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[fp16] suppot fp16 in gather_nd #50909

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Feb 27, 2023
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33 changes: 33 additions & 0 deletions python/paddle/fluid/tests/unittests/test_gather_nd_op.py
Original file line number Diff line number Diff line change
Expand Up @@ -254,6 +254,39 @@ def test_static(self):
expected_output = np.array([[3, 4]])
np.testing.assert_allclose(result, expected_output, rtol=1e-05)

def test_static_fp16_with_gpu(self):
if paddle.fluid.core.is_compiled_with_cuda():
place = paddle.CUDAPlace(0)
with paddle.static.program_guard(
paddle.static.Program(), paddle.static.Program()
):
input = np.array(
[[[1, 2], [3, 4], [5, 6]], [[7, 8], [9, 10], [11, 12]]],
dtype='float16',
)
index = np.array([[0, 1]], dtype='int32')
res_np = np.array([[3, 4]], dtype='float16')

x = paddle.static.data(
name="x", shape=[2, 3, 2], dtype="float16"
)
x.desc.set_need_check_feed(False)
idx = paddle.static.data(
name="index", shape=[1, 2], dtype="int32"
)
idx.desc.set_need_check_feed(False)

y = paddle.gather_nd(x, idx)

exe = paddle.static.Executor(place)
res = exe.run(
paddle.static.default_main_program(),
feed={"x": input, "index": index},
fetch_list=[y],
)

np.testing.assert_allclose(res[0], res_np, rtol=1e-05)

def test_imperative(self):
paddle.disable_static()
input_1 = np.array([[1, 2], [3, 4], [5, 6]])
Expand Down
12 changes: 10 additions & 2 deletions python/paddle/tensor/manipulation.py
Original file line number Diff line number Diff line change
Expand Up @@ -3668,7 +3668,7 @@ def gather_nd(x, index, name=None):
= [23]

Args:
x (Tensor): The input Tensor which it's data type should be bool, float32, float64, int32, int64.
x (Tensor): The input Tensor which it's data type should be bool, float16, float32, float64, int32, int64.
index (Tensor): The index input with rank > 1, index.shape[-1] <= input.rank.
Its dtype should be int32, int64.
name (str, optional): Name for the operation (optional, default is None). For more information, please refer to :ref:`api_guide_Name`.
Expand All @@ -3695,7 +3695,15 @@ def gather_nd(x, index, name=None):
check_variable_and_dtype(
x,
'x',
['bool', 'float32', 'float64', 'int16', 'int32', 'int64'],
[
'bool',
'float16',
'float32',
'float64',
'int16',
'int32',
'int64',
],
'gather_np',
)
check_variable_and_dtype(
Expand Down