[Swift-devel] Re: Question of wrapper.sh

[Zhao Zhang]

well, the tar ball I sent in the last email is from 256 cores, are they 
from the same cpu? By the way, I tried to find the .log files, but there 
isn't any in the folder where I started the swift script.

zhao

Ioan Raicu wrote:
> Ben,
> Those logs are only for 1 CPU, so most things will take less than 1 
> sec.  In the case where we use 100s of CPUs (a basic scenario for the 
> BG/P), things will take 10s of seconds, so 1 sec resolution should be 
> OK.  Zhao, did you re-run that test with 256 CPUs?  Ben should be 
> looking at those logs, not the 1 CPU case.
>
> Ioan
>
> Ben Clifford wrote:
>> Whichever version of date that you used, it doesn't support more than 
>> 1s accuracy in its output. That's irksome because its that subsecond 
>> accuracy that I wanted from these log files.
>>
>> date on os x doesn't have that precision, fairly recent (in the past 
>> couple of years at least) GNU coreutils date does. It would be nice 
>> if you could find if that is installed and use that instead...
>>   
>