Commits · 324be3324278723bd8f66196ed1ccac29b94bd7f · OpenDAS / TransformerEngine

20 Dec, 2025 1 commit

[PyTorch][NVFP4][MOE] NVFP4 Grouped Quantize with Hadamard Transform (#2411) · eb8e792b

Zhongbo Zhu authored Dec 20, 2025



* rowwise colwise RHT group quant v1
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* remove local array RW
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* change wait_barrier
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* fast math options
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* use mult to replace div
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* format
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* bulk move random states
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* greptile
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* lint
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* revert to use divides
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* avoid fp32 bf16 round-trip in RHT cast fusion
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* trigger fastmath by toggle NVTE_RHT_CAST_FUSION_USE_FAST_MATH
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* integrate row col rht fusion, functional
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* numerics aligned
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* style
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* remove device sync
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* 128 padding
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* revert colwise rng state creation because of row-col fused kernel
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* fix CI, linter
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* refactor RS for generating two random values
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* Avoid invalid configs with templated kernel
Signed-off-by: Tim Moon <tmoon@nvidia.com>

* fix acc pipeline init with 0 arrival count
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* restore rowwise-only mode
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* switch to dynamic atomic scheduler
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* Avoid instantiating group RHT+cast kernel without row-wise or col-wise output
Signed-off-by: Tim Moon <tmoon@nvidia.com>

* Include fast math option in quantization config
Signed-off-by: Tim Moon <tmoon@nvidia.com>

* Fix linter warnings and review nits
Signed-off-by: Tim Moon <tmoon@nvidia.com>

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



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

* Fix bug where kernel is always launched on stream
Signed-off-by: Tim Moon <tmoon@nvidia.com>

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



* Restore BF16 intermediate downcast in fused RHT-cast kernels
Signed-off-by: Tim Moon <tmoon@nvidia.com>

* fix numerical test of grouped kernel
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>

* Make sure row-wise and col-wise quantization use different RNG seeds
Signed-off-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>

* Restore autoformatter
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---------
Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com>
Signed-off-by: Tim Moon <tmoon@nvidia.com>
Signed-off-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Co-authored-by: Tim Moon <tmoon@nvidia.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>

eb8e792b

05 Dec, 2025 1 commit

Fix bugs from refactoring C++ tensor class (#2481) · f0572aa5

Tim Moon authored Dec 04, 2025



Remve assumption in quantize/activation kernels that data buffer is initialized
Signed-off-by: Tim Moon <tmoon@nvidia.com>

f0572aa5

19 Nov, 2025 1 commit

Feature fast cast-only mxfp8 (#2062) · 877b7966

Jianbing authored Nov 19, 2025



* refactor mxfp8_cast_only kernel
Signed-off-by: Jianbing Dong <jianbingd@nvidia.com>

* fix ptx.cuh after format
Signed-off-by: Jianbing Dong <jianbingd@nvidia.com>

---------
Signed-off-by: Jianbing Dong <jianbingd@nvidia.com>
Co-authored-by: Oleg Goncharov <64355998+Oleg-Goncharov@users.noreply.github.com>

877b7966

06 Nov, 2025 1 commit
- Fix out of bounds access in the FP4 dequantize kernel (#2346) · f3b97c26
  Przemyslaw Tredak authored Nov 06, 2025
```
Signed-off-by: Przemek Tredak <ptredak@nvidia.com>
```
  f3b97c26
30 Oct, 2025 1 commit

[Common] Split cast/gated kernels by scaling mode (#2248) · 0e80c847

Oleg Goncharov authored Oct 30, 2025



* Separated gated and dequantize kernels
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>

* Separated quantize, dequantize and gated functions
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>

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* Fixed lint issues
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* Fixed persistent lint issues
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* Added missing compute capability 10.0 check for Quantize FP8 TMA kernels
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* Fixed the issue which was added again by autofix
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* Changed files description. Completely removed non-identity activations from the NVFP4 transpose test suite
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>

* Removed unsupported template arguments in NVFP4 quantize
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* Fixed undefined symbol error
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* Fixed condition
Signed-off-by: Oleg Goncharov <64355998+Oleg-Goncharov@users.noreply.github.com>

* Fixed CUDA version check
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* Changed arch conditions order
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* Fix
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* Clean up
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* Small fix
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* Small fix
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>

* Fixes per the PR review
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* Fix
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* Split quantize helper into two (FWD and BWD) functions
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>

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* Moved activation functions from cast.cu. Removed cast.cu from the fast-math compilation list
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>

* Enabled fast math for activations by default
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>

* Disabled fast math for activations by default
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>

---------
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>
Signed-off-by: Oleg Goncharov <64355998+Oleg-Goncharov@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

0e80c847