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/* Copyright (c) 2022 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. */ | ||
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#include "paddle/fluid/operators/slice_op.h" | ||
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#include "paddle/fluid/operators/mlu/mlu_baseop.h" | ||
#include "paddle/phi/kernels/funcs/slice_utils.h" | ||
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namespace paddle { | ||
namespace operators { | ||
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using Tensor = framework::Tensor; | ||
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template <typename T> | ||
class SliceMLUKernel : public framework::OpKernel<T> { | ||
public: | ||
void Compute(const framework::ExecutionContext& ctx) const override { | ||
auto* input = ctx.Input<Tensor>("Input"); | ||
auto* out = ctx.Output<Tensor>("Out"); | ||
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auto axes = ctx.Attr<std::vector<int>>("axes"); | ||
auto starts = ctx.Attr<std::vector<int>>("starts"); | ||
auto ends = ctx.Attr<std::vector<int>>("ends"); | ||
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auto decrease_axis = ctx.Attr<std::vector<int>>("decrease_axis"); | ||
auto infer_flags = ctx.Attr<std::vector<int>>("infer_flags"); | ||
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// Get the accurate attribute value of starts and ends | ||
auto starts_tensor_list = ctx.MultiInput<Tensor>("StartsTensorList"); | ||
if (ctx.HasInput("StartsTensor")) { | ||
starts = GetDataFromTensor<int>(ctx.Input<Tensor>("StartsTensor")); | ||
} else if (starts_tensor_list.size() > 0) { | ||
starts = GetDataFromTensorList<int>(starts_tensor_list); | ||
} | ||
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auto ends_tensor_list = ctx.MultiInput<Tensor>("EndsTensorList"); | ||
if (ctx.HasInput("EndsTensor")) { | ||
ends = GetDataFromTensor<int>(ctx.Input<Tensor>("EndsTensor")); | ||
} else if (ends_tensor_list.size() > 0) { | ||
ends = GetDataFromTensorList<int>(ends_tensor_list); | ||
} | ||
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PADDLE_ENFORCE_EQ( | ||
starts.size(), axes.size(), | ||
platform::errors::InvalidArgument( | ||
"The size of starts must be equal to the size of axes.")); | ||
PADDLE_ENFORCE_EQ( | ||
ends.size(), axes.size(), | ||
platform::errors::InvalidArgument( | ||
"The size of ends must be equal to the size of axes.")); | ||
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const auto& in_dims = input->dims(); | ||
auto slice_dims = out->dims(); | ||
bool reset_slice_dims = false; | ||
if (ctx.HasInput("StartsTensor") || ctx.HasInput("EndsTensor") || | ||
starts_tensor_list.size() > 0 || ends_tensor_list.size() > 0) { | ||
// Infer output dims | ||
for (size_t i = 0; i < axes.size(); ++i) { | ||
// when start == -1 && end == start+1 | ||
if (starts[i] == -1 && ends[i] == 0 && infer_flags[i] == -1) { | ||
auto ret = | ||
std::find(decrease_axis.begin(), decrease_axis.end(), axes[i]); | ||
if (ret != decrease_axis.end()) { | ||
ends[i] = in_dims[axes[i]]; | ||
} | ||
} | ||
} | ||
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phi::funcs::CheckAndUpdateSliceAttrs(in_dims, axes, &starts, &ends); | ||
slice_dims = phi::funcs::GetSliceDims<int>(in_dims, axes, starts, ends, | ||
nullptr, nullptr); | ||
reset_slice_dims = true; | ||
auto out_dims = phi::funcs::GetDecreasedDims(slice_dims, decrease_axis); | ||
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out->Resize(out_dims); | ||
} | ||
if (slice_dims.size() != in_dims.size() && !reset_slice_dims) { | ||
phi::funcs::CheckAndUpdateSliceAttrs(in_dims, axes, &starts, &ends); | ||
slice_dims = phi::funcs::GetSliceDims<int>(in_dims, axes, starts, ends, | ||
nullptr, nullptr); | ||
} | ||
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int in_dim_size = input->dims().size(); | ||
if (static_cast<int>(axes.size()) != in_dim_size) { | ||
std::vector<int> tmp_starts(in_dim_size, 0); | ||
const auto& in_dims_vec = phi::vectorize(input->dims()); | ||
std::vector<int> tmp_ends(in_dims_vec.begin(), in_dims_vec.end()); | ||
for (size_t i = 0; i < axes.size(); ++i) { | ||
tmp_starts[axes[i]] = starts[i]; | ||
tmp_ends[axes[i]] = ends[i]; | ||
} | ||
starts.swap(tmp_starts); | ||
ends.swap(tmp_ends); | ||
} | ||
std::vector<int> strides(in_dim_size, 1); | ||
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out->mutable_data<T>(ctx.GetPlace()); | ||
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MLUCnnlTensorDesc input_desc(*input); | ||
MLUCnnlTensorDesc out_desc(slice_dims.size(), | ||
phi::vectorize(slice_dims).data(), | ||
ToCnnlDataType<T>()); | ||
MLUCnnl::StridedSlice(ctx, starts.data(), ends.data(), strides.data(), | ||
input_desc.get(), GetBasePtr(input), out_desc.get(), | ||
GetBasePtr(out)); | ||
} | ||
}; | ||
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template <typename T> | ||
class SliceGradMLUKernel : public framework::OpKernel<T> { | ||
public: | ||
void Compute(const framework::ExecutionContext& ctx) const override { | ||
auto* input = ctx.Input<Tensor>("Input"); | ||
auto* dout = ctx.Input<Tensor>(framework::GradVarName("Out")); | ||
auto* dinput = ctx.Output<Tensor>(framework::GradVarName("Input")); | ||
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auto axes = ctx.Attr<std::vector<int>>("axes"); | ||
auto starts = ctx.Attr<std::vector<int>>("starts"); | ||
auto ends = ctx.Attr<std::vector<int>>("ends"); | ||
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// Get the accurate attribute value of starts and ends | ||
auto starts_tensor_list = ctx.MultiInput<Tensor>("StartsTensorList"); | ||
if (ctx.HasInput("StartsTensor")) { | ||
starts = GetDataFromTensor<int>(ctx.Input<Tensor>("StartsTensor")); | ||
} else if (starts_tensor_list.size() > 0) { | ||
starts = GetDataFromTensorList<int>(starts_tensor_list); | ||
} | ||
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auto ends_tensor_list = ctx.MultiInput<Tensor>("EndsTensorList"); | ||
if (ctx.HasInput("EndsTensor")) { | ||
ends = GetDataFromTensor<int>(ctx.Input<Tensor>("EndsTensor")); | ||
} else if (ends_tensor_list.size() > 0) { | ||
ends = GetDataFromTensorList<int>(ends_tensor_list); | ||
} | ||
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const auto& in_dims = input->dims(); | ||
auto slice_dims = dout->dims(); | ||
if (slice_dims.size() != in_dims.size()) { | ||
phi::funcs::CheckAndUpdateSliceAttrs(in_dims, axes, &starts, &ends); | ||
slice_dims = phi::funcs::GetSliceDims<int>(in_dims, axes, starts, ends, | ||
nullptr, nullptr); | ||
} | ||
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int in_dim_size = input->dims().size(); | ||
if (static_cast<int>(axes.size()) != in_dim_size) { | ||
std::vector<int> tmp_starts(in_dim_size, 0); | ||
const auto& in_dims_vec = phi::vectorize(input->dims()); | ||
std::vector<int> tmp_ends(in_dims_vec.begin(), in_dims_vec.end()); | ||
for (size_t i = 0; i < axes.size(); ++i) { | ||
tmp_starts[axes[i]] = starts[i]; | ||
tmp_ends[axes[i]] = ends[i]; | ||
} | ||
starts.swap(tmp_starts); | ||
ends.swap(tmp_ends); | ||
} | ||
std::vector<int> strides(in_dim_size, 1); | ||
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dinput->mutable_data<T>(ctx.GetPlace()); | ||
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MLUCnnlTensorDesc dout_desc(slice_dims.size(), | ||
phi::vectorize(slice_dims).data(), | ||
ToCnnlDataType<T>()); | ||
MLUCnnlTensorDesc dinput_desc(*dinput); | ||
MLUCnnl::StridedSliceGrad(ctx, starts.data(), ends.data(), strides.data(), | ||
dout_desc.get(), GetBasePtr(dout), | ||
dinput_desc.get(), GetBasePtr(dinput)); | ||
} | ||
}; | ||
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} // namespace operators | ||
} // namespace paddle | ||
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namespace ops = paddle::operators; | ||
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REGISTER_OP_MLU_KERNEL(slice, ops::SliceMLUKernel<float>, | ||
ops::SliceMLUKernel<int>, ops::SliceMLUKernel<bool>, | ||
ops::SliceMLUKernel<int64_t>, | ||
ops::SliceMLUKernel<double>, | ||
ops::SliceMLUKernel<paddle::platform::float16>); | ||
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REGISTER_OP_MLU_KERNEL(slice_grad, ops::SliceGradMLUKernel<float>, | ||
ops::SliceGradMLUKernel<int>, | ||
ops::SliceGradMLUKernel<bool>, | ||
ops::SliceGradMLUKernel<int64_t>, | ||
ops::SliceGradMLUKernel<paddle::platform::float16>); |
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