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CasaParallelMinutes20111017
(2011-11-14,
JamesRobnett
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Casa Parallelization meeting minutes
Monday October 17th Room 317, 3:30pm MDT
Attendees: James, Jeff, Jim, Kumar, Bryan, Brian
Targets/tasks for October 17th - 23rd
Discussion/Agenda
Lustre file I/O failure
Jim/James
Being logged but no hits reported
Retry implemented also no hits reported
Revisit async iterator for writing
Jim/Justo
In progress, may affect the RO iterator
Need
Move subtables to in-memory storage manager
Jim
Recent tests with storage manager inconclusive, seems to be no but no affect
flagging infrastructure most likely next target (Justo might do)
Partition worth looking at
Continuum imaging
Partition generates empty selection in certain circumstances
Spectral imaging
Kumar
Test channel chunk choice effect on memory
Complete parallel user interface frame work
Jeff/Honglin
Status
Refine and distribute cluster scheduler interface
James
In progress, Kscott working on implementation and user documentation
Need 400+GB continuum case with complex field
Sanjay
Formalized reduction status
Scripted reduction status
Version 3 Filler status
CASA HPC Initiatives for the 3.4 Cycle
Memory Footprint Issues
Deployment of Multi-Field MS-MFS (Urvashi)
Deployment of Parallel Gridder and splitting of the Grid (Jim)
Design of MS-MFS Minor Cycle Parallelization (Jim et. al.) using Friday meetings
Initial Deployment of ASP Clean (Sanjay)
Performance Issues:
Virtual Model Data Column (Kumar)
Removes model data column
removes need for Setjy
Memory Resident Subtables Deployment (Identify list of tasks)
VisBuffer
Processing Framework
Add Write capability (Jim)
Deployment in tasks (Jeff to Assign)
Parallel Filler (and partitioning) (Tak)
User Interface:
Parallel Imager in Task (Kumar)
Parallelization of other Tasks (Kumar and Jeff)
Deferred Topics
Test version of auto-flagging
deferred
ARDG Targets
What is negative side effect of CVel in filler, non-reversible
What needs to be done to acceptably implement Auto-boxing with large number of channels
--
JamesRobnett
- 2011-11-14
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Topic revision: r1 - 2011-11-14,
JamesRobnett
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