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* Rolled back to scalar code for columnwise scaling due to its better performance
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* Minor corrections
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* Rebased on main
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>

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* Fixes per code review
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* Removed constexpr in C++ test suite to build faster
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* Computed activations are now numerically truncated to InputType before scaling. Improved test suite.
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* Minor refactoring
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* Minor refactoring
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* Modified mismatches checks of MXFP8 to address FP8 numerics
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* Implemented Jeremy's fixes to JAX test suite with an intermediate downcast
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* Reduced the dims of the test tensors to improve CI runtime
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* Fixed memory alignment issue. Compute dbias without downcast.
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* Fixed misaligned memory issue also in gated kernels. Reduced size of MXFP8 gated tests
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---------
Signed-off-by: Oleg Goncharov <ogoncharov@nvidia.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>