Hi David,
thanks for the quick feedback:
It looks as if I might have hit an issue:
[root@hosta ~]# cat small.c
#include <stdio.h>
#include <unistd.h>
int main() {
printf("NProc_ONLN: %d\n", sysconf(_SC_NPROCESSORS_ONLN));
printf("NProc_CONF: %d\n", sysconf(_SC_NPROCESSORS_CONF));
}
[root@host~]# gcc small.c -o smallcpus
[root@host ~]# ./smallcpus
NProc_ONLN: 128
NProc_CONF: 128
I will continue to look into the issue, maybe I can unearth something.
Best
-Jonathan
On 12/21/2012 08:53 PM, David Anderson wrote:
> Jonathan:
> BOINC doesn't limit the # of CPUs as far as I know.
> On Linux, the client gets the # of CPUs using:
>
> p_ncpus = sysconf(_SC_NPROCESSORS_ONLN);
>
> Can you see what this returns on your system?
> i.e. run a program of the form
>
> #include <stdio.h>
> #include <unistd.h>
> int main() {
> printf("%d\n", sysconf(_SC_NPROCESSORS_ONLN));
> }
>
> If it shows 128, try replacing _SC_NPROCESSORS_ONLN with _SC_NPROCESSORS_CONF
> and see what it says.
>
> -- David
>
> On 21-Dec-2012 4:38 AM, Jonathan Hoser wrote:
>> Hi all,
>>
>> 7.0.29 (r25790svn) which is packaged with Fedora17 is limited to 128 CPUs
>>
>> I'm not sure if this is server or client bound,
>> but why the limit?
>> I can't use boinc as a test-tool for new servers if it doesn't max them out!
>>
>> Best
>> -Jonathan
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