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* adding more stuff missing from cherry picky jeremy PR for inspecting
Signed-off-by: tdophung <tdophung@nvidia.com>

* fix some tracing issues when intergating to maxtext
Signed-off-by: tdophung <tdophung@nvidia.com>

* Have sort_chunks_by_index handle situations where input buffer is larger than num tokens
Signed-off-by: tdophung <tdophung@nvidia.com>

* remove unnecessary assert and comments
Signed-off-by: JAX Toolbox <jax@nvidia.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* remove Jeremy's PR for inspect ffi
Signed-off-by: JAX Toolbox <jax@nvidia.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* untouch the amax file, also change comment on te
Signed-off-by: JAX Toolbox <jax@nvidia.com>

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Signed-off-by: tdophung <tdophung@nvidia.com>
Signed-off-by: JAX Toolbox <jax@nvidia.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: JAX Toolbox <jax@nvidia.com>

* initial impl, not tested
Signed-off-by: tdophung <tdophung@nvidia.com>

* consolidate different unpermute primitives with with_pad and with_merging_probs booleans. Implement partitioning for all permutation primitives
Signed-off-by: tdophung <tdophung@nvidia.com>

* Add distributed test for non-padding permutation
Signed-off-by: tdophung <tdophung@nvidia.com>

* fix issues in distributed test for padding permutation. Make common kernel zero intiialize output permuted scales, permuted probs and output tokens
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* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* revert zeroing in triton common kernel as it is a race condition. Instead, add extra input (aliased wiuth output) buffer to inner primitive of permutation on jax side to pass in zero intitiated buffers done with jnp zeros
Signed-off-by: tdophung <tdophung@nvidia.com>

* fix utils to handle input output aliasing in autotuned kernels
Signed-off-by: tdophung <tdophung@nvidia.com>

* Clean up comments, and add more comments explaining input output alias in utils
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* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* fix lint and greptile comment
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* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* fix issues that lint fixing introduced
Signed-off-by: tdophung <tdophung@nvidia.com>

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Update copyright to include 2026
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* [PyTorch] Fuse permute+pad and unpermute+unpad ops for FP8 optimization

1.Fused `moe_permute_with_probs` + `Fp8Padding` and fused `moe_unpermute` + `Fp8Unpadding`,
  that can remove the explicit padding/unpadding of moe expert, improved performance and reduced peak gpu memory usage.
2.Add tests of fused permute/pad and unpermute/unpad.
Signed-off-by: xiaoxi-wangfj <690912414@qq.com>

* [PyTorch/Common] Fuse permute+pad and unpermute+unpad support with_merging_probs
Signed-off-by: xiaoxi-wangfj <690912414@qq.com>

* [PyTorch]format code
Signed-off-by: xiaoxi-wangfj <690912414@qq.com>

* [Common]perf expert_idx loaded once
Signed-off-by: xiaoxi-wangfj <690912414@qq.com>

* fix: pad_offsets can be None
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: xiaoxi-wangfj <690912414@qq.com>

* add padding + merging probs bwd support. Not tested
Signed-off-by: tdophung <tdophung@nvidia.com>

* Fix garbage initialized act grad
Signed-off-by: tdophung <tdophung@nvidia.com>

* all test passing for jax permutation + pad
Signed-off-by: tdophung <tdophung@nvidia.com>

* change tokens_per_experts APIs to num_out_tokens with conservative allocation of worst case padding for output buffer
Signed-off-by: tdophung <tdophung@nvidia.com>

* change test permutation to reduce test time
Signed-off-by: tdophung <tdophung@nvidia.com>

* triggering PR refresh
Signed-off-by: tdophung <tdophung@nvidia.com>

* format code
Signed-off-by: tdophung <tdophung@nvidia.com>

* Remove some tests cases from pytorch side. Add a separate toekn_dispatch test for sanity in case combine accidentally undo an error on dispatch in the roundtrip test. Add distinction between L0 and L2 in test cases in jax
Signed-off-by: tdophung <tdophung@nvidia.com>

* format code
Signed-off-by: tdophung <tdophung@nvidia.com>

* remove chance for inefficiency in moving between CPU and GPU, remove redundant primitive using a new static bool for padding, add assert for align size
Signed-off-by: tdophung <tdophung@nvidia.com>

* fix lint in jax
Signed-off-by: tdophung <tdophung@nvidia.com>

* account for both jax newer and older than version 0.8.2. Adjusted gpu triton binding accordingly
Signed-off-by: tdophung <tdophung@nvidia.com>

* format code
Signed-off-by: tdophung <tdophung@nvidia.com>

* fix typo
Signed-off-by: tdophung <tdophung@nvidia.com>

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Signed-off-by: xiaoxi-wangfj <690912414@qq.com>
Signed-off-by: tdophung <tdophung@nvidia.com>
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Co-authored-by: tdophung <tdophung@nvidia.com>

* fix ce loss with ignore idx
Signed-off-by: ykarnati <ykarnati@nvidia.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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Signed-off-by: ykarnati <ykarnati@nvidia.com>

* remove fix comments
Signed-off-by: ykarnati <ykarnati@nvidia.com>

* fallback divisor to 1
Signed-off-by: ykarnati <ykarnati@nvidia.com>

* have arg for n_rows and n_non_ignore
Signed-off-by: ykarnati <ykarnati@nvidia.com>

* fuse n_non_ignore to softmax kernel
Signed-off-by: ykarnati <ykarnati@nvidia.com>

* fix incorrect arg
Signed-off-by: ykarnati <ykarnati@nvidia.com>

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Signed-off-by: ykarnati <ykarnati@nvidia.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

change order
Signed-off-by: tdophung <tdophung@nvidia.com>

* Change order of arguments to make jax works
Signed-off-by: tdophung <tdophung@nvidia.com>

* make num_experts a tl.constepxr again
Signed-off-by: tdophung <tdophung@nvidia.com>

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Signed-off-by: tdophung <tdophung@nvidia.com>

* move triton to common and change paths
Signed-off-by: tdophung <tdophung@nvidia.com>

* Formatting
Signed-off-by: tdophung <tdophung@nvidia.com>

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Signed-off-by: tdophung <tdophung@nvidia.com>