GitLab

* Fix pybind11 install doc
Signed-off-by: Trevor Morris <tmorris@nvidia.com>

* Set CMAKE_PREFIX_PATH for TF to find pybind11
Signed-off-by: Trevor Morris <tmorris@nvidia.com>

* Update test builds to use pip install of apt.
Signed-off-by: Trevor Morris <tmorris@nvidia.com>

---------
Signed-off-by: Trevor Morris <tmorris@nvidia.com>

* made bias configurable
Signed-off-by: Naman Goyal <naman@fb.com>

* removed commented lines
Signed-off-by: Naman Goyal <naman@fb.com>

* Update transformer_engine/pytorch/jit.py
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: ngoyal2707 <ngoyal2707@users.noreply.github.com>

* Update transformer_engine/pytorch/jit.py
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: ngoyal2707 <ngoyal2707@users.noreply.github.com>

* fixed incorrect call to fused bias dropout add kernel
Signed-off-by: Naman Goyal <naman@fb.com>

* Update transformer_engine/pytorch/jit.py
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>

* Separate FC1 and FC2 use_bias args; solves all ci errors
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* jit fusion improvement
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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

---------
Signed-off-by: Naman Goyal <naman@fb.com>
Signed-off-by: ngoyal2707 <ngoyal2707@users.noreply.github.com>
Signed-off-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Co-authored-by: Naman Goyal <naman@fb.com>
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Update installation instructio for JAX and add some depenencies.
Signed-off-by: Frederic Bastien <fbastien@nvidia.com>

* Bring back support for none pip installed pybind11.
Signed-off-by: Frederic Bastien <fbastien@nvidia.com>

* Apply suggestions from code review
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Frédéric Bastien <frederic.bastien@gmail.com>

* Changes following review.
Signed-off-by: Frederic Bastien <fbastien@nvidia.com>

* Change order to make it more clear.
Signed-off-by: Frederic Bastien <fbastien@nvidia.com>

* Add other reviers suggestion.
Signed-off-by: Frederic Bastien <fbastien@nvidia.com>

* pybind11 is needed for all FW.
Signed-off-by: Frederic Bastien <fbastien@nvidia.com>

* Add flax as a dep
Signed-off-by: Frederic Bastien <fbastien@nvidia.com>

* Update README.rst
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Frédéric Bastien <frederic.bastien@gmail.com>

---------
Signed-off-by: Frederic Bastien <fbastien@nvidia.com>
Signed-off-by: Frédéric Bastien <frederic.bastien@gmail.com>
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Add tensorflow build

Improve build instructions

Fix pybind enum usage

Fix Python_EXECUTABLE cmake var

Move scale_inv calculations to FW
Signed-off-by: Trevor Morris <tmorris@nvidia.com>
Signed-off-by: kaixih <kaixih@nvidia.com>

* Apply clang-format
Signed-off-by: Trevor Morris <tmorris@nvidia.com>
Signed-off-by: kaixih <kaixih@nvidia.com>

* Format python files
Signed-off-by: Trevor Morris <tmorris@nvidia.com>
Signed-off-by: kaixih <kaixih@nvidia.com>

* Add TF build CI
Signed-off-by: Trevor Morris <tmorris@nvidia.com>
Signed-off-by: kaixih <kaixih@nvidia.com>

* Lint checks
Signed-off-by: kaixih <kaixih@nvidia.com>

* Another round of lint checks
Signed-off-by: kaixih <kaixih@nvidia.com>

* Fix TF image tag
Signed-off-by: Trevor Morris <tmorris@nvidia.com>
Signed-off-by: kaixih <kaixih@nvidia.com>

* Use the existing recipe file
Signed-off-by: kaixih <kaixih@nvidia.com>

* Add license claim blocks
Signed-off-by: kaixih <kaixih@nvidia.com>

* Fix a bug about bias dtype conversion
Signed-off-by: kaixih <kaixih@nvidia.com>

* Add mnist example and cleanup old examples
Signed-off-by: kaixih <kaixih@nvidia.com>

* Autopep8 the tests
Signed-off-by: kaixih <kaixih@nvidia.com>

* Autopep8 the examples
Signed-off-by: kaixih <kaixih@nvidia.com>

* Add example in Readme
Signed-off-by: kaixih <kaixih@nvidia.com>

* Add unit tests and linting for TensorFlow
Signed-off-by: Tim Moon <tmoon@nvidia.com>

* Add causal mask for non-fused case
Signed-off-by: kaixih <kaixih@nvidia.com>

* Fix the mismatched TF vs TE masks
Signed-off-by: kaixih <kaixih@nvidia.com>

* Addressing CI tests
Signed-off-by: kaixih <kaixih@nvidia.com>

* Run lint test
Signed-off-by: kaixih <kaixih@nvidia.com>

* Add missing import
Signed-off-by: kaixih <kaixih@nvidia.com>

* Skip fp8 tests for pre-Hopper GPUs
Signed-off-by: kaixih <kaixih@nvidia.com>

* Remove non-pytest tests
Signed-off-by: kaixih <kaixih@nvidia.com>

* Fix license
Signed-off-by: Tim Moon <tmoon@nvidia.com>

---------
Signed-off-by: Trevor Morris <tmorris@nvidia.com>
Signed-off-by: kaixih <kaixih@nvidia.com>
Signed-off-by: Tim Moon <tmoon@nvidia.com>
Co-authored-by: kaixih <kaixih@nvidia.com>
Co-authored-by: Tim Moon <tmoon@nvidia.com>

* add building workflow for jax modules
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* replace bit_cast with reinterpret_cast
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* add nvtx to cmake check list
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* refactor layernorm fwd
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* refactor rmsnorm fwd
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* refactor layernorm_bwd
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* set pytorch as default in setup.py
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* rename extension from *.cc to *.cpp

cpplint cannot recognize *.cc file, so rename the extension
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* refactor style, to align TE/PyTorch
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* add pybinding, unittest and qa
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* fix license
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* disable c-extension-no-member and no-name-in-module
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* add dataclass avoid pylint error
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* Update transformer_engine/__init__.py
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: Jeng Bai-Cheng <jeng1220@users.noreply.github.com>

* Update tests/jax/test_custom_call_shape.py

fix typo
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: Jeng Bai-Cheng <jeng1220@users.noreply.github.com>

* Update tests/jax/test_custom_call_shape.py
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: Jeng Bai-Cheng <jeng1220@users.noreply.github.com>

* add building workflow for jax modules
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* replace bit_cast with reinterpret_cast
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* add nvtx to cmake check list
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* refactor layernorm fwd
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* refactor rmsnorm fwd
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* refactor layernorm_bwd
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* set pytorch as default in setup.py
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* rename extension from *.cc to *.cpp

cpplint cannot recognize *.cc file, so rename the extension
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* refactor style, to align TE/PyTorch
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* add pybinding, unittest and qa
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* fix license
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* disable c-extension-no-member and no-name-in-module
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* add dataclass avoid pylint error
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* Update transformer_engine/__init__.py
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: Jeng Bai-Cheng <jeng1220@users.noreply.github.com>

* Update tests/jax/test_custom_call_shape.py

fix typo
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: Jeng Bai-Cheng <jeng1220@users.noreply.github.com>

* Update tests/jax/test_custom_call_shape.py
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Signed-off-by: Jeng Bai-Cheng <jeng1220@users.noreply.github.com>

* fix conflict due to PR62
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* fix c-extension-no-member and no-name-in-module

1. add transformer_engine_jax into extension-pkg-whitelist
2. convert pylintrc from CRLF to LF format
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

* Update setup.py
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Jeng Bai-Cheng <jeng1220@users.noreply.github.com>

* remove pylint:disable and refactor import order
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>

---------
Signed-off-by: Ryan Jeng <rjeng@nvidia.com>
Signed-off-by: Jeng Bai-Cheng <jeng1220@users.noreply.github.com>
Co-authored-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* add flash attention to TransformerLayer
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* Add docs for FP8 calibration (#61)
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* Fix the integer overflow in fused softmax (#60)
Signed-off-by: Przemek Tredak <ptredak@nvidia.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* prefix flash attn env var with NVTE_
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* Address steady memory increase and bloated checkpoints (#63)
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* fix env var logic
Signed-off-by: cyanguwa <cyang.uwa@gmail.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* fix flash attn env var logic again
Signed-off-by: cyanguwa <cyang.uwa@gmail.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* remove d2d copies (#64)

* remove d2d copies
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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

---------
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* Increase number of FP8 tensors per GEMM (#22)

* Increase number of FP8 tensors per GEMM
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Enable FP8 output tensor for fp8_gemm
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* [BERT FP8] Initial TE review comments
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Temporary fix for cuda graph non convergence
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Address review comments-2
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Review comments-3
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Cleanup
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Change for New API
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Remove unnecessary clone for D_scale, D_amax
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Avoid Roll for AMAX history size = 1
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Update onnx_te_gemm API
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

* Fix Lint errors
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>

---------
Signed-off-by: Vasudevan Rengasamy <vrengasamy@nvidia.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* Bug fixes from PR 22 (#65)

* Bug fixes from PR 22
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Add FP8 tests to ci
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* bundle unittests for ci
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

---------
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* replace rearrange with transpose
Signed-off-by: cyanguwa <cyang.uwa@gmail.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* QKV parameters unfused path fixes and optimization (#66)

* Bug fixes from PR 22
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Add FP8 tests to ci
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Better QKV parameter fusion
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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

* keep original param for unfused case to retain externally set attrs
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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

* Fix ONNX exports
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* improve arg naming
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* No need to set data pointers
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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

* Assert memory loc in NoopCat
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Handle case of different memory in param and buffer
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* fix assert always true
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Reassign params memory to avoid more concats
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

---------
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* Fix gradients when using AMP (#70)

retain grad related attrs while casting
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Charlene Yang <charleney@nvidia.com>

* fix pylint violations 

fixed pyline violations such as trailing white spaces and too long lines 
Signed-off-by: cyanguwa <cyang.uwa@gmail.com>

* fix pylint violation on line 264 with R1719
Signed-off-by: cyanguwa <cyang.uwa@gmail.com>

* fix two more pylint violations
Signed-off-by: cyanguwa <cyang.uwa@gmail.com>

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

* Add docs for attention
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* fix assert always true
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* check for correct flash-attn version
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* address review comments
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* lint+build fixes, correct settings for default flash-attn
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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

* review comments and fixes
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* fix onnx and disable flash-attn export test
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* remove einops dependency
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* cleanup internal API; rm duplication
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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

* only install TE wheel (exclude flash-attn to rm conflicts)
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* forgot to change install wheel path
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* next round review comments
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* fix flash_attn output
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* fix QK layer scaling
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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

* review comments and fixes to selective checkpointing
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

---------
Signed-off-by: Charlene Yang <charleney@nvidia.com>
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: cyanguwa <cyang.uwa@gmail.com>
Co-authored-by: Charlene Yang <charleney@nvidia.com>
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Add ONNX export support for TE modules (#1)

* Add TorchScript Operators
* Add symbolic methods to ONNX exporter
* Add tests for the ONNX export
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* fixes for pylint tests
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* fix pylint warning in softmax.py
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* move FP8 ORT lib inside tests/
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* enable cross attention tests
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* refactor code by @nzmora
* Increase layernorm FP16 threshold
* Normalize onnx file names: _ separates configs; - separates words in a single config
* Add get_attn_mask_str and fix mask string
* Add missing ONNX files
* Moved generated ONNX files to tests/gen_onnx_models/
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* fix merge conflict changes
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* fix Q/DQ scale input
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* enable FP16 config when bias is disabled
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* fix pylint check errors
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* updates
1. remove List import for pylint failure
2. address comments: remove state tensors from GPU
3. address comments: Update reverse_map_dtype function and add to namespace
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* minor fix: coding guidelines
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* changes:
1. skip FP8 tests on  non-hopper devices
2. minor fix for C++ lint check
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* fix onnxruntime version
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* minor fix: add space between code and comment
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* changes
1. update copyrights
2. update path to ORT .so
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>

* Apply suggestions from code review
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: asfiyab-nvidia <117682710+asfiyab-nvidia@users.noreply.github.com>
Signed-off-by: Asfiya Baig <asfiyab@nvidia.com>
Signed-off-by: asfiyab-nvidia <117682710+asfiyab-nvidia@users.noreply.github.com>
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

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

* Make fused softmax kernels PyTorch independent
Co-authored-by: Sean Lee <selee@nvidia.com>
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* Address review comments
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* move get_batch_per_block to python
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

* fix license in softmax.h
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Co-authored-by: Sean Lee <selee@nvidia.com>

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

Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Przemek Tredak <ptredak@nvidia.com>