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herault edited this page Jan 14, 2021
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- How to create a DSL
Topics for discussions:
- How to allow variable size communications
- How to do task batching
Slides: Local iterators in PTG
No agenda yet.
- What is a gather control and how to use it.
- Is there a way to disable parsec thread binding and use the --map-by ppr:1:socket within OpenMPI to make sure that all the worker threads in a process execute in the same socket?
- Using a separate thread to push tasks to an idle process and request tasks when worker threads cannot find ready tasks is a reasonable approach. Does it make sense to merge this with the communication thread? Would it make senseto have this thread bound to the same core as the communication thread
- Question about the Haar-tree example: The program is not terminating. Is there any specific threshold and alpha values for this test?
- What is prepare_input and how tasks inputs are manipulated in PTG ?
- How to correctly release a task ? (even when migrated)
- This is not a question but an outcome of the discussion: Can we clean the dependencies tracking before prepare_input ? The idea is that once a task is allocated (which means all input dependencies are available), we do not need the tracking support for the task anymore and we can eagerly release the hash_dep.
- Task migration
- Task tracking
- Visualization Tools
- The ParSEC schedulers
- How to select tasks that can be migrated
- Hardware specific optimization mechanisms for DPLASMA that depends on ParSEC JDF.\
- autotuning
- Mechanism behind shared memory layout optimization in parsec - how are decisions made for NUMA aware handling of data?
Topic: What is Modular Component Architecture (MCA) and how it applies to PaRSEC.
Topic: PaRSEC's Profiling Infrastructure and capabilites
Topic: Communication Engine
Topic: Miscellaneous (data manipulation, data copies, data collections)
Topic: What is PaRSEC again ?