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btl/ugni: adjust exclusivity below sm and vader
Signed-off-by: Nathan Hjelm <[email protected]> (cherry picked from open-mpi/ompi@3c33a8e)
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opal/mca/btl/ugni/btl_ugni_component.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -216,7 +216,8 @@ btl_ugni_component_register(void)
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MCA_BASE_VAR_SCOPE_LOCAL, &mca_btl_ugni_component.mpool_type);
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OBJ_RELEASE(new_enum);
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219-
mca_btl_ugni_module.super.btl_exclusivity = MCA_BTL_EXCLUSIVITY_HIGH;
219+
/* ensure we loose send exclusivity to sm and vader if they are enabled */
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mca_btl_ugni_module.super.btl_exclusivity = MCA_BTL_EXCLUSIVITY_HIGH - 2;
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/* smsg threshold */
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mca_btl_ugni_module.super.btl_eager_limit = 8 * 1024;

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