Add tables and histogram for RL staleness - #4097
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* origin/main: (286 commits) Rename MambaModel/MambaStack to HybridModel/HybridStack (NVIDIA#4099) Fix Megatron initialization with extra_args_provider (NVIDIA#4327) Fix RL to once again work with --skip-train (NVIDIA#4249) Add activation logging and tokens per expert logging (NVIDIA#3842) Make param_index_map always use unpacked (full numel) offsets (NVIDIA#4328) FA4 Inference (NVIDIA#4186) Fix RL reward due to stop token (NVIDIA#4096) cp: Fix UT timeout (NVIDIA#4310) (NVIDIA#4373) feat(ckpt): add --async-ckpt-use-cpu-shm argument (NVIDIA#4355) Update copy-pr-bot.yaml [skip ci] Docs: improve docstrings and comments in example training loop (NVIDIA#4041) Add QK layernorm support for dot-product attention in MambaModel (NVIDIA#4067) Fix bug with non-partial rollouts (NVIDIA#3964) [docs] ci: use parent-relative json_url for version picker (NVIDIA#4367) Add tables and histogram for RL staleness (NVIDIA#4097) Port DeepSeek Sparse Attention to `MambaModel` (NVIDIA#3553) docs: bump versions1.json to 0.17.0 (latest) (NVIDIA#4360) Fix potential coredump issue that occurs when saving a checkpoint (NVIDIA#1871) ci(gb200): add 1-node mr-github functional test variants (NVIDIA#4334) fix: wait for async P2P send before deallocating output tensor (NVIDIA#4047) ... # Conflicts: # megatron/core/transformer/cuda_graphs.py
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