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Preparing for multigrid parameter consolidation and clean up of code, rationalise the different variants.

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Peter Boyle
2026-09-06 14:18:00 -04:00
parent 482f3cbaa2
commit a07545adc4
21 changed files with 262 additions and 2435 deletions
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tests/debug/Test_allgather.cc
+1 -1
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@@ -244,7 +244,7 @@ int main(int argc, char **argv)
// T7 : the SAME shape as T6, but assembled by C sequential MPI_Bcast --
// one broadcast per contributing rank -- instead of one MPI_Allgatherv.
//
// This is the transport of DENSE_GATHER=2. Bcast takes no count vector,
// This is the transport of the retired chunked-Bcast gather. Bcast takes no count vector,
// so the zero-count asymmetry that makes T6 run at ~0.18 MB/s and trip
// mpir_request.h:508 cannot arise. It costs C collectives rather than 1
// and the roots do not transmit concurrently, so the byte cost is about