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Update efa-env-var.md #760

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Update efa-env-var.md
Making it consistent with https://github.com/aws-samples/awsome-distributed-training/blob/main/1.architectures/efa-cheatsheet.md

Signed-off-by: Keita Watanabe <keitaw09@gmail.com>
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KeitaW authored Dec 31, 2024
commit ff2c214992eb0eee6038a082d5e4f18de791785e
5 changes: 5 additions & 0 deletions doc/efa-env-var.md
Original file line number Diff line number Diff line change
@@ -74,6 +74,11 @@ versions of your libfabric.
behaves very differently, especially on newer kernels, where <code>RDMAV_FORK_SAFE=1</code>
can break things.</td>
</tr>
<tr>
<td><code>`NCCL_SHM_USE_CUDA_MEMCPY=1</code></td>
<td>Setting this when you run NCCL on g6/g5. It gives x2 performance in comparison to default memcpy.</td>
</tr>

<tr>
<td><code>RDMAV_*</code></td>
<td>Do not use.</td>