wehub-resource-sync
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#include "paddle/phi/kernels/funcs/scatter.h"
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#include <gtest/gtest.h>
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#include "paddle/fluid/framework/tensor.h"
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#include "paddle/phi/common/place.h"
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TEST(scatter, ScatterUpdate) {
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phi::DenseTensor src;
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phi::DenseTensor index;
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phi::DenseTensor output;
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auto* p_src =
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src.mutable_data<float>(common::make_ddim({1, 4}), phi::CPUPlace());
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auto* p_index =
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index.mutable_data<int>(common::make_ddim({1}), phi::CPUPlace());
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for (size_t i = 0; i < 4; ++i) {
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p_src[i] = static_cast<float>(i);
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}
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p_index[0] = 1;
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auto* p_output =
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output.mutable_data<float>(common::make_ddim({4, 4}), phi::CPUPlace());
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for (int64_t i = 0; i < output.numel(); ++i) {
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p_output[i] = 0;
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}
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auto* cpu_place = new phi::CPUPlace();
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phi::CPUContext ctx(*cpu_place);
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phi::funcs::ScatterAssign<float>(ctx, src, index, &output);
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for (size_t i = 0; i < 4; ++i) EXPECT_EQ(p_output[i], 0.0f);
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for (size_t i = 0; i < 4; ++i) EXPECT_EQ(output.data<float>()[i], 0.0f);
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for (size_t i = 4; i < 8; ++i) {
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EXPECT_EQ(p_output[i], static_cast<float>(i - 4));
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}
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for (size_t i = 4; i < 8; ++i)
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EXPECT_EQ(output.data<float>()[i], static_cast<float>(i - 4));
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for (size_t i = 8; i < 16; ++i) EXPECT_EQ(p_output[i], 0.0f);
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for (size_t i = 8; i < 16; ++i) EXPECT_EQ(output.data<float>()[i], 0.0f);
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delete cpu_place;
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}
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