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psblas3/test/comm/swapdata
History
Stack-1 fcae4a1633 [UPDATE] Transient version usefull for debug on local server 4 weeks ago
..
Makefile [FIX] Fixed comm tests for single process, added guard on neighbor topology data exchange for single process run 1 month ago
README.md [UPDATE] Changed all the interfaces that calls psi_swapdata inside PSBLAS internals for double precision vectors. Added also tests under test/comm/ in order to check psi_swapdata, psb_spmv and psb_cg calls 1 month ago
psb_comm_test.F90 [UPDATE] Transient version usefull for debug on local server 4 weeks ago
psb_comm_test_sbatch.sh [UPDATE] Transient version usefull for debug on local server 4 weeks ago

README.md

swapdata communication test

This test was added after introducing different communication schemes in PSBLAS.

It focuses on direct halo exchange through the swapdata path:

  • index list type: halo (psb_comm_halo_)
  • exchange API: psi_swapdata
  • phases: start, wait, and sync (depending on test section)

Communication patterns exercised:

  • baseline point-to-point (isend/irecv)
  • neighbor collective (ineighbor_alltoallv)
  • persistent neighbor collective (persistent_ineighbor_alltoallv)

This test validates the low-level communication behavior in isolation, without the full SpMV overlap pipeline.