[Difx-users] FxManager: Error in launching writethread!!

Adam Deller adeller at astro.swin.edu.au
Mon May 22 22:06:07 EDT 2017


I don't recall seeing this before.  Might it be an error with pthreads
generally?  Does it still occur if you're running a much smaller
correlation?

Cheers,
Adam

On 23 May 2017 at 12:03, 江悟 <jiangwu at shao.ac.cn> wrote:

>
> Hi all,
>
> Recently I ran difx (2.4.1 version) and came cross the error as following:
> FxManager: Error in launching writethread!!
>
> I was using 100 cores and 4 threads each, 1 seperate header node as set in
> the v2d file. And the visbufferlength was set to 80. The number of stations
> was 3, the raw data was put in a RAID with parallel file system, while the
> visbility output was collected and recorded on the local disk of the header
> noder. Other correlation parameters was,
>   tInt =0.131072
>   subintNS = 8192000
>   nChan = 512
>
> I also checked the memory of the header node, the maximum occupied memory
> is less than 7%. So I don't know the reason of this error. Have you ever
> met this error before and could you please help to identify it?
>
> Thanks a lot.
>
> Best regards,
> Wu Jiang
>
>
>
>
>


-- 
!=============================================================!
Dr. Adam Deller
ARC Future Fellow, Senior Lecturer
Centre for Astrophysics & Supercomputing
Swinburne University of Technology
John St, Hawthorn VIC 3122 Australia
phone: +61 3 9214 5307
fax: +61 3 9214 8797

office days (usually): Mon-Thu
!=============================================================!
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listmgr.nrao.edu/pipermail/difx-users/attachments/20170523/6bd71ac3/attachment.html>


More information about the Difx-users mailing list