wehub-resource-sync
73 lines
2.5 KiB
C++
73 lines
2.5 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/fluid/inference/utils/model_utils.h"
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#include <set>
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#include "paddle/fluid/framework/var_type_inference.h"
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#include "paddle/phi/common/data_type.h"
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#include "paddle/phi/core/framework/framework.pb.h"
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namespace paddle::inference {
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using paddle::framework::proto::VarType;
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// Get all model's weights and return the data_type, e.g., fp16/bf16 or fp32.
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phi::DataType GetModelPrecision(const framework::ProgramDesc& program) {
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std::set<VarType::Type> model_types{
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VarType::FP32,
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VarType::FP16,
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VarType::BF16,
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};
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phi::DataType ret = phi::DataType::FLOAT32;
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size_t block_size = program.Size();
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for (size_t i = 0; i < block_size; ++i) {
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const auto& block = program.Block(i);
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for (auto* var : block.AllVars()) {
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if (!(var->GetType() == VarType::DENSE_TENSOR ||
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var->GetType() == VarType::DENSE_TENSOR_ARRAY))
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continue;
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if (!var->Persistable()) continue;
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auto t = var->GetDataType();
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if (!model_types.count(t)) continue;
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if (t == VarType::FP16) {
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if (ret != phi::DataType::FLOAT32 && ret != phi::DataType::FLOAT16) {
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PADDLE_THROW(common::errors::PreconditionNotMet(
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"The model's weights already has been set %s type, but also has "
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"%s type, which is an error, please check the model.",
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ret,
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phi::DataType::FLOAT16));
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}
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ret = phi::DataType::FLOAT16;
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} else if (t == VarType::BF16) {
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if (ret != phi::DataType::FLOAT32 && ret != phi::DataType::BFLOAT16) {
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PADDLE_THROW(common::errors::PreconditionNotMet(
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"The model's weights already has been set %s type, but also has "
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"%s type, which is an error, please check the model.",
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ret,
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phi::DataType::BFLOAT16));
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}
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ret = phi::DataType::BFLOAT16;
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}
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}
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}
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return ret;
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}
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} // namespace paddle::inference
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