Hi Florian,
please send me your XDS.INP and .LP files by email.
thanks,
Kay
On 2017-07-10 13:24, Florian Sauer wrote:
> Hi Kay,
>
> thanks for your quick response!
>
> a) I am using BUILT=20170615 on Ubuntu 14.04.
> b) xds_par
> c) My machine has 2 cores (4 threads possible). The dataset contains
> 3600 frames. On a different machine (Opensuse) running an older built
> (20170215), xds_par uses all available cores (12) when using the same
> XDS.INP / data.
> d) The input file (non modified as automatically generated at ESRF)
> contains the line: MAXIMUM_NUMBER_OF_PROCESSORS= 16. However when
> running xds_par the output says:
>
> ***** COLSPOT ***** (VERSION Jun 1, 2017 BUILT=20170615) 10-Jul-2017
>
> INPUT PARAMETER VALUES
> ----------------------
> MAXIMUM_NUMBER_OF_PROCESSORS= 1 (0: automatic choice of OpenMP threads)
> number of OpenMP threads used 1
> MAXIMUM_NUMBER_OF_JOBS= 1 (0:automatic choice of forked main tasks)
>
> Everything else runs correctly.
>
> Cheers,
>
> Florian
>
> P.S.: I just checked the auto-processed files from ESRF who are using
> the same XDS version. Also here:
>
> MAXIMUM_NUMBER_OF_PROCESSORS= 1 (0: automatic choice of OpenMP threads)
> number of OpenMP threads used 1
>
>
>
> On 10.07.2017 11:46, Kay Diederichs wrote:
>> Hi Florian,
>>
>> difficult to say without knowing more details.
>>
>> a) you should be using the XDS version that identifies itself with BUILT=20170615
>> b) are you using xds or xds_par? Only xds_par is parallelized, xds is single-threaded
>> c) I assume your machine has >1 core, and a DELPHI-sized batch of frames has >1 frames
>> d) xds_par will not use more threads (specified as MAXIMUM_NUMBER_OF_PROCESSES) than your machine has cores
>>
>> AFAICT you are the only person with this problem, so there must be something special about your input or setup.
>>
>> best,
>> Kay
>>
>>
>>
>> On Mon, 10 Jul 2017 11:25:07 +0200, Florian Sauer <[log in to unmask]> wrote:
>>
>>> Dear all,
>>>
>>> I have recently installed the latest version of XDS (Linux 64 bit) and
>>> found that xds_par is only using a single thread despite having
>>> MAXIMUM_NUMBER_OF_PROCESSORS= 16
>>> In the latest version (licensed till Sep 2017) XDS is using the full
>>> number of threads with the same XDS.INP / data.
>>>
>>> Does anything have to be specified differently in the new version?
>>>
>>> Best wishes,
>>>
>>> Florian
>>>
>>> --
>>> Dr. Florian Sauer
>>> Rudolf Virchow Zentrum für Experimentelle Biomedizin
>>> Josef-Schneider-Str. 2, Haus D15
>>> 97080 Würzburg
>
>
> --
> Dr. Florian Sauer
> Rudolf Virchow Zentrum für Experimentelle Biomedizin
> Josef-Schneider-Str. 2, Haus D15
> 97080 Würzburg
>
--
Kay Diederichs http://strucbio.biologie.uni-konstanz.de
email: [log in to unmask] Tel +49 7531 88 4049 Fax 3183
Fachbereich Biologie, Universität Konstanz, Box M647, D-78457 Konstanz
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