From e3ad19f1ea695a4c01c525b3941948554486e9bd Mon Sep 17 00:00:00 2001 From: Joseph Schuchart Date: Wed, 29 Oct 2025 09:25:59 -0400 Subject: [PATCH] Revert "tuned: use tree instead of bruck at scale" This reverts commit 9bd775769b2d64286a50c768d3a543312de4aaa5. --- ompi/mca/coll/tuned/coll_tuned_decision_fixed.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/ompi/mca/coll/tuned/coll_tuned_decision_fixed.c b/ompi/mca/coll/tuned/coll_tuned_decision_fixed.c index d210ff4412f..fa31aef1860 100644 --- a/ompi/mca/coll/tuned/coll_tuned_decision_fixed.c +++ b/ompi/mca/coll/tuned/coll_tuned_decision_fixed.c @@ -490,8 +490,14 @@ int ompi_coll_tuned_barrier_intra_dec_fixed(struct ompi_communicator_t *comm, alg = 3; } else if (communicator_size < 256) { alg = 4; - } else { + } else if (communicator_size < 512) { + alg = 6; + } else if (communicator_size < 1024) { + alg = 4; + } else if (communicator_size < 4096) { alg = 6; + } else { + alg = 4; } return ompi_coll_tuned_barrier_intra_do_this (comm, module,