wehub-resource-sync
51 lines
1.6 KiB
C++
51 lines
1.6 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/gather.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(Gather, GatherData) {
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phi::DenseTensor* src = new phi::DenseTensor();
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phi::DenseTensor* index = new phi::DenseTensor();
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phi::DenseTensor* output = new phi::DenseTensor();
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int* p_src = nullptr;
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int* p_index = nullptr;
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p_src = src->mutable_data<int>(common::make_ddim({3, 4}), phi::CPUPlace());
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p_index = index->mutable_data<int>(common::make_ddim({2}), phi::CPUPlace());
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for (int i = 0; i < 12; ++i) p_src[i] = i;
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p_index[0] = 1;
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p_index[1] = 0;
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int* p_output =
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output->mutable_data<int>(common::make_ddim({2, 4}), phi::CPUPlace());
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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::CPUGather<int>(ctx, *src, *index, output);
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delete cpu_place;
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cpu_place = nullptr;
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for (int i = 0; i < 4; ++i) EXPECT_EQ(p_output[i], i + 4);
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for (int i = 4; i < 8; ++i) EXPECT_EQ(p_output[i], i - 4);
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delete src;
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delete index;
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delete output;
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}
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