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[Frontend][Keras] Add support for swish actiivation #15422

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Merged
merged 1 commit into from
Jul 28, 2023
Merged

[Frontend][Keras] Add support for swish actiivation #15422

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2 changes: 2 additions & 0 deletions python/tvm/relay/frontend/keras.py
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Original file line number Diff line number Diff line change
Expand Up @@ -120,6 +120,8 @@ def _convert_activation(
if act_type == "hard_sigmoid":
x = (_expr.const(0.2, dtype="float32") * inexpr) + _expr.const(0.5, dtype="float32")
return _op.clip(x, a_min=0.0, a_max=1.0)
if act_type == "swish":
return inexpr * _op.sigmoid(inexpr)

raise tvm.error.OpNotImplemented(f"Operator {act_type} is not supported in frontend Keras.")

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5 changes: 3 additions & 2 deletions tests/python/frontend/keras/test_forward.py
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Expand Up @@ -66,7 +66,7 @@ def pytest_generate_tests(metafunc):
# Scenarios:
# - classic keras, using keras from "import keras"
# - tensorflow keras, using keras from "from tensorflow import keras as tf_keras"
USING_CALSSIC_KERAS = ("keras", {"keras_mod": keras})
USING_CLASSIC_KERAS = ("keras", {"keras_mod": keras})
USING_TENSORFLOW_KERAS = ("tf_keras", {"keras_mod": tf_keras})


Expand Down Expand Up @@ -134,7 +134,7 @@ def get_mobilenet(keras_mod):
class TestKeras:
"""Keras test"""

scenarios = [USING_CALSSIC_KERAS, USING_TENSORFLOW_KERAS]
scenarios = [USING_CLASSIC_KERAS, USING_TENSORFLOW_KERAS]

def test_forward_merge(self, keras_mod):
"""test_forward_merge"""
Expand Down Expand Up @@ -213,6 +213,7 @@ def test_forward_activations(self, keras_mod):
keras_mod.layers.Activation("tanh"),
keras_mod.layers.Activation("linear"),
keras_mod.layers.Activation("selu"),
keras_mod.layers.Activation("swish"),
keras_mod.layers.ReLU(),
keras_mod.layers.ReLU(max_value=6.0),
keras_mod.layers.ReLU(max_value=6.0, threshold=0.0),
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