cp: fix: on GB200 use single-thread checkpoint save to avoid Cpu OOM (1703) into r0.5.0 (#1714)

chtruong814 · guyueh1 · web-flow · commit edfc23d8f180 · 2026-01-05T23:39:46.000Z
Signed-off-by: Guyue Huang &lt;guyueh@nvidia.com&gt;
Signed-off-by: NeMo Bot &lt;nemo-bot@nvidia.com&gt;
Co-authored-by: Guyue Huang &lt;140554423+guyueh1@users.noreply.github.com&gt;
diff --git a/3rdparty/Megatron-LM-workspace/Megatron-LM b/3rdparty/Megatron-LM-workspace/Megatron-LM
@@ -1 +1 @@
-Subproject commit 25a62edf77b5130f888328ca8119d6a76117cf23
+Subproject commit b73ae5cdab9d409fcface2b2f3c375710abe6911
