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Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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

for more information, see https://pre-commit.ci



* Nit: Remove commented code for not including common.h
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

* Replace explicit getenv instantiations with a helper template
Use filesystem calls in file_exists()
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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

for more information, see https://pre-commit.ci



* Revert comment to falsy instead of false
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: Kshitij Lakhani <33047503+KshitijLakhani@users.noreply.github.com>

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Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>
Signed-off-by: Kshitij Lakhani <33047503+KshitijLakhani@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>

* Support THD + ring attention for self attn
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Consolidate reorder strategy
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Fix dataclass frozen issue
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Remove redundant code
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Use AttnBiasType, AttnMaskType, QKVLayout in cpp_extension
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Fix lint
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Refine P2P helper check_supported
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Add segment_ids/pos check
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Fixup
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Add dual chunk swap example
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Align different reorder code structure
Signed-off-by: Reese Wang <rewang@nvidia.com>

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Signed-off-by: Reese Wang <rewang@nvidia.com>
Co-authored-by: Phuong Nguyen <phuonguyen@nvidia.com>

flax module with compute dtype inferred from the inputs
Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* Expose THD to flex MHA module
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Enhance docs
Signed-off-by: Reese Wang <rewang@nvidia.com>

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Signed-off-by: Reese Wang <rewang@nvidia.com>
Co-authored-by: Phuong Nguyen <phuonguyen@nvidia.com>

Fix issues when mask/sequence_descriptor is None
Signed-off-by: Reese Wang <rewang@nvidia.com>
Co-authored-by: Phuong Nguyen <phuonguyen@nvidia.com>

JAX Lint Fix
Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* fixes L1 test

* fix test_multigpu_encoder

* fixes for other multi-encoder tests

* jax.extend.ffi to jax.ffi

* initialization with float32

* add init_dtype as an optional arg to all modules

* update use_scan query from xla flags

* relax threshold for test_encoder fp8

* relax the tols

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Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* initialization with weight_dtype
Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>
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Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* flax module to init params with given dtype
Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* all tests passed
Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* remove unneccessary reshape for kernel
Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* remove casting output of dot
Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* clean up
Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

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Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

Signed-off-by: Przemek Tredak <ptredak@nvidia.com>

* POC for segment_ids/segment_pos
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* Change segment_pos position
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* Use RemainingArgs to solve number of parameters mismatches
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* Test mask_descriptor for accomendating different mask representations
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* Fix bugs
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* Use descriptor in bwd
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* Primitives only accepts pure jnp array
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* segment_ids/pos support POC
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* Move seqlens/offsets generation to mask descriptor
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* Rename MaskDescriptor to SequenceDescriptor
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Generalize get_seqlens_and_offsets
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* Utilize sequence desc on FA bwd
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Migrate to new API
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* Add docstrings
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* Remove small inputs and test different input format
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* Fix lint
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* Fix seed shardings
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Optimize sequence converting overhead
Signed-off-by: Reese Wang <rewang@nvidia.com>

* Optimize seq_offsets calculation
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* Fix up
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* fix lint
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* Fix conflicts
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* Remove reduntant line
Signed-off-by: Reese Wang <rewang@nvidia.com>

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Signed-off-by: Reese Wang <rewang@nvidia.com>

Correct fused attention output after each step to reduce intermediate memory use.
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* Fix SWA mask for THD and forcing seqlen_kv >= seqlen_q for SWA
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* Generalize sliding window mask
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* Fix pylint
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Signed-off-by: Reese Wang <rewang@nvidia.com>

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* Add util functions to attn_mask_type
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* Add util functions to qkv_layout
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* Fix THD cross reference code
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* Remove explicit segment_pad, encoding it to segment_ids
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* Add jax.jit, replace _token with segment_ids, rename bias shape enum
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* Add comment for make_mask
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* Clean code
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* Add doc strings for the added functions
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* Remove cache for fa deterministic which causes UT failed
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* Rename fixture to avoid conflict
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Signed-off-by: Reese Wang <rewang@nvidia.com>

* softmax custom calls with correct encapsulates

* rm jax deprecated features

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Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* fix ctx.aval_out indexing for workspace
* add cudnn init to prepare phase of norm custom calls
* add thread_local for norm registry instance
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Signed-off-by: Phuong Nguyen <phuonguyen@nvidia.com>

* Bug Fix: Use default factory for not sharing mutable default values
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Signed-off-by: Reese Wang <rewang@nvidia.com>
Co-authored-by: Phuong Nguyen <phuonguyen@nvidia.com>