wehub-resource-sync
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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/transpose_kernel.h"
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#include <vector>
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#include "paddle/phi/backends/cpu/cpu_context.h"
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#include "paddle/phi/core/kernel_registry.h"
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#include "paddle/phi/kernels/funcs/math_function.h"
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namespace phi {
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template <typename T, typename Context>
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void TransposeKernel(const Context& dev_ctx,
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const DenseTensor& x,
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const std::vector<int>& axis,
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DenseTensor* out) {
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size_t x_rank = x.dims().size();
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std::vector<int> formatted_axis = axis;
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for (size_t i = 0; i < axis.size(); i++) {
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if (axis[i] < 0) {
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formatted_axis[i] = static_cast<int>(axis[i] + x_rank);
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}
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}
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dev_ctx.template Alloc<T>(out);
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if (out->numel() == 0) {
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return;
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}
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int rank = static_cast<int>(formatted_axis.size());
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switch (rank) {
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case 0:
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Copy<Context>(dev_ctx, x, dev_ctx.GetPlace(), false, out);
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break;
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case 1:
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funcs::Transpose<Context, T, 1> trans1;
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trans1(dev_ctx, x, out, formatted_axis);
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break;
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case 2:
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funcs::Transpose<Context, T, 2> trans2;
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trans2(dev_ctx, x, out, formatted_axis);
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break;
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case 3:
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funcs::Transpose<Context, T, 3> trans3;
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trans3(dev_ctx, x, out, formatted_axis);
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break;
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case 4:
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funcs::Transpose<Context, T, 4> trans4;
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trans4(dev_ctx, x, out, formatted_axis);
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break;
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case 5:
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funcs::Transpose<Context, T, 5> trans5;
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trans5(dev_ctx, x, out, formatted_axis);
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break;
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case 6:
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funcs::Transpose<Context, T, 6> trans6;
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trans6(dev_ctx, x, out, formatted_axis);
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break;
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default:
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// for rank >= 7 situation
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funcs::TransposeNormal<Context, T> trans_normal;
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trans_normal(dev_ctx, x, out, formatted_axis);
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}
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}
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} // namespace phi
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PD_REGISTER_KERNEL(transpose,
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CPU,
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ALL_LAYOUT,
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phi::TransposeKernel,
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bool,
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float,
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double,
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int32_t,
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int64_t,
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uint8_t,
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uint16_t,
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uint32_t,
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uint64_t,
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int8_t,
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int16_t,
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phi::float16,
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phi::bfloat16,
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phi::complex64,
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phi::complex128,
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phi::float8_e4m3fn,
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phi::float8_e5m2) {}
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