# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import paddle import unittest import numpy as np from op_test import OpTest, convert_float_to_uint16 import paddle.fluid as fluid from paddle.fluid import Program, core, program_guard from paddle.fluid.framework import _test_eager_guard class TestSplitOp(OpTest): def setUp(self): self._set_op_type() self.dtype = self.get_dtype() axis = 1 if self.dtype == np.uint16: x = np.random.random((4, 5, 6)).astype(np.float32) out = np.split(x, [2, 3], axis) self.inputs = {'X': convert_float_to_uint16(x)} self.outputs = { 'Out': [ ('out%d' % i, convert_float_to_uint16(out[i])) for i in range(len(out)) ] } else: x = np.random.random((4, 5, 6)).astype(self.dtype) out = np.split(x, [2, 3], axis) self.inputs = {'X': x} self.outputs = { 'Out': [('out%d' % i, out[i]) for i in range(len(out))] } self.attrs = {'axis': axis, 'sections': [2, 1, 2]} def get_dtype(self): return "float64" def _set_op_type(self): self.op_type = "split" def test_check_output(self): self.check_output() def test_check_grad(self): self.check_grad(['X'], ['out0', 'out1', 'out2']) # test with attr(num) class TestSplitOp_2(OpTest): def setUp(self): self._set_op_type() self.dtype = self.get_dtype() self.init_data() self.inputs = {'X': self.x} self.attrs = { 'axis': self.axis, 'sections': self.sections, 'num': self.num, } out = np.split(self.x, self.indices_or_sections, self.axis) self.outputs = {'Out': [('out%d' % i, out[i]) for i in range(len(out))]} def init_data(self): self.x = np.random.random((4, 5, 6)).astype(self.dtype) self.axis = 2 self.sections = [] self.num = 3 self.indices_or_sections = 3 def get_dtype(self): return "float64" def _set_op_type(self): self.op_type = "split" def test_check_output(self): self.check_output() def test_check_grad(self): self.check_grad(['X'], ['out0', 'out1', 'out2']) # attr(axis) is Tensor class TestSplitOp_AxisTensor(OpTest): def setUp(self): self._set_op_type() self.dtype = self.get_dtype() self.init_data() self.inputs = { 'X': self.x, 'AxisTensor': np.array([self.axis]).astype("int32"), } self.attrs = {'sections': self.sections, 'num': self.num} out = np.split(self.x, self.indices_or_sections, self.axis) self.outputs = {'Out': [('out%d' % i, out[i]) for i in range(len(out))]} def init_data(self): self.x = np.random.random((4, 5, 6)).astype(self.dtype) self.axis = 2 self.sections = [] self.num = 3 self.indices_or_sections = 3 def get_dtype(self): return "float64" def _set_op_type(self): self.op_type = "split" def test_check_output(self): self.check_output() def test_check_grad(self): self.check_grad(['X'], ['out0', 'out1', 'out2']) # attr(sections) is list containing Tensor class TestSplitOp_SectionsTensor(OpTest): def setUp(self): self._set_op_type() self.dtype = self.get_dtype() self.init_data() self.inputs = {'X': self.x} sections_tensor = [] for index, ele in enumerate(self.sections): sections_tensor.append( ("x" + str(index), np.ones((1)).astype('int32') * ele) ) self.inputs['SectionsTensorList'] = sections_tensor self.attrs = { 'axis': self.axis, 'sections': self.sections_infer, 'num': self.num, } out = np.split(self.x, self.indices_or_sections, self.axis) self.outputs = {'Out': [('out%d' % i, out[i]) for i in range(len(out))]} def init_data(self): self.x = np.random.random((4, 5, 6)).astype(self.dtype) self.axis = 1 self.sections = [2, 1, 2] self.sections_infer = [-1, -1, -1] self.num = 0 self.indices_or_sections = [2, 3] def get_dtype(self): return "float64" def _set_op_type(self): self.op_type = "split" def test_check_output(self): self.check_output() def test_check_grad(self): self.check_grad(['X'], ['out0', 'out1', 'out2']) class TestSplitOp_unk_section(OpTest): def setUp(self): self._set_op_type() self.dtype = self.get_dtype() self.init_data() self.inputs = {'X': self.x} self.attrs = { 'axis': self.axis, 'sections': self.sections, 'num': self.num, } out = np.split(self.x, self.indices_or_sections, self.axis) self.outputs = {'Out': [('out%d' % i, out[i]) for i in range(len(out))]} def init_data(self): self.x = np.random.random((4, 5, 6)).astype(self.dtype) self.axis = 2 self.sections = [2, 1, -1] self.num = 0 self.indices_or_sections = [2, 3] def get_dtype(self): return "float64" def _set_op_type(self): self.op_type = "split" def test_check_output(self): self.check_output() def test_check_grad(self): self.check_grad(['X'], ['out0', 'out1', 'out2']) class TestSplitByrefOp(OpTest): def _set_op_type(self): self.op_type = "split_byref" # ----------------Split Fp16---------------- def create_test_fp16(parent): @unittest.skipIf( not core.is_compiled_with_cuda(), "core is not compiled with CUDA" ) class TestSplitFp16(parent): def get_dtype(self): return np.float16 def test_check_grad(self): pass cls_name = "{0}_{1}".format(parent.__name__, "Fp16") TestSplitFp16.__name__ = cls_name globals()[cls_name] = TestSplitFp16 create_test_fp16(TestSplitOp) # ----------------Split Bf16---------------- def create_test_bf16(parent): @unittest.skipIf( not core.is_compiled_with_cuda(), "core is not compiled with CUDA" ) class TestSplitBf16(parent): def get_dtype(self): return np.uint16 def test_check_output(self): place = core.CUDAPlace(0) self.check_output_with_place(place) def test_check_grad(self): pass cls_name = "{0}_{1}".format(parent.__name__, "Bf16") TestSplitBf16.__name__ = cls_name globals()[cls_name] = TestSplitBf16 create_test_bf16(TestSplitOp) class TestSplitAPI(unittest.TestCase): def test_api(self): input_1 = np.random.random([4, 5, 6]).astype("int32") positive_1_int32 = fluid.layers.fill_constant([1], "int32", 1) positive_1_int64 = fluid.layers.fill_constant([1], "int64", 1) positive_2_int64 = fluid.layers.fill_constant([1], "int64", 2) x_1 = fluid.data(shape=[4, 5, 6], dtype='int32', name='x_1') x_2 = fluid.data(shape=[4, 5, None], dtype='int32', name='x_2') out_0, out_1, out_2 = fluid.layers.split( input=x_1, num_or_sections=[positive_2_int64, positive_1_int32, -1], dim=positive_1_int64, ) out_3, out_4, out_5 = fluid.layers.split( input=x_1, num_or_sections=[2, 1, 2], dim=positive_1_int32 ) fluid.layers.split(input=x_2, num_or_sections=2, dim=2) exe = fluid.Executor(place=fluid.CPUPlace()) [res_0, res_1, res_2, res_3, res_4, res_5] = exe.run( fluid.default_main_program(), feed={"x_1": input_1, "x_2": input_1}, fetch_list=[out_0, out_1, out_2, out_3, out_4, out_5], ) out = np.split(input_1, [2, 3], 1) assert np.array_equal(res_0, out[0]) assert np.array_equal(res_1, out[1]) assert np.array_equal(res_2, out[2]) assert np.array_equal(res_3, out[0]) assert np.array_equal(res_4, out[1]) assert np.array_equal(res_5, out[2]) class TestSplitOpError(unittest.TestCase): def test_errors(self): with program_guard(Program(), Program()): # The type of axis in split_op should be int or Variable. def test_axis_type(): x6 = fluid.layers.data(shape=[4], dtype='float16', name='x3') fluid.layers.split(input=x6, num_or_sections=2, dim=3.2) self.assertRaises(TypeError, test_axis_type) # The type of axis in split_op should be int or Variable. def test_axis_variable_type(): x9 = fluid.layers.data(shape=[4], dtype='float16', name='x9') x10 = fluid.layers.data(shape=[1], dtype='float16', name='x10') fluid.layers.split(input=x9, num_or_sections=2, dim=x10) self.assertRaises(TypeError, test_axis_variable_type) # The type of num_or_sections in split_op should be int, tuple or list. def test_num_or_sections_type(): x6 = fluid.layers.data(shape=[4], dtype='float16', name='x4') fluid.layers.split(input=x6, num_or_sections=2.1, dim=3) self.assertRaises(TypeError, test_num_or_sections_type) def test_num_or_sections_type_tensor(): x7 = fluid.layers.data(shape=[4], dtype='float16', name='x5') paddle.split(input=x7, num_or_sections=2.1, dim=3) self.assertRaises(TypeError, test_num_or_sections_type_tensor) def test_axis_type_tensor(): x8 = fluid.layers.data(shape=[4], dtype='float16', name='x6') paddle.split(input=x8, num_or_sections=2, dim=3.2) self.assertRaises(TypeError, test_axis_type_tensor) class API_TestSplit(unittest.TestCase): def test_out(self): with fluid.program_guard(fluid.Program(), fluid.Program()): data1 = fluid.layers.data('data1', shape=[4, 6, 6], dtype='float64') data2 = fluid.layers.data('data2', shape=[1], dtype='int32') x0, x1, x2 = paddle.split(data1, num_or_sections=3, axis=data2) place = fluid.CPUPlace() exe = fluid.Executor(place) input1 = np.random.random([4, 6, 6]).astype('float64') input2 = np.array([2]).astype('int32') r0, r1, r2, = exe.run( feed={"data1": input1, "data2": input2}, fetch_list=[x0, x1, x2] ) ex_x0, ex_x1, ex_x2 = np.split(input1, 3, axis=2) np.testing.assert_allclose(ex_x0, r0, rtol=1e-05) np.testing.assert_allclose(ex_x1, r1, rtol=1e-05) np.testing.assert_allclose(ex_x2, r2, rtol=1e-05) class API_TestSplit2(unittest.TestCase): def test_out(self): with fluid.program_guard(fluid.Program(), fluid.Program()): data1 = fluid.layers.data('data1', shape=[4, 6, 6], dtype='float64') x0, x1, x2 = paddle.split(data1, num_or_sections=3, axis=2) place = fluid.CPUPlace() exe = fluid.Executor(place) input1 = np.random.random([4, 6, 6]).astype('float64') ( r0, r1, r2, ) = exe.run(feed={"data1": input1}, fetch_list=[x0, x1, x2]) ex_x0, ex_x1, ex_x2 = np.split(input1, 3, axis=2) np.testing.assert_allclose(ex_x0, r0, rtol=1e-05) np.testing.assert_allclose(ex_x1, r1, rtol=1e-05) np.testing.assert_allclose(ex_x2, r2, rtol=1e-05) class API_TestSplit3(unittest.TestCase): def test_out(self): with fluid.program_guard(fluid.Program(), fluid.Program()): data = fluid.layers.data('data', shape=[-1, 10], dtype='float64') x0, x1 = paddle.split(data, num_or_sections=(3, 7), axis=1) place = fluid.CPUPlace() exe = fluid.Executor(place) input1 = np.random.random([1, 10]).astype('float64') r0, r1 = exe.run(feed={"data": input1}, fetch_list=[x0, x1]) ex_x0, ex_x1 = np.split(input1, (3,), axis=1) np.testing.assert_allclose(ex_x0, r0, rtol=1e-05) np.testing.assert_allclose(ex_x1, r1, rtol=1e-05) class API_TestSplit4(unittest.TestCase): def test_out(self): with fluid.program_guard(fluid.Program(), fluid.Program()): data = fluid.layers.data('data', shape=[-1, 10], dtype='float64') index = fluid.layers.data('index', shape=[1], dtype='int32') x0, x1 = paddle.split(data, num_or_sections=(3, index), axis=1) place = fluid.CPUPlace() exe = fluid.Executor(place) input1 = np.random.random([1, 10]).astype('float64') input2 = np.array([7]).astype('int32') r0, r1 = exe.run( feed={"data": input1, "index": input2}, fetch_list=[x0, x1] ) ex_x0, ex_x1 = np.split(input1, (3,), axis=1) np.testing.assert_allclose(ex_x0, r0, rtol=1e-05) np.testing.assert_allclose(ex_x1, r1, rtol=1e-05) class API_TestSplit5(unittest.TestCase): def test_out(self): for use_cuda in ( [False, True] if core.is_compiled_with_cuda() else [False] ): place = paddle.CUDAPlace(0) if use_cuda else paddle.CPUPlace() with fluid.program_guard(fluid.Program(), fluid.Program()): input_1 = np.random.random([5, 4]).astype("int32") # input is a variable which shape is [5, 4] input = paddle.to_tensor(input_1) n = paddle.full([1], 5, dtype='int32') out = paddle.split(input, [n]) exe = paddle.static.Executor(place=place) re = exe.run(fetch_list=[out]) re = re[0] ex_out = np.split(input_1, [5]) ex_out = ex_out[0] np.testing.assert_allclose(ex_out, re, rtol=1e-05) class API_TestSplit6(unittest.TestCase): def test_out(self): with fluid.program_guard(fluid.Program(), fluid.Program()): data = fluid.layers.data('data', shape=[-1, 10], dtype='float64') x0, x1 = paddle.split(data, num_or_sections=[1, 1], axis=0) place = fluid.CPUPlace() exe = fluid.Executor(place) input1 = np.random.random([2, 10]).astype('float64') r0, r1 = exe.run(feed={"data": input1}, fetch_list=[x0, x1]) ex_x0, ex_x1 = np.split(input1, (1,), axis=0) np.testing.assert_allclose(ex_x0, r0, rtol=1e-05) np.testing.assert_allclose(ex_x1, r1, rtol=1e-05) class API_TestDygraphFluidSplit(unittest.TestCase): def test_out1(self): with fluid.dygraph.guard(): input_1 = np.random.random([4, 6, 6]).astype("int32") # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) x0, x1, x2 = fluid.layers.split(input, num_or_sections=3, dim=1) x0_out = x0.numpy() x1_out = x1.numpy() x2_out = x2.numpy() ex_x0, ex_x1, ex_x2 = np.split(input_1, 3, axis=1) with _test_eager_guard(): # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) input.stop_gradient = False x0, x1, x2 = fluid.layers.split(input, num_or_sections=3, dim=1) eager_x0_out = x0.numpy() eager_x1_out = x1.numpy() eager_x2_out = x2.numpy() loss = x0.sum() loss.backward() manul_grad = np.zeros_like(input_1) manul_grad[:, :2, :] = 1 np.testing.assert_allclose( input.gradient(), manul_grad, rtol=1e-05 ) np.testing.assert_allclose(ex_x0, eager_x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, eager_x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, eager_x2_out, rtol=1e-05) np.testing.assert_allclose(ex_x0, x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, x2_out, rtol=1e-05) def test_out2(self): with fluid.dygraph.guard(): input_1 = np.random.random([4, 6, 6]).astype("int32") # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) x0, x1, x2 = fluid.layers.split(input, [2, 2, 2], dim=1) x0_out = x0.numpy() x1_out = x1.numpy() x2_out = x2.numpy() ex_x0, ex_x1, ex_x2 = np.split(input_1, 3, axis=1) with _test_eager_guard(): # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) input.stop_gradient = False x0, x1, x2 = fluid.layers.split(input, [2, 2, 2], dim=1) eager_x0_out = x0.numpy() eager_x1_out = x1.numpy() eager_x2_out = x2.numpy() loss = x0.sum() loss.backward() manul_grad = np.zeros_like(input_1) manul_grad[:, :2, :] = 1 np.testing.assert_allclose( input.gradient(), manul_grad, rtol=1e-05 ) np.testing.assert_allclose(ex_x0, eager_x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, eager_x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, eager_x2_out, rtol=1e-05) np.testing.assert_allclose(ex_x0, x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, x2_out, rtol=1e-05) class API_TestDygraphSplit(unittest.TestCase): def test_out1(self): with fluid.dygraph.guard(): input_1 = np.random.random([4, 6, 6]).astype("int32") # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) x0, x1, x2 = paddle.split(input, num_or_sections=3, axis=1) x0_out = x0.numpy() x1_out = x1.numpy() x2_out = x2.numpy() ex_x0, ex_x1, ex_x2 = np.split(input_1, 3, axis=1) with _test_eager_guard(): # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) input.stop_gradient = False x0, x1, x2 = paddle.split(input, num_or_sections=3, axis=1) eager_x0_out = x0.numpy() eager_x1_out = x1.numpy() eager_x2_out = x2.numpy() loss = x0.sum() loss.backward() manul_grad = np.zeros_like(input_1) manul_grad[:, :2, :] = 1 np.testing.assert_allclose( input.gradient(), manul_grad, rtol=1e-05 ) np.testing.assert_allclose(ex_x0, eager_x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, eager_x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, eager_x2_out, rtol=1e-05) np.testing.assert_allclose(ex_x0, x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, x2_out, rtol=1e-05) def test_out2(self): with fluid.dygraph.guard(): input_1 = np.random.random([4, 6, 6]).astype("bool") # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) x0, x1, x2 = paddle.split(input, num_or_sections=3, axis=1) x0_out = x0.numpy() x1_out = x1.numpy() x2_out = x2.numpy() ex_x0, ex_x1, ex_x2 = np.split(input_1, 3, axis=1) np.testing.assert_allclose(ex_x0, x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, x2_out, rtol=1e-05) def test_out3(self): with fluid.dygraph.guard(): np.random.seed(2021) input_1 = np.random.random([4, 6, 6]).astype("int32") # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) out_dy = paddle.split(input, [6], axis=1) out_dy = out_dy[0] out_dy_np = out_dy.numpy() ex_out = np.split(input_1, [6], axis=1) ex_out = ex_out[0] with _test_eager_guard(): input = paddle.to_tensor(input_1) out_eager = paddle.split(input, [6], axis=1) out_eager = out_eager[0] out_eager_np = out_dy.numpy() np.testing.assert_allclose(ex_out, out_eager_np, rtol=1e-05) np.testing.assert_allclose(ex_out, out_dy_np, rtol=1e-05) def test_out_tensor_input(self): with fluid.dygraph.guard(): input_1 = np.random.random([4, 6, 6]).astype("int32") # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) num1 = paddle.full(shape=[1], fill_value=2, dtype='int32') x0, x1, x2 = paddle.split( input, num_or_sections=[num1, 2, 2], axis=1 ) x0_out = x0.numpy() x1_out = x1.numpy() x2_out = x2.numpy() ex_x0, ex_x1, ex_x2 = np.split(input_1, 3, axis=1) np.testing.assert_allclose(ex_x0, x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, x2_out, rtol=1e-05) def test_axis_tensor_input(self): with fluid.dygraph.guard(): input_1 = np.random.random([4, 6, 6]).astype("int32") # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) num1 = paddle.full(shape=[1], fill_value=1, dtype='int32') x0, x1, x2 = paddle.split( input, num_or_sections=[2, 2, 2], axis=num1 ) x0_out = x0.numpy() x1_out = x1.numpy() x2_out = x2.numpy() ex_x0, ex_x1, ex_x2 = np.split(input_1, 3, axis=1) np.testing.assert_allclose(ex_x0, x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, x2_out, rtol=1e-05) def func_negative_one_section(self): with fluid.dygraph.guard(): input_1 = np.random.random([4, 6, 6]).astype("int32") # input is a variable which shape is [4, 6, 6] input = paddle.to_tensor(input_1) num1 = paddle.full(shape=[1], fill_value=1, dtype='int32') x0 = paddle.split(input, num_or_sections=[-1], axis=num1) x0_out = x0[0].numpy() np.testing.assert_array_equal(x0_out, input.numpy()) def test_negative_one_section(self): with _test_eager_guard(): self.func_negative_one_section() self.func_negative_one_section() class API_TestEmptySplit(unittest.TestCase): def test_axis_input_empty_section(self): with fluid.dygraph.guard(): input_1 = np.random.random([8, 6, 6]).astype("float32") # input is a variable which shape is [8, 6, 6] input = paddle.to_tensor(input_1) x0, x1, x2 = paddle.split(input, num_or_sections=[5, 0, 3]) x0_out = x0.numpy() x1_out = x1.numpy() x2_out = x2.numpy() ex_x0, ex_x1, ex_x2 = np.split( input_1, [ 5, 5, ], ) np.testing.assert_allclose(ex_x0, x0_out, rtol=1e-05) np.testing.assert_allclose(ex_x1, x1_out, rtol=1e-05) np.testing.assert_allclose(ex_x2, x2_out, rtol=1e-05) if __name__ == '__main__': paddle.enable_static() unittest.main()