You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.8 KiB
72 lines
2.8 KiB
/* Copyright (c) 2018 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. */
|
|
|
|
#include "paddle/fluid/framework/data_feed_factory.h"
|
|
#include <memory>
|
|
#include <string>
|
|
#include <unordered_map>
|
|
|
|
#include "paddle/fluid/framework/data_feed.h"
|
|
|
|
namespace paddle {
|
|
namespace framework {
|
|
typedef std::shared_ptr<DataFeed> (*Createdata_feedFunction)();
|
|
typedef std::unordered_map<std::string, Createdata_feedFunction> data_feedMap;
|
|
data_feedMap g_data_feed_map;
|
|
|
|
#define REGISTER_DATAFEED_CLASS(data_feed_class) \
|
|
namespace { \
|
|
std::shared_ptr<DataFeed> Creator_##data_feed_class() { \
|
|
return std::shared_ptr<DataFeed>(new data_feed_class); \
|
|
} \
|
|
class __Registerer_##data_feed_class { \
|
|
public: \
|
|
__Registerer_##data_feed_class() { \
|
|
g_data_feed_map[#data_feed_class] = &Creator_##data_feed_class; \
|
|
} \
|
|
}; \
|
|
__Registerer_##data_feed_class g_registerer_##data_feed_class; \
|
|
} // namespace
|
|
|
|
std::string DataFeedFactory::DataFeedTypeList() {
|
|
std::string data_feed_types;
|
|
for (auto iter = g_data_feed_map.begin(); iter != g_data_feed_map.end();
|
|
++iter) {
|
|
if (iter != g_data_feed_map.begin()) {
|
|
data_feed_types += ", ";
|
|
}
|
|
data_feed_types += iter->first;
|
|
}
|
|
return data_feed_types;
|
|
}
|
|
|
|
std::shared_ptr<DataFeed> DataFeedFactory::CreateDataFeed(
|
|
std::string data_feed_class) {
|
|
if (g_data_feed_map.count(data_feed_class) < 1) {
|
|
LOG(WARNING) << "Your DataFeed " << data_feed_class
|
|
<< "is not supported currently";
|
|
LOG(WARNING) << "Supported DataFeed: " << DataFeedTypeList();
|
|
exit(-1);
|
|
}
|
|
return g_data_feed_map[data_feed_class]();
|
|
}
|
|
|
|
REGISTER_DATAFEED_CLASS(MultiSlotDataFeed);
|
|
REGISTER_DATAFEED_CLASS(MultiSlotInMemoryDataFeed);
|
|
#if defined(PADDLE_WITH_CUDA) && !defined(_WIN32)
|
|
REGISTER_DATAFEED_CLASS(MultiSlotFileInstantDataFeed);
|
|
#endif
|
|
} // namespace framework
|
|
} // namespace paddle
|