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704 B
704 B
spmv overlap communication test
This test was added after introducing different communication schemes in PSBLAS.
It exercises the overlapped SpMV communication path inside psb_spmm.
Communication pattern:
- split exchange/computation flow (
start+ local compute +wait) - halo/overlap update through internal swap routines used by SpMV kernels
- same matrix/vector workload repeated across schemes for timing comparison
Communication schemes compared:
psb_comm_isend_irecv_psb_comm_ineighbor_alltoallv_psb_comm_persistent_ineighbor_alltoallv_
Unlike swapdata/, which checks direct halo exchange, this test covers the
overlapped SpMV workflow.