70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
// Copyright (c) 2024 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/core/framework/feed_fetch_type.h"
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#include "paddle/phi/core/kernel_registry.h"
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#include "paddle/phi/core/tensor_utils.h"
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namespace phi {
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const FeedType& CheckAndGetFeedItem(const FeedList* x, int col) {
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PADDLE_ENFORCE_GE(col,
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0,
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common::errors::InvalidArgument(
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"Expected the column index (the attribute 'col' of "
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"operator 'Feed') of current feeding variable to be "
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"no less than 0. But received column index = %d.",
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col));
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const auto feed_list = x;
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PADDLE_ENFORCE_LT(
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static_cast<size_t>(col),
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feed_list->size(),
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common::errors::InvalidArgument(
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"The column index of current feeding variable is expected to be "
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"less than the length of feeding list. But received column index = "
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"%d, the length of feeding list = %d",
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col,
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feed_list->size()));
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return feed_list->at(static_cast<size_t>(col));
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}
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template <typename Context>
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void FeedDenseTensorKernel(const Context& dev_ctx,
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const ExtendedTensor& x,
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int col,
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DenseTensor* out) {
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PADDLE_ENFORCE_NOT_NULL(
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out,
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common::errors::NotFound(
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"Output cannot be found in scope for operator 'Feed'"));
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const auto& feed_item =
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CheckAndGetFeedItem(reinterpret_cast<const FeedList*>(&x), col);
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const auto& in_tensor = static_cast<DenseTensor>(feed_item);
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const auto& place = dev_ctx.GetPlace();
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if (is_same_place(in_tensor.place(), place)) {
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out->ShareDataWith(in_tensor);
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} else {
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Copy(dev_ctx, in_tensor, place, false, out);
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}
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out->set_lod(in_tensor.lod());
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}
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} // namespace phi
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PD_REGISTER_KERNEL_FOR_ALL_BACKEND_DTYPE(feed,
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ALL_LAYOUT,
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phi::FeedDenseTensorKernel) {}
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