Re: advantage using multiple cpus

2007-05-12 Thread Olaf Selke
Olaf Selke wrote: [EMAIL PROTECTED] wrote: I suggest setting it to 2 and seeing if performance improves for you. I think this won't change anything cause one cpu still is doing all the work and the other three cpus will be more or less idle. But I'll check it... as expected

Re: advantage using multiple cpus

2007-05-09 Thread Olaf Selke
[EMAIL PROTECTED] wrote: I suggest setting it to 2 and seeing if performance improves for you. I think this won't change anything cause one cpu still is doing all the work and the other three cpus will be more or less idle. But I'll check it... Olaf

Re: advantage using multiple cpus

2007-05-09 Thread Watson Ladd
Roger Dingledine wrote: On Wed, May 09, 2007 at 08:31:44AM +0200, Olaf Selke wrote: [EMAIL PROTECTED] wrote: I suggest setting it to 2 and seeing if performance improves for you. I think this won't change anything cause one cpu still is doing all the work and the other three cpus

advantage using multiple cpus

2007-05-07 Thread Olaf Selke
hi, I'm running tor on a dual Xeon Linux box having the numcpus param set to the value of four. Bios reports two Xeon cpus with hyperthreading to the Linux kernel 2.6.18 as four processors. Nevertheless throughput appears to be limited by the cpu running the main thread doing nearly all the work: