Dear Colleagues,
At the Mantid Programme Board yesterday it was noted that the Epic to implement multiple bounce points in the Mantid geometry framework was still lacking an owner. Without an owner the work will not be considered further.
There is also a suggestion that the case of scanning instruments should be a separate Epic. That would then also require a scientific owner.
If you would like to volunteer for one or other (or both!) of these, please contact Sarah Foxley asap. The next MPB Epics Discussion will be in around 6-8 weeks.
Many thanks,
Steve
On behalf of the MPB
From: Dalgliesh, Robert (STFC,RAL,ISIS) <robert.dalgliesh(a)stfc.ac.uk>
Sent: 27 November 2023 09:29
To: Manuel, Pascal (STFC,RAL,ISIS) <pascal.manuel(a)stfc.ac.uk>
Cc: Schomann, Silke (STFC,RAL,ISIS) <silke.schomann(a)stfc.ac.uk>; Skoda, Maximilian (STFC,RAL,ISIS) <maximilian.skoda(a)stfc.ac.uk>; Kinane, Christy (STFC,RAL,ISIS) <christy.kinane(a)stfc.ac.uk>; Le, Duc (STFC,RAL,ISIS) <duc.le(a)stfc.ac.uk>; King, Stephen (STFC,RAL,ISIS) <stephen.king(a)stfc.ac.uk>; Welbourn, Becky (STFC,RAL,ISIS) <becky.welbourn(a)stfc.ac.uk>; Mukhopadhyay, Sanghamitra (STFC,RAL,ISIS) <sanghamitra.mukhopadhyay(a)stfc.ac.uk>; Hampson, Thomas (STFC,RAL,ISIS) <thomas.hampson(a)stfc.ac.uk>; Waite, Richard (STFC,RAL,ISIS) <richard.waite(a)stfc.ac.uk>; Markvardsen, Anders (STFC,RAL,ISIS) <anders.markvardsen(a)stfc.ac.uk>; Foxley, Sarah (STFC,RAL,ISIS) <sarah.foxley(a)stfc.ac.uk>
Subject: Re: geometry in mantid
Thanks Pas,
Given the greater complexity of the reflectometry requirements I think this should be owned by one of the NR team.
We can feed in the needs of SANS as needed.
Rob
On 26 Nov 2023, at 15:21, Manuel, Pascal (STFC,RAL,ISIS) <pascal.manuel(a)stfc.ac.uk<mailto:pascal.manuel@stfc.ac.uk>> wrote:
Dear all,
Thank you for joining this workshop back in May where we discussed various ways to implement complex geometries within mantid and the advantages and limitations of the virtual source idea.
If you are still interested in implementing complex geometries within mantid, we would need to create an EPIC to be in line with the new way of capturing and prioritizing requirements. Each EPIC needs an "owner" from the scientific side. It is basically a ~1-2 page document highlighting the benefits of the work to ISIS in general and also outlining some foreseen solutions so it can be prioritized between all the requests put in to mantid that are not BAU.
If any of the scientists on this list would like to volunteer, please drop me a line.
Best,
P
Dear all,
One of the actions on me from the last meeting was to provide an update on the Nexus work that ORNL are doing.
For 6.10 they are planning to undertake a new implementation of LoadEventNexus. This was found to be the slowest step in many of their workflows. Investigation of this algorithm found it was spending much of its time doing other things than reading from disk. The suggested solution is to move away from the current method of allocating all the events and then reusing code for sorting and compressing. Instead they plan to create a histogram whilst reading through events and then converting that data to an EventList.
There will be instances where this new method will not be used:
- Small event files
- Files with period data
- Files with weighted events
There is much more detail about their plans here - https://github.com/mantidproject/mantid/issues/36594 .
Let me know if you have any questions about this and I will follow up with Pete at ORNL.
All the best
Sarah
Sarah Foxley
Mantid Team Leader and Mantid Project Manager
Science and Technology Facilities Council
Phone - 01235 446938
sarah.foxley(a)stfc.ukri.org<mailto:sarah.foxley@stfc.ukri.org>
She/Her/Hers
[stfc_logo]
Hi All,
Seems this is a good time, according to the Doodle Poll
The Mantid Epics board can be found here: https://isisneutronmuon.atlassian.net/jira/software/c/projects/SS/boards/5
Many thanks,
Jonathan
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