rdma: Disable eager by default

We don't think we need eager with the performance improvements on P5 and P5en, so set the default to -1 (disabled). Signed-off-by: Brian Barrett <bbarrett@amazon.com>
aws · Feb 24, 2025 · a4832e0 · a4832e0
1 parent a8544ed
commit a4832e0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/nccl_ofi_param.h b/include/nccl_ofi_param.h
@@ -319,7 +319,7 @@ OFI_NCCL_PARAM_INT(net_latency, "NET_LATENCY", -1);
  * Eager message size limit when using RDMA protocol. Message sizes greater than
  * this limit will always be sent using RDMA write instead of eagerly.
  */
-OFI_NCCL_PARAM_INT(eager_max_size, "EAGER_MAX_SIZE", 8192);
+OFI_NCCL_PARAM_INT(eager_max_size, "EAGER_MAX_SIZE", -1);
 
 /*
  * Decide whether or not mutexes should default to errorcheck mode.