That's correct - without installing SGE you will only get one CPU
running at a time, regardless of what you put in the GUI.
All the best,
Mark
On 27 Apr 2012, at 21:35, Ilia M wrote:
> Thank you Mark,
>
> So then does changing the CPU count to >1 in the POSSUM GUI not do anything at all unless you are running SGE (Sun Grid Engine)?
>
> We do not have SGE installed.
>
> - Ilia
>
> On Fri, 27 Apr 2012 18:34:59 +0100, Mark Jenkinson <[log in to unmask]> wrote:
>
>> Hi,
>>
>> Just to add to this - unless you are running SGE (Sun Grid Engine)
>> then you will not get parallel processes running. FSL is currently
>> not multi-threaded and requires SGE to distribute processes over
>> multiple cores/CPUs.
>>
>> All the best,
>> Mark
>>
>>
>> On 27 Apr 2012, at 18:04, Ivana Drobnjak wrote:
>>
>>> Hello,
>>>
>>> If the 7 files were possum.o1223.1, possum.o1223.2, possum.o1223.3 ... possum.o1223.7 , see inside them and if they all say that the process is finished then it is all fine and your job ran on 7 processors.
>>>
>>> there should be only .sh.o file
>>>
>>>
>>> Ivana
>>>
>>>
>>> On 27 Apr 2012, at 17:55, Ilia M wrote:
>>>
>>>> There are 7 .o files and 1 .sh.o file.
>>>>
>>>> Does this mean that 7 processor cores were used?
>>>>
>>>> Or 7 threads?
>>>>
>>>> (By the way, your reply took 3 minutes! Impressive)
>>>>
>>>> Your reply took 3 minutes, amazing.
>>>> On Fri, 27 Apr 2012 17:47:29 +0100, Ivana Drobnjak <[log in to unmask]> wrote:
>>>>
>>>>> the way to check this is to go to the logs directory and check how many .o files you have. there should be one per processor
>>>>>
>>>>> Ivana
>>>>>
>>>>>
>>>>> On 27 Apr 2012, at 17:44, Ilia M wrote:
>>>>>
>>>>>> Hello all,
>>>>>>
>>>>>> After setting the "CPU" setting to multiples of one (4,6,8, etc), possum still shows up as only 1 process when running "top" from linux.
>>>>>>
>>>>>> Is this correct?
>>>>>>
>>>>>> The "%CPU" field never goes above 100 either (usually stays in the nineties).
>>>>>>
>>>>>> It doesn't look like POSSUM is using more than one CPU.
>>>>>>
>>>>>> Installed CPU: Intel(R) Xeon(R) CPU X5680 @ 3.33GHz (6 core w/ hyper-threading)
>>>>>>
>>>>
>>>
>
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