tests/unit: Add TX load balancing unit test (shmem_txlb)#57
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Tests the OFI TX NIC selection feature added in b68a86a..HEAD: --enable-ofi-tx-load-balancing-round-robin --enable-ofi-tx-load-balancing-random Three verification layers: 1. All-to-all put data integrity across 3 message sizes x 16 iters (exercises SHMEM_GET_TRANSMIT_NIC_IDX on every operation) 2. Round-robin counter advancement: snapshots shmem_internal_nic_rr_idx before/after a known number of puts and asserts exact delta (USE_OFI_TX_LOAD_BALANCING_ROUND_ROBIN builds only) 3. shmemx_pcntr_get_issued_write consistency: total issued writes >= expected operation count (ENABLE_SHMEMX_TESTS builds) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Tests the OFI TX NIC selection feature added in b68a86a..HEAD:
--enable-ofi-tx-load-balancing-round-robin
--enable-ofi-tx-load-balancing-random
Three verification layers:
Provides test coverage for PR: Sandia-OpenSHMEM/SOS#1224