[DFTB-Plus-User] GPU-accelerated MPI/OpenMP jobs using GFN2-xtb

Thu May 4 12:48:45 CEST 2023

Hello Jerry,

We've updated the install information in the source tree (this will be in the next release, but for the moment see https://github.com/dftbplus/dftbplus/blob/main/INSTALL.rst for the extra flags).

Regards

Ben

Dr. B. Hourahine
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Department of Physics, SUPA
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________________________________
From: DFTB-Plus-User <dftb-plus-user-bounces at mailman.zfn.uni-bremen.de> on behalf of Jerry Tanoury <jerry_tanoury at vrtx.com>
Sent: 04 May 2023 11:38
To: User list for DFTB+ related questions <dftb-plus-user at mailman.zfn.uni-bremen.de>
Subject: Re: [DFTB-Plus-User] GPU-accelerated MPI/OpenMP jobs using GFN2-xtb

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Hi Balint,
Thank you.  I was not aware of needing the flag.  Was there something I missed in INSTALL?

Best regards,

Jerry

Gerald J. Tanoury, Ph.D.
Principal Scientific Fellow
Vertex Pharmaceuticals
50 Northern Avenue
Boston, MA 02210
Office: 617-341-6219
Cell: 508-740-4986
jerry_tanoury at vrtx.com
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-----Original Message-----
From: DFTB-Plus-User <dftb-plus-user-bounces at mailman.zfn.uni-bremen.de> On Behalf Of Bálint Aradi
Sent: Thursday, May 4, 2023 3:43 AM
To: User list for DFTB+ related questions <dftb-plus-user at mailman.zfn.uni-bremen.de>
Subject: Re: [DFTB-Plus-User] GPU-accelerated MPI/OpenMP jobs using GFN2-xtb

CAUTION: This email originated from outside of Vertex. Do not open links or attachments unless you know the sender and believe it is safe. If you suspect that this email is a potentially malicious email, please click on the Report Phish button.

Dear Jerry,

the same solvers should be supported as with the DFTB Hamiltonian. You need a binary built with the -DWITH_GPU=1 flag in order to use the Magma solver. The release binaries distributed via Conda or GitHub are all built without GPU support.

Best regards,

Bálint

On 03.05.23 18:44, Jerry Tanoury wrote:
> Thank you Balint.  For GFN2, what solvers are supported.  I tried 'Solver = MAGMA{}', but I got an error saying 'Unknown electronic solver'.  I was hoping to use GFN2 with GPU acceleration.
>
> Best regards,
> Jerry
>
> Gerald J. Tanoury, Ph.D.
> Principal Scientific Fellow
> Vertex Pharmaceuticals
> 50 Northern Avenue
> Boston, MA 02210
> Office: 617-341-6219
> Cell: 508-740-4986
> jerry_tanoury at vrtx.com
> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.vrtx.com%2F&data=05%7C01%7Cbenjamin.hourahine%40strath.ac.uk%7Cac5073cff14446d777b908db4c8bb4d2%7C631e0763153347eba5cd0457bee5944e%7C0%7C0%7C638187935141190918%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=oV7z7cPikP5wjEcCqsRVdiFGLG29kUV3MSfFJmZOJSE%3D&reserved=0<http://www.vrtx.com/>
>
> -----Original Message-----
> From: DFTB-Plus-User
> <dftb-plus-user-bounces at mailman.zfn.uni-bremen.de> On Behalf Of Bálint
> Aradi
> Sent: Wednesday, May 3, 2023 10:46 AM
> To: dftb-plus-user at mailman.zfn.uni-bremen.de
> Subject: Re: [DFTB-Plus-User] GPU-accelerated MPI/OpenMP jobs using
> GFN2-xtb
>
> CAUTION: This email originated from outside of Vertex. Do not open links or attachments unless you know the sender and believe it is safe. If you suspect that this email is a potentially malicious email, please click on the Report Phish button.
>
>
>
> Dear Jerry,
>
> the number of processes you use must be divisible by the number of processor groups. So, if you want to use 4 groups, you need 4n parallel processes.
>
> Best regards,
>
> Bálint
>
>
> Ps. Please also note, that periodic structures were not taken into account, when GFN2 was parameterized. Make sure to check compare your results with reference ab initio calculation before making production runs for big systems.
>
>
> On 24.04.23 23:08, Jerry Tanoury wrote:
>> Hi,
>>
>> I'm trying to run a dftb+ v22.1 job using GFN2-xtb Hamiltonian, with
>> GPU acceleration and MPI/OpenMP parallelization.  I am using a poscar
>> structure file.  However, I am getting the following error message:
>>
>> ERROR!
>>
>> -> Number of groups (4) not compatible with number of processes (1)
>>
>> I have attached my input file, my output file, the cluster submit
>> script, and a sourcing file that sets paths.
>>
>> What am I doing wrong?
>>
>> Thank you so much for your help,
>>
>> Jerry
>>
>> Gerald J. Tanoury, Ph.D.
>>
>> Principal Scientific Fellow
>>
>> *Vertex Pharmaceuticals*
>>
>> 50 Northern Avenue
>>
>> Boston, MA 02210
>>
>> Office: 617-341-6219
>>
>> Cell: 508-740-4986
>>
>> jerry_tanoury at vrtx.com
>>
>> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.vrtx.com%2F&data=05%7C01%7Cbenjamin.hourahine%40strath.ac.uk%7Cac5073cff14446d777b908db4c8bb4d2%7C631e0763153347eba5cd0457bee5944e%7C0%7C0%7C638187935141190918%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=oV7z7cPikP5wjEcCqsRVdiFGLG29kUV3MSfFJmZOJSE%3D&reserved=0<http://www.vrtx.com/>
>>
>>
>>
>> This email message and any attachments are confidential and intended
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>
> --
> Dr. Bálint Aradi
> Bremen Center for Computational Materials Science, University of
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--
Dr. Bálint Aradi
Bremen Center for Computational Materials Science, University of Bremen https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.bccms.uni-bremen.de%2Fcms%2Fpeople%2Fb-aradi%2F&data=05%7C01%7Cbenjamin.hourahine%40strath.ac.uk%7Cac5073cff14446d777b908db4c8bb4d2%7C631e0763153347eba5cd0457bee5944e%7C0%7C0%7C638187935141190918%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=SfjqdGRhMqfEb1rksQRxMSSri7bOU58wZb5YisRYh5s%3D&reserved=0<http://www.bccms.uni-bremen.de/cms/people/b-aradi/>

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