Skip to content

Provider Feature Matrix v1.6.x

Sean Hefty edited this page Apr 23, 2020 · 1 revision

The tables below indicate which features are supported by which in-tree libfabric providers. Please update the tables as appropriate if you see a box that hasn't been assessed or an incorrect mark in one of the boxes.


Key

✓ = well supported

* = limited support (e.g., not supported for all endpoint types or not optimal for performance)

❌ = not supported

R = required mode bit

O = optional mode bit

(no mark) = not applicable or not needed

? = provider hasn't been assessed yet for this feature

C = same as that of Core provider.


Endpoint Types bgq gni mlx nd psm psm2 rxm shm sockets udp usnic verbs
FI_EP_DGRAM *
FI_EP_MSG *
FI_EP_RDM * * *
Primary Capabilities bgq gni mlx nd psm psm2 rxm shm sockets udp usnic verbs
FI_MSG
FI_RMA *
FI_TAGGED *
FI_ATOMIC *
FI_NAMED_RX_CTX
FI_DIRECTED_RECV
FI_READ
FI_WRITE
FI_SEND *
FI_RECV *
FI_REMOTE_READ
FI_REMOTE_WRITE
FI_MULTICAST ? *
Secondary Capabilities bgq gni mlx nd psm psm2 rxm shm sockets udp usnic verbs
FI_MULTI_RECV *
FI_SOURCE
FI_SOURCE_ERR ? ? ? ? ? ?
FI_RMA_EVENT
FI_TRIGGER
FI_FENCE
FI_LOCAL_COMM ? C
FI_REMOTE_COMM ? C
Modes bgq gni mlx nd psm psm2 rxm shm sockets udp usnic verbs
FI_CONTEXT R R R R R O O
FI_CONTEXT2 ?
FI_LOCAL_MR R O R R
FI_MSG_PREFIX R
FI_ASYNC_IOV R
FI_RX_CQ_DATA O R
FI_NOTIFY_FLAGS_ONLY ? ?
FI_RESTRICTED_COMP ? ?
Memory Registration Modes bgq gni mlx nd psm psm2 rxm shm sockets udp usnic verbs
FI_MR_BASIC
FI_MR_SCALABLE C
Additional Features bgq gni mlx nd psm psm2 rxm shm sockets udp usnic verbs
FABRIC_DIRECT
FI_RM_ENABLED *
Scalable endpoints
Counters *

Note: The mxm provider was deprecated and removed from libfabric. It has been replaced with the mlx provider.