# Copyright 2020 Huawei Technologies Co., Ltd # # 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 numpy as np import pytest import mindspore.context as context from mindspore import Tensor from mindspore.nn import Cell import mindspore.ops.operations._grad_ops as G context.set_context(mode=context.GRAPH_MODE, enable_graph_kernel=True, device_target="CPU") class MaxmumGradNet(Cell): def __init__(self): super(MaxmumGradNet, self).__init__() self.maximum_grad = G.MaximumGrad() def construct(self, x, y, dy): return self.maximum_grad(x, y, dy) @pytest.mark.level0 @pytest.mark.platform_x86_cpu_training @pytest.mark.env_onecard def test_maximum_grad_random(): np.random.seed(0) input_x = np.random.normal(0, 1, [2, 3]).astype(np.float32) input_y = np.random.normal(0, 1, [2, 3]).astype(np.float32) input_dout = np.maximum(input_x, input_y).astype(np.float32) net = MaxmumGradNet() result = net(Tensor(input_x), Tensor(input_y), Tensor(input_dout)) dx = input_dout * (input_x >= input_y) dy = input_dout - dx assert np.allclose(result[0].asnumpy(), dx, rtol=1.e-4, atol=1.e-8, equal_nan=True) assert np.allclose(result[1].asnumpy(), dy, rtol=1.e-4, atol=1.e-8, equal_nan=True) @pytest.mark.level0 @pytest.mark.platform_x86_cpu_training @pytest.mark.env_onecard def test_broadcast_grad_cpu(): x = np.array([[[[0.659578], [0.49113268], [0.75909054], [0.71681815], [0.30421826]]], [[[0.30322495], [0.02858258], [0.06398096], [0.09519596], [0.12498625]]], [[[0.7347768], [0.166469], [0.328553], [0.54908437], [0.23673844]]]]).astype(np.float32) y = np.array([[[[0.9154968, 0.29014662, 0.6492294, 0.39918253, 0.1648203, 0.00861965]], [[0.996885, 0.24152198, 0.3601213, 0.51664376, 0.7933056, 0.84706444]], [[0.75606346, 0.974512, 0.3939527, 0.69697475, 0.83400667, 0.6348955]], [[0.68492866, 0.24609096, 0.4924665, 0.22500521, 0.38474053, 0.5586104]]]]).astype(np.float32) dout = np.array([[[[0.42891738, 0.03434946, 0.06192983, 0.21216309, 0.37450036, 0.6619524], [0.8583447, 0.5765161, 0.1468952, 0.9975385, 0.6908136, 0.4903796], [0.68952006, 0.39336833, 0.9049695, 0.66886294, 0.2338471, 0.913618], [0.0428149, 0.6243054, 0.8519898, 0.12088962, 0.9735885, 0.45661286], [0.41563734, 0.41607043, 0.4754915, 0.32207987, 0.33823156, 0.47422352]], [[0.64478457, 0.22430937, 0.7682554, 0.46082005, 0.8938723, 0.20490853], [0.44393885, 0.08278944, 0.4734108, 0.5543551, 0.39428464, 0.44424313], [0.12612297, 0.76566416, 0.71133816, 0.81280327, 0.20583127, 0.54058075], [0.41341263, 0.48118508, 0.00401995, 0.37259838, 0.05435474, 0.5240658], [0.4081956, 0.48718935, 0.9132831, 0.67969185, 0.0119757, 0.8328054]], [[0.91695577, 0.95370644, 0.263782, 0.7477626, 0.6448147, 0.8080634], [0.15576603, 0.9104615, 0.3778708, 0.6912833, 0.2092224, 0.67462957], [0.7087075, 0.7888326, 0.4672294, 0.98221505, 0.25210258, 0.98920417], [0.7466197, 0.22702982, 0.01991269, 0.6846591, 0.7515228, 0.5890395], [0.04531088, 0.21740614, 0.8406235, 0.36480767, 0.37733936, 0.02914464]], [[0.33069974, 0.5497569, 0.9896345, 0.4167176, 0.78057563, 0.04659131], [0.7747768, 0.21427679, 0.29893255, 0.7706969, 0.9755185, 0.42388415], [0.3910244, 0.39381978, 0.37065396, 0.15558061, 0.05012341, 0.15870963], [0.17791101, 0.47219893, 0.13899496, 0.32323205, 0.3628809, 0.02580585], [0.30274773, 0.62890774, 0.11024303, 0.6980051, 0.35346958, 0.062852]]], [[[0.6925081, 0.74668753, 0.80145043, 0.06598313, 0.665123, 0.15073007], [0.11784806, 0.6385372, 0.5228278, 0.5349848, 0.84671104, 0.8096436], [0.09516156, 0.63298017, 0.52382874, 0.36734378, 0.66497755, 0.6019127], [0.46438488, 0.0194377, 0.9388292, 0.7286089, 0.29178405, 0.11872514], [0.22101837, 0.6164887, 0.6139798, 0.11711904, 0.6227745, 0.09701069]], [[0.80480653, 0.90034056, 0.8633447, 0.97415197, 0.08309154, 0.8446033], [0.9473769, 0.791024, 0.26339203, 0.01155075, 0.2673186, 0.7116369], [0.9687511, 0.24281934, 0.37777108, 0.09802654, 0.2421312, 0.87095344], [0.6311381, 0.23368953, 0.0998995, 0.4364419, 0.9187446, 0.5043872], [0.35226053, 0.09357589, 0.41317305, 0.85930043, 0.16249318, 0.5478765]], [[0.14338651, 0.24859418, 0.4246941, 0.73034066, 0.47172204, 0.8717199], [0.05415315, 0.78556925, 0.99214983, 0.7415298, 0.673708, 0.87817156], [0.616975, 0.42843062, 0.05179814, 0.1566958, 0.04536059, 0.70166487], [0.15493333, 0.776598, 0.4361967, 0.40253627, 0.89210516, 0.8144414], [0.04816005, 0.29696834, 0.4586605, 0.3419852, 0.5595613, 0.74093205]], [[0.1388035, 0.9168704, 0.64287645, 0.83864623, 0.48026922, 0.78323376], [0.12724937, 0.83034366, 0.42557436, 0.50578654, 0.25630295, 0.15349793], [0.27256685, 0.04547984, 0.5385756, 0.39270344, 0.7661698, 0.23722854], [0.24620503, 0.25431684, 0.71564585, 0.01161419, 0.846467, 0.7043044], [0.63272387, 0.11857849, 0.3772076, 0.16758402, 0.46743023, 0.05919575]]], [[[0.18827082, 0.8912264, 0.6841404, 0.74436826, 0.9582085, 0.1083683], [0.60695344, 0.09742349, 0.25074378, 0.87940735, 0.21116392, 0.39418384], [0.744686, 0.35679692, 0.01308284, 0.45166633, 0.68166, 0.8634658], [0.7331758, 0.21113694, 0.3935488, 0.87934476, 0.70728546, 0.09309767], [0.12128611, 0.93696386, 0.81177396, 0.85402405, 0.5827289, 0.9776509]], [[0.54069614, 0.66651285, 0.10646132, 0.17342485, 0.88795924, 0.03551182], [0.25531697, 0.87946486, 0.74267226, 0.89230734, 0.95171434, 0.94697934], [0.3708397, 0.507355, 0.97099817, 0.4918163, 0.17212386, 0.5008048], [0.62530744, 0.25210327, 0.73966664, 0.71555346, 0.82484317, 0.6094874], [0.4589691, 0.1386695, 0.27448782, 0.20373994, 0.27805242, 0.23292768]], [[0.7414099, 0.2270226, 0.90431255, 0.47035843, 0.9581062, 0.5359226], [0.79603523, 0.45549425, 0.80858237, 0.7705133, 0.017761, 0.98001194], [0.06013146, 0.99240226, 0.33515573, 0.04110833, 0.41470334, 0.7130743], [0.5687417, 0.5788611, 0.00722461, 0.6603336, 0.3420471, 0.75181854], [0.4699261, 0.51390815, 0.343182, 0.81498754, 0.8942413, 0.46532857]], [[0.4589523, 0.5534698, 0.2825786, 0.8205943, 0.78258514, 0.43154418], [0.27020997, 0.01667354, 0.60871965, 0.90670526, 0.3208025, 0.96995634], [0.85337156, 0.9711295, 0.1381724, 0.53670496, 0.7347996, 0.73380876], [0.6137464, 0.54751194, 0.9037335, 0.23134394, 0.61411524, 0.26583543], [0.70770144, 0.01813207, 0.24718016, 0.70329237, 0.7062925, 0.14399007]]]]).astype(np.float32) dx = np.array([[[[6.6534014], [5.649811], [10.071739], [6.6798244], [3.0426278]]], [[[4.2183976], [0.8096436], [0.6019127], [0.11872514], [0.09701069]]], [[[9.573029], [0.60534775], [3.917112], [5.9021177], [2.263672]]]]).astype(np.float32) dy = np.array([[[[6.4205275, 2.941831, 5.492452, 4.3212175, 2.4262471, 0.]], [[7.991917, 2.3792431, 4.9190216, 5.2013817, 6.348791, 8.351772]], [[5.518505, 8.401285, 4.691043, 6.463884, 7.504318, 7.620938]], [[5.2708025, 1.2835244, 4.1031275, 1.9843934, 4.9320035, 4.537787]]]]).astype(np.float32) net = MaxmumGradNet() result = net(Tensor(x), Tensor(y), Tensor(dout)) assert np.allclose(result[0].asnumpy(), dx, rtol=1.e-4, atol=1.e-8, equal_nan=True) assert np.allclose(result[1].asnumpy(), dy, rtol=1.e-4, atol=1.e-8, equal_nan=True)