Commits on Apr 27, 2024

1. [dnl] add NCCL/PT debug log for S413673 …

   Test Plan:
   Smoke test w/ NCCL ut cannot repro segfault w/ dynamic register + len 213942272
   ```
   IFNAME=eth2 HOSTS="rtptest908.pci1,rtptest693.pci1" ENVS="NCCL_DEBUG=INFO;NCCL_DEBUG_SUBSYS=INIT,COLL,ALLOC" buck2 run fbcode//mode/opt fbsource//third-party/nccl-exp/v2.18.3-1/src/ctran/tests:ctran_dist_allgather
   ```
   P1223852264
   
   Differential Revision: D56659330

   

   minsii authored and facebook-github-bot committed Apr 27, 2024
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