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/*
* Copyright (c) 2022-2023, NVIDIA CORPORATION. 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 "logger.h"
#include <cuda_runtime.h>
namespace fastertransformer {
Logger::Logger()
{
char* is_first_rank_only_char = std::getenv("FT_LOG_FIRST_RANK_ONLY");
bool is_first_rank_only =
(is_first_rank_only_char != nullptr && std::string(is_first_rank_only_char) == "ON") ? true : false;
int device_id;
cudaGetDevice(&device_id);
char* level_name = std::getenv("FT_LOG_LEVEL");
if (level_name != nullptr) {
std::map<std::string, Level> name_to_level = {
{"TRACE", TRACE},
{"DEBUG", DEBUG},
{"INFO", INFO},
{"WARNING", WARNING},
{"ERROR", ERROR},
};
auto level = name_to_level.find(level_name);
// If FT_LOG_FIRST_RANK_ONLY=ON, set LOG LEVEL of other device to ERROR
if (is_first_rank_only && device_id != 0) {
level = name_to_level.find("ERROR");
}
if (level != name_to_level.end()) {
setLevel(level->second);
}
else {
fprintf(stderr,
"[FT][WARNING] Invalid logger level FT_LOG_LEVEL=%s. "
"Ignore the environment variable and use a default "
"logging level.\n",
level_name);
level_name = nullptr;
}
}
}
} // namespace fastertransformer
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