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* Create pytorch/dot_product_attention module and pytorch/d_p_a/utils.py
Move attention logging into a separate class in pytorch/d_p_a/utils.py
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

* Create FlashAttentionUtils class in pytorch/d_p_a/utils/py for versioning info
Move versioning info out of pytorch/attention.py
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

* Move AttentionParams and get_attention_backend from attention.py to d_p_a/utils.py
Fix tests and imports for the above refactor change
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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

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* Move get_qkv_layout(), get_full_mask(), get_alibi(), get_attention_quantizers() to d_p_a/utils.py
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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* Move tensor packing and unpacking helper functions from pyt/attention.py to d_p_a/utils.py
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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* Move cumulative seqlens and indices methods from pyt/attention.py to d_p_a/utils.py
Rename cumulative functions from using _cu_ to using _cumul_ to differentiate from CUDA cu calls protocol
Rename tensor packaging methods with leading underscore to make them as internal to file
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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* Remove unnecessary imports in pytorch/attention.py and d_p_a/utils.py
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

* Create d_p_a/inference.py and move InferenceParams from pyt/attention.py to it
Modify tests and other files to import InferenceParams correctly
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

Modify docs api for InferenceParams
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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* Create d_p_a/rope.py and move RoPE methods from  pytorch/attention.py to it
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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

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* Fix qa testing induced bug
Code clean up
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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* Fix incorrect pack_tensor arg type
Code clean up
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

* nit: Resolve lint errors
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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* Remove typedef FAUtils for FlashAttentionUtils
Use attn_log instead of att_log
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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

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* nit: Fix the function name from get_cumul to the earlier get_cu
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

* nit: Fix typos, explicit imports and remove extra comments
Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>

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Signed-off-by: Kshitij Janardan Lakhani <klakhani@nvidia.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* allow tutorial to download the model weights automatically
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

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* allow users to provide weight cache directory
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

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* Apply formatting
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Apply formatting
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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* Llama 3 update
Signed-off-by: Pawel Gadzinski <pgadzinski@nvidia.com>

* Times update
Signed-off-by: Pawel Gadzinski <pgadzinski@nvidia.com>

* Times update
Signed-off-by: Pawel Gadzinski <pgadzinski@nvidia.com>

* utils.py fix
Signed-off-by: Pawel Gadzinski <pgadzinski@nvidia.com>

* utils.py fix
Signed-off-by: Pawel Gadzinski <pgadzinski@nvidia.com>

* utils.py fix
Signed-off-by: Pawel Gadzinski <pgadzinski@nvidia.com>

* update te llama tutorial to allow running with llama 3 weights
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

* small fixes
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

* small fix
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

* small fix
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

* add llama 3 vs llama 2 distinctions
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

* paraphrasing and corrected facts
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

* fix
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

* fix
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

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Co-authored-by: Pawel Gadzinski <pgadzinski@nvidia.com>
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Llama tutorial fixes - all
Signed-off-by: Pawel Gadzinski <pgadzinski@nvidia.com>
Co-authored-by: Pawel Gadzinski <pgadzinski@nvidia.com>

* tutorial and doc fixes
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

* remove extra code
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

* fix typos
Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>

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Signed-off-by: Sudhakar Singh <sudhakars@nvidia.com>