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param: increase CQ read count to 16 for performance
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This patch increases CQ read count to 16.

Experiments turned out that reading up to 16 (instead of 4) CQ entries
at once improves performance.

Signed-off-by: Michael Axtmann <[email protected]>
(cherry picked from commit 346be40)
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maxtmann committed Jul 31, 2024
1 parent a883dfe commit 1360821
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion include/nccl_ofi_param.h
Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@ OFI_NCCL_PARAM_INT(mr_key_size, "MR_KEY_SIZE", 2);
* Maximum number of cq entries to read in a single call to
* fi_cq_read.
*/
OFI_NCCL_PARAM_INT(cq_read_count, "CQ_READ_COUNT", 4);
OFI_NCCL_PARAM_INT(cq_read_count, "CQ_READ_COUNT", 16);

/*
* Protocol to use for send/recv operations. Valid options are
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