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Provider Feature Matrix v1.21.x

Jianxin Xiong edited this page May 13, 2024 · 1 revision

The tables below indicate which features are supported by which in-tree libfabric providers.


Key

✓ = well supported

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

❌ = not supported

U = supported through utility provider(s)

R = required mode bit

O = optional mode bit

H = required mode bit for HMEM support

(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 psm2 rxd rxm shm tcp udp verbs efa ucx psm3 opx cxi
FI_EP_DGRAM * *
FI_EP_MSG
FI_EP_RDM U U
Primary Caps psm2 rxd rxm shm tcp udp verbs efa ucx psm3 opx cxi
FI_ATOMIC *
FI_COLLECTIVE
FI_DIRECTED_RECV
FI_HMEM
FI_MSG
FI_MULTICAST *
FI_NAMED_RX_CTX
FI_RMA * *
FI_TAGGED * *
Primary Mods psm2 rxd rxm shm tcp udp verbs efa ucx psm3 opx cxi
FI_READ
FI_RECV
FI_REMOTE_READ *
FI_REMOTE_WRITE *
FI_SEND *
FI_WRITE *
Secondary Caps psm2 rxd rxm shm tcp udp verbs efa ucx psm3 opx cxi
FI_FENCE
FI_LOCAL_COMM C C
FI_MULTI_RECV * *
FI_REMOTE_COMM C
FI_RMA_EVENT ?
FI_RMA_PMEM
FI_SHARED_AV ?
FI_SOURCE
FI_SOURCE_ERR ? ? ? * ?
FI_TRIGGER ?
Modes psm2 rxd rxm shm tcp udp verbs efa ucx psm3 opx cxi
FI_ASYNC_IOV R
FI_BUFFERED_RECV
FI_CONTEXT R O R
FI_CONTEXT2 R
FI_LOCAL_MR (compat) O R
FI_MSG_PREFIX
FI_RX_CQ_DATA R
MR Modes psm2 rxd rxm shm tcp udp verbs efa ucx psm3 opx cxi
FI_MR_ALLOCATED C R R R O
FI_MR_ENDPOINT R
FI_MR_HMEM H
FI_MR_LOCAL C R
FI_MR_PROV_KEY C R R R O
FI_MR_MMU_NOTIFY
FI_MR_RAW R
FI_MR_RMA_EVENT
FI_MR_VIRT_ADDR C O R R R
FI_MR_BASIC (compat) O
FI_MR_SCALABLE (compat) C O
Additional Features psm2 rxd rxm shm tcp udp verbs efa ucx psm3 opx cxi
FABRIC_DIRECT
FI_RM_ENABLED *
Scalable endpoints
Counters (local operations) * *
Counters (remote operations)