Ticket #2194 (closed: invalid)

Opened 10 years ago

Last modified 5 years ago

ConvertToEnergy has slowed down

Reported by: Martyn Gigg Owned by: Martyn Gigg
Priority: major Milestone: Iteration 27
Component: Mantid Keywords:
Cc: Blocked By:
Blocking: Tester: Nick Draper

Description

Jon Taylor is reporting that in the last release the convert to energy is about 10 seconds slower on a MERLIN dataset than in the previous release.

Also MARI used to take about a second and is taking about 2.5-3 seconds now.

Change History

comment:1 Changed 10 years ago by Martyn Gigg

  • Status changed from new to verify
  • Resolution set to invalid

So it turned out that the test machine had OMP_NUM_THREADS=1 set. This effectively disabled OpenMP and slowed down the conversion. Clearing the variable solved the problem.

comment:2 Changed 10 years ago by Nick Draper

  • Status changed from verify to verifying
  • Tester set to Nick Draper

comment:3 Changed 10 years ago by Nick Draper

  • Status changed from verifying to closed

comment:4 Changed 5 years ago by Stuart Campbell

This ticket has been transferred to github issue ​3041

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