[Neuroimaging] Slow node starts with nipype

Ian Malone ibmalone at gmail.com
Mon Oct 31 12:37:21 EDT 2016


On 31 October 2016 at 16:02, Satrajit Ghosh <satra at mit.edu> wrote:
> On Mon, Oct 31, 2016 at 11:54 AM, Ian Malone <ibmalone at gmail.com> wrote:
>>
>> Hi,
>>
>> I've been given some nipype workflows to run, and I find that they
>> seem to go very slowly in between execution steps. For example, I'm
>> currently looking at the message:
>>

>> Does anyone have suggestions for what might be happening? This is
>> using the MultiProc engine, storage is NFS.
>>

> dear ian,
>
> there is a config option to sleep between nodes that was changed from 2s to
> 60s. you can reset that option to speed things up.
>
> poll_sleep_duration
>
> http://nipype.readthedocs.io/en/latest/users/config_file.html
>
> you can set this to:
>
> wf_variable.config['execution']['poll_sleep_duraion'] = 2
>

That is so much better, thank you!

-- 
imalone


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