wehub-resource-sync
67 lines
2.1 KiB
C++
67 lines
2.1 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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#pragma once
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#include <stdint.h>
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#include <fstream>
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#include <numeric>
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#include <string>
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#include <vector>
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#include "paddle/phi/core/framework/dense_tensor_serialize.h"
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#include "paddle/phi/core/framework/var_type_helper.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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#include "paddle/phi/kernels/cast_kernel.h"
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namespace phi {
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template <typename T, typename Context>
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void SaveKernel(const Context& dev_ctx,
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const DenseTensor& x,
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const std::string& file_path,
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bool overwrite,
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bool save_as_fp16) {
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PADDLE_ENFORCE_EQ(
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FileExists(file_path) && !overwrite,
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false,
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common::errors::PreconditionNotMet(
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"%s exists!, cannot save to it when overwrite is set to false.",
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file_path));
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MkDirRecursively(DirName(file_path).c_str());
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// FIXME(yuyang18): We save variable to local file now, but we should change
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// it to save an output stream.
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std::ofstream fout(file_path, std::ios::binary);
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PADDLE_ENFORCE_EQ(static_cast<bool>(fout),
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true,
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common::errors::Unavailable(
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"Cannot open %s to save variables.", file_path));
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auto in_dtype = x.dtype();
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auto out_dtype = save_as_fp16 ? DataType::FLOAT16 : in_dtype;
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if (in_dtype != out_dtype) {
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auto out = Cast<T>(dev_ctx, x, out_dtype);
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SerializeToStream(fout, out, dev_ctx);
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} else {
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SerializeToStream(fout, x, dev_ctx);
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}
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fout.close();
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}
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} // namespace phi
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