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Enable bfloat16 optimization for Orbax Export preprocessors. #2676

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Merged
copybara-service merged 1 commit into from
Dec 12, 2025
+13 −6
Merged

Enable bfloat16 optimization for Orbax Export preprocessors. #2676

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19 changes: 13 additions & 6 deletions export/orbax/export/data_processors/tf_data_processor_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -150,11 +150,14 @@ def test_suppress_x64_output(self):
)

def test_convert_to_bfloat16(self):
processor = tf_data_processor.TfDataProcessor(
lambda x: 0.5 + x, name='preprocessor'
)
v = tf.Variable(0.5, dtype=tf.float32)

def func(x):
return v + x

processor = tf_data_processor.TfDataProcessor(func, name='preprocessor')
processor.prepare(
(tf.TensorSpec((), tf.float32)),
input_signature=(tf.TensorSpec(shape=(2, 3), dtype=tf.float32)),
bfloat16_options=converter_options_v2_pb2.ConverterOptionsV2(
bfloat16_optimization_options=converter_options_v2_pb2.BFloat16OptimizationOptions(
scope=converter_options_v2_pb2.BFloat16OptimizationOptions.ALL,
Expand All @@ -163,8 +166,12 @@ def test_convert_to_bfloat16(self):
),
)
self.assertEqual(
processor.output_signature[0],
obm.ShloTensorSpec(shape=(), dtype=obm.ShloDType.bf16),
processor.output_signature,
obm.ShloTensorSpec(shape=(2, 3), dtype=obm.ShloDType.bf16),
)
self.assertLen(processor.concrete_function.variables, 1)
self.assertEqual(
processor.concrete_function.variables[0].dtype, tf.bfloat16
)

def test_bfloat16_convert_error(self):
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