TL/MLX5: knomial fan-in in a2a #1064
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samnordmann
commented
Jan 22, 2025
| @@ -126,6 +130,11 @@ static ucc_config_field_t ucc_tl_mlx5_context_config_table[] = { | |||
| ucc_offsetof(ucc_tl_mlx5_context_config_t, mcast_ctx_conf.ib_dev_name), | |||
| UCC_CONFIG_TYPE_STRING}, | |||
|
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| {"FANIN_NPOLLS", "1000", | |||
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move this to knomial fan-in
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Implement a knomial intra-node fan-in on shared memory in TL/MLX5 for alltoall.
Before this patch, the fan-in with a linear algorithm. knomial algorithm is more general and can potentially reduce latency for high ppn.