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<h1  style="text-align: center; color: green">ACCESS-C Port to Cray</h1>

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<h2  style="text-align: center; color: red">  Notes on activities related to porting ACCESS-C1 to cray</h1>

PageOutline

• Ilia have build access-C1 executable on ngamai and passed to Wenming
• Simple script still to be done

• Wenming have also build access-C exe and qxreconf and found them identical to currently running executable
• Identical results obtain from all 3 executable

• Xiao have passed a set of test data and results from operational run to Wenming
• Wenming have started running access-C1 suite in CAWCR environment on ngamai
• Results from suite is different even though main UM executable have been proven to give bit-identical result
• Difference likely due to updates made to operational suite after it was passed to BNOC
  • VEG_FRAC from Imtiaz
  • Halo size
  • Decomposition
  • Double reconfig?

• Xiao and Wenming to pass output results to Gary to diagnose
• Look at difference in UM printout to identify relevant difference between BNOC and CAWCR run

• Test build of APS2 small executables
• Use small executables from APS2 in ACCESS-C1 suite where use and determine suitability

• Lawrie and Milton looking at regridding of ACCESS-C2 output into ACCESS-C1 resolution for sending to downstream suites
  • Problem with kinks due to interpolation when using Land / Sea Mask