GitLab

* Applying the original precision as Norm outputs' and activation compuations.
Signed-off-by: Ming Huang <mingh@nvidia.com>

* Adding knob to control norm output precision.
Signed-off-by: Ming Huang <mingh@nvidia.com>

* Removing the knob and applying lower-precision norm with current-scaling only.
Signed-off-by: Ming Huang <mingh@nvidia.com>

* Fix the error when quantizer==None
Signed-off-by: Ming Huang <mingh@nvidia.com>

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Signed-off-by: Ming Huang <mingh@nvidia.com>