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Increase segment sizes in coll/han and coll/adapt #11360

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Increase segment sizes in coll/han and coll/adapt #11360

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e29e7fa
coll/han: increase segment sizes to 512k
devreal Jan 31, 2023
867c3df
coll/adapt: Increase ireduce segment size
devreal Jan 31, 2023
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2 changes: 1 addition & 1 deletion ompi/mca/coll/adapt/coll_adapt_ireduce.c
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,7 @@ int ompi_coll_adapt_ireduce_register(void)
mca_coll_adapt_component.adapt_ireduce_algorithm = 1;
}

mca_coll_adapt_component.adapt_ireduce_segment_size = 163740;
mca_coll_adapt_component.adapt_ireduce_segment_size = 524288;
mca_base_component_var_register(c, "reduce_segment_size",
"Segment size in bytes used by default for reduce algorithms. Only has meaning if algorithm is forced and supports segmenting. 0 bytes means no segmentation.",
MCA_BASE_VAR_TYPE_SIZE_T, NULL, 0, 0,
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6 changes: 3 additions & 3 deletions ompi/mca/coll/han/coll_han_component.c
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Original file line number Diff line number Diff line change
Expand Up @@ -261,7 +261,7 @@ static int han_register(void)
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY, &cs->han_output_verbose);

cs->han_bcast_segsize = 65536;
cs->han_bcast_segsize = 524288;
(void) mca_base_component_var_register(c, "bcast_segsize",
"segment size for bcast",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
Expand All @@ -281,7 +281,7 @@ static int han_register(void)
&cs->han_bcast_low_module,
&cs->han_op_module_name.bcast.han_op_low_module_name);

cs->han_reduce_segsize = 65536;
cs->han_reduce_segsize = 524288;
(void) mca_base_component_var_register(c, "reduce_segsize",
"segment size for reduce",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
Expand All @@ -300,7 +300,7 @@ static int han_register(void)
OPAL_INFO_LVL_9, &cs->han_reduce_low_module,
&cs->han_op_module_name.reduce.han_op_low_module_name);

cs->han_allreduce_segsize = 65536;
cs->han_allreduce_segsize = 524288;
(void) mca_base_component_var_register(c, "allreduce_segsize",
"segment size for allreduce",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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