Running and timing 2 copies over a wall time of 20 seconds yields > user times of nearly 10 seconds for each. Experiments suggested by > Ananth. > > Looking good. > > Kanoj I did that same thing on a 2-CPU O200 last week. Same results. John |
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