# 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 platform import unittest import numpy as np from op_test import OpTest import paddle import paddle.fluid.core as core import paddle.fluid as fluid from paddle.fluid import Program, program_guard from paddle.nn.functional import interpolate def linear_interp_np(input, out_w, out_size=None, actual_shape=None, align_corners=True, align_mode=0, data_layout='NCHW'): if data_layout == "NHWC": input = np.transpose(input, (0, 2, 1)) # NHWC => NCHW if out_size is not None: out_w = out_size[0] if actual_shape is not None: out_w = actual_shape[0] batch_size, channel, in_w = input.shape ratio_w = 0.0 if out_w > 1: if (align_corners): ratio_w = (in_w - 1.0) / (out_w - 1.0) else: ratio_w = 1.0 * in_w / out_w out = np.zeros((batch_size, channel, out_w)) for j in range(out_w): if (align_mode == 0 and not align_corners): w = int(ratio_w * (j + 0.5) - 0.5) else: w = int(ratio_w * j) w = max(0, w) wid = 1 if w < in_w - 1 else 0 if (align_mode == 0 and not align_corners): idx_src_w = max(ratio_w * (j + 0.5) - 0.5, 0) w1lambda = idx_src_w - w else: w1lambda = ratio_w * j - w w2lambda = 1.0 - w1lambda out[:, :, j] = w2lambda * input[:, :, w] + w1lambda * input[:, :, w + wid] if data_layout == "NHWC": out = np.transpose(out, (0, 2, 1)) # NCHW => NHWC return out.astype(input.dtype) class TestLinearInterpOp(OpTest): def setUp(self): self.out_size = None self.actual_shape = None self.data_layout = 'NCHW' self.init_test_case() self.op_type = "linear_interp" input_np = np.random.random(self.input_shape).astype("float64") if self.data_layout == "NCHW": in_w = self.input_shape[2] else: in_w = self.input_shape[1] if self.scale > 0: out_w = int(in_w * self.scale) else: out_w = self.out_w output_np = linear_interp_np(input_np, out_w, self.out_size, self.actual_shape, self.align_corners, self.align_mode, self.data_layout) self.inputs = {'X': input_np} if self.out_size is not None: self.inputs['OutSize'] = self.out_size if self.actual_shape is not None: self.inputs['OutSize'] = self.actual_shape self.attrs = { 'out_w': self.out_w, 'scale': self.scale, 'interp_method': self.interp_method, 'align_corners': self.align_corners, 'align_mode': self.align_mode, 'data_layout': self.data_layout } self.outputs = {'Out': output_np} def test_check_output(self): if platform.system() == "Linux": self.check_output(atol=1e-7) else: self.check_output(atol=1e-5) def test_check_grad(self): self.check_grad(['X'], 'Out', in_place=True) def init_test_case(self): self.interp_method = 'linear' self.input_shape = [1, 3, 100] self.out_w = 50 self.scale = 0. self.out_size = np.array([ 50, ]).astype("int32") self.align_corners = False self.align_mode = 1 class TestLinearInterpOpDataLayout(TestLinearInterpOp): def init_test_case(self): self.interp_method = 'linear' self.input_shape = [1, 3, 100] self.out_w = 50 self.scale = 0. self.out_size = np.array([ 50, ]).astype("int32") self.align_corners = False self.align_mode = 1 self.data_layout = 'NHWC' class TestLinearInterpOpAlignMode(TestLinearInterpOp): def init_test_case(self): self.interp_method = 'linear' self.input_shape = [1, 3, 100] self.out_w = 50 self.scale = 0. self.out_size = np.array([ 50, ]).astype("int32") self.align_corners = False self.align_mode = 0 class TestLinearInterpOpScale(TestLinearInterpOp): def init_test_case(self): self.interp_method = 'linear' self.input_shape = [1, 3, 100] self.out_w = 50 self.scale = 0.5 self.out_size = np.array([ 50, ]).astype("int32") self.align_corners = False self.align_mode = 0 class TestLinearInterpOpSizeTensor(TestLinearInterpOp): def setUp(self): self.out_size = None self.actual_shape = None self.data_layout = 'NCHW' self.init_test_case() self.op_type = "linear_interp" input_np = np.random.random(self.input_shape).astype("float64") self.shape_by_1Dtensor = False self.scale_by_1Dtensor = False if self.data_layout == "NCHW": in_w = self.input_shape[2] else: in_w = self.input_shape[1] if self.scale > 0: out_w = int(in_w * self.scale) else: out_w = self.out_w output_np = linear_interp_np(input_np, out_w, self.out_size, self.actual_shape, self.align_corners, self.align_mode, self.data_layout) self.inputs = {'X': input_np} if self.out_size is not None and self.shape_by_1Dtensor: self.inputs['OutSize'] = self.out_size elif self.actual_shape is not None and self.shape_by_1Dtensor: self.inputs['OutSize'] = self.actual_shape else: size_tensor = [] for index, ele in enumerate(self.out_size): size_tensor.append(("x" + str(index), np.ones( (1)).astype('int32') * ele)) self.inputs['SizeTensor'] = size_tensor self.attrs = { 'out_w': self.out_w, 'scale': self.scale, 'interp_method': self.interp_method, 'align_corners': self.align_corners, 'align_mode': self.align_mode, 'data_layout': self.data_layout } self.outputs = {'Out': output_np} class TestResizeLinearAPI(unittest.TestCase): def test_case(self): x = fluid.data(name="x", shape=[1, 3, 64], dtype="float32") dim = fluid.data(name="dim", shape=[1], dtype="int32") shape_tensor = fluid.data(name="shape_tensor", shape=[1], dtype="int32") actual_size = fluid.data(name="actual_size", shape=[1], dtype="int32") scale_tensor = fluid.data(name="scale_tensor", shape=[1], dtype="float32") out1 = fluid.layers.resize_linear(x, out_shape=[ 128, ], align_mode=1, align_corners=False) out2 = fluid.layers.resize_linear(x, out_shape=[128], align_mode=1, align_corners=False) out3 = fluid.layers.resize_linear(x, out_shape=shape_tensor, align_mode=1, align_corners=False) out4 = fluid.layers.resize_linear(x, out_shape=[ 128, ], actual_shape=actual_size, align_mode=1, align_corners=False) out5 = fluid.layers.resize_linear(x, scale=scale_tensor, align_mode=1, align_corners=False) out6 = interpolate(x, scale_factor=scale_tensor, mode='linear', align_mode=1, align_corners=False, data_format='NCW') out7 = interpolate(x, size=[ 128, ], mode='linear', align_mode=1, align_corners=False, data_format='NCW') out8 = interpolate(x, size=shape_tensor, mode='linear', align_mode=1, align_corners=False, data_format='NCW') x_data = np.random.random((1, 3, 64)).astype("float32") dim_data = np.array([128]).astype("int32") shape_data = np.array([ 128, ]).astype("int32") actual_size_data = np.array([ 128, ]).astype("int32") scale_data = np.array([2.0]).astype("float32") if core.is_compiled_with_cuda(): place = core.CUDAPlace(0) else: place = core.CPUPlace() exe = fluid.Executor(place) exe.run(fluid.default_startup_program()) results = exe.run( fluid.default_main_program(), feed={ "x": x_data, "dim": dim_data, "shape_tensor": shape_data, "actual_size": actual_size_data, "scale_tensor": scale_data }, fetch_list=[out1, out2, out3, out4, out5, out6, out7, out8], return_numpy=True) expect_res = linear_interp_np(x_data, out_w=128, align_mode=1, align_corners=False) for res in results: np.testing.assert_allclose(res, expect_res, rtol=1e-05) class TestLinearInterpOpAPI2_0(unittest.TestCase): def test_case(self): # dygraph x_data = np.random.random((1, 3, 128)).astype("float32") us_1 = paddle.nn.Upsample(size=[ 64, ], mode='linear', align_mode=1, align_corners=False, data_format='NCW') with fluid.dygraph.guard(): x = fluid.dygraph.to_variable(x_data) interp = us_1(x) expect = linear_interp_np(x_data, out_w=64, align_mode=1, align_corners=False) np.testing.assert_allclose(interp.numpy(), expect, rtol=1e-05) class TestResizeLinearOpUint8(OpTest): def setUp(self): self.out_size = None self.actual_shape = None self.init_test_case() self.op_type = "linear_interp" input_np = np.random.random(self.input_shape).astype("uint8") if self.scale > 0: out_w = int(self.input_shape[3] * self.scale) else: out_w = self.out_w output_np = linear_interp_np(input_np, out_w, self.out_size, self.actual_shape, self.align_corners, self.align_mode) self.inputs = {'X': input_np} if self.out_size is not None: self.inputs['OutSize'] = self.out_size self.attrs = { 'out_w': self.out_w, 'scale': self.scale, 'interp_method': self.interp_method, 'align_corners': self.align_corners, 'align_mode': self.align_mode } self.outputs = {'Out': output_np} def test_check_output(self): if platform.system() == "Linux": self.check_output_with_place(place=core.CPUPlace(), atol=1e-7) else: self.check_output_with_place(place=core.CPUPlace(), atol=1e-5) def init_test_case(self): self.interp_method = 'linear' self.input_shape = [2, 3, 100] self.out_w = 50 self.scale = 0. self.out_size = np.array([ 50, ]).astype("int32") self.align_corners = True self.align_mode = 1 class TestLinearInterpOpException(unittest.TestCase): def test_exception(self): def input_shape_error(): x1 = fluid.data(name="x1", shape=[1], dtype="float32") out = fluid.layers.resize_linear(x1, out_shape=[ 256, ], data_format='NCW') def data_format_error(): x2 = fluid.data(name="x2", shape=[1, 3, 128], dtype="float32") out = fluid.layers.resize_linear(x2, out_shape=[ 256, ], data_format='NHWCD') def out_shape_error(): x3 = fluid.data(name="x3", shape=[1, 3, 128], dtype="float32") out = fluid.layers.resize_linear(x3, out_shape=[ 256, 256, ], data_format='NHWC') self.assertRaises(ValueError, input_shape_error) self.assertRaises(ValueError, data_format_error) self.assertRaises(ValueError, out_shape_error) class TestLinearInterpOpError(unittest.TestCase): def test_error(self): with program_guard(Program(), Program()): def input_shape_error(): x1 = fluid.data(name="x1", shape=[1], dtype="float32") out1 = paddle.nn.Upsample(size=[ 256, ], data_format='NCW', mode='linear') out1_res = out1(x1) def data_format_error(): x2 = fluid.data(name="x2", shape=[1, 3, 128], dtype="float32") out2 = paddle.nn.Upsample(size=[ 256, ], data_format='NHWCD', mode='linear') out2_res = out2(x2) def out_shape_error(): x3 = fluid.data(name="x3", shape=[1, 3, 128], dtype="float32") out3 = paddle.nn.Upsample(size=[ 256, 256, ], data_format='NHWC', mode='linear') out3_res = out3(x3) self.assertRaises(ValueError, input_shape_error) self.assertRaises(ValueError, data_format_error) self.assertRaises(ValueError, out_shape_error) if __name__ == "__main__": unittest.main()