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Sandia-OpenSHMEM / SOS

Sandia OpenSHMEM is an implementation of the OpenSHMEM specification over multiple Networking APIs, including Portals 4, the Open Fabric Interface (OFI), and UCX. Please click on the Wiki tab for help with building and using SOS.
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MR descriptor list #1117

Closed wrrobin closed 3 months ago

wrrobin commented 4 months ago

@wrrobin, do you happen to know how the MR descriptors are traversed by the provider? For example, if there is a list of 3 descriptors and the target is in the external heap, are all 3 MR descriptors read to lookup which applies? Could there be a performance cost associated with that?

Great question. And, I do not know what order it is traversed. Let me ask this question and add you to that email thread.

wrrobin commented 3 months ago

@rithwiktom - Could you get a chance to test this out on your end?