Fix tflops glu computation (#283)
* Fix tflops glu computation
* Explain GLU TFLOPs difference
* Fix typo
* Specify MLP
Co-authored-by: Thomas Wang <24695242+thomasw21@users.noreply.github.com>
Co-authored-by: Thomas Wang <24695242+thomasw21@users.noreply.github.com>
