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Update: Fast GeLU Approximation (#744)

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* add: fast gelu approx

* fix docs

* Update gelu_fast_approx function documentation

* Update python/mlx/nn/layers/activations.py

Co-authored-by: Awni Hannun <awni.hannun@gmail.com>

* fix: test gelu

---------

Co-authored-by: Awni Hannun <awni.hannun@gmail.com>
This commit is contained in:
Noah Kasmanoff
2024-02-27 00:08:50 -05:00
committed by GitHub
parent fe1dabf272
commit de3d2467a3
2 changed files with 7 additions and 3 deletions
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python/tests/test_nn.py
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@@ -665,7 +665,7 @@ class TestLayers(mlx_tests.MLXTestCase):
y_hat1 = nn.gelu_approx(x)
y_hat2 = nn.gelu_fast_approx(x)
self.assertLess(mx.abs(y - y_hat1).max(), 0.0003)
self.assertLess(mx.abs(y - y_hat2).max(), 0.02)
self.assertLess(mx.abs(y - y_hat2).max(), 0.025)
def test_sin_pe(self):
m = nn.SinusoidalPositionalEncoding(16, min_freq=0.01)