Biddiscombe, John A.
john.biddiscombe at cscs.ch
Mon Feb 14 23:55:23 PST 2022
The feature matrix shows that only the rxm provider supports collectives (since presumably no providers yet implement them in hardware).
Can the rxm provider be used with any/all of the other providers? Is it safe to assume that if a provider has a missing entry for FI_COLLECTIVE - then it can be supported by using that provider with the rxm wrapper (with the possible exception of USNIC that has a cross in the collectives box).
Specifically, I'd like to try collectives using gni, verbs, tcp and am curious whether it should work, or whether I'd be wasting my time trying.
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