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aka_common.cc
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Sun, Nov 3, 17:21

aka_common.cc
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/**
* Copyright (©) 2010-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "aka_random_generator.hh"
#include "communicator.hh"
#include "cppargparse.hh"
#include "parser.hh"
#include "communication_tag.hh"
/* -------------------------------------------------------------------------- */
#include <cmath>
#include <cstdlib>
#include <ctime>
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
void initialize(int & argc, char **& argv) {
AKANTU_DEBUG_IN();
initialize("", argc, argv);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void initialize(const std::string & input_file, int & argc, char **& argv) {
AKANTU_DEBUG_IN();
Communicator & comm = Communicator::getStaticCommunicator(argc, argv);
Tag::setMaxTag(comm.getMaxTag());
debug::debugger.setParallelContext(comm.whoAmI(), comm.getNbProc());
debug::setDebugLevel(dblError);
static_argparser.setParallelContext(comm.whoAmI(), comm.getNbProc());
static_argparser.setExternalExitFunction(debug::exit);
static_argparser.addArgument("--aka_input_file", "Akantu's input file", 1,
cppargparse::_string, std::string());
static_argparser.addArgument(
"--aka_debug_level",
std::string("Akantu's overall debug level") +
std::string(" (0: error, 1: exceptions, 4: warnings, 5: info, ..., "
"100: dump") +
std::string(" more info on levels can be found in aka_error.hh)"),
1, cppargparse::_integer, (long int)(dblWarning));
static_argparser.addArgument(
"--aka_print_backtrace",
"Should Akantu print a backtrace in case of error", 0,
cppargparse::_boolean, false, true);
static_argparser.addArgument("--aka_seed", "The seed to use on prank 0", 1,
cppargparse::_integer);
static_argparser.parse(argc, argv, cppargparse::_remove_parsed);
std::string infile = static_argparser["aka_input_file"];
if (infile.empty()) {
infile = input_file;
}
debug::debugger.printBacktrace(static_argparser["aka_print_backtrace"]);
if (not infile.empty()) {
readInputFile(infile);
}
long int seed;
char * env_seed = std::getenv("AKA_SEED");
if (env_seed != nullptr) {
seed = std::atol(env_seed);
} else if (static_argparser.has("aka_seed")) {
seed = static_argparser["aka_seed"];
} else {
seed =
static_parser.getParameter("seed", time(nullptr), _ppsc_current_scope);
}
seed *= (comm.whoAmI() + 1);
RandomGenerator<Idx>::seed(seed);
long int dbl_level = static_argparser["aka_debug_level"];
debug::setDebugLevel(DebugLevel(dbl_level));
char * env_debug_level = std::getenv("AKA_DEBUG_LEVEL");
if (env_debug_level != nullptr) {
debug::setDebugLevel(DebugLevel(std::atoi(env_debug_level)));
}
AKANTU_DEBUG_INFO("Random seed set to " << seed);
std::atexit(finalize);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void finalize() {}
/* -------------------------------------------------------------------------- */
void readInputFile(const std::string & input_file) {
static_parser.parse(input_file);
}
/* -------------------------------------------------------------------------- */
cppargparse::ArgumentParser & getStaticArgumentParser() {
return static_argparser;
}
/* -------------------------------------------------------------------------- */
Parser & getStaticParser() { return static_parser; }
/* -------------------------------------------------------------------------- */
const ParserSection & getUserParser() {
return *(static_parser.getSubSections(ParserType::_user).first);
}
std::unique_ptr<Communicator> Communicator::static_communicator;
std::ostream & operator<<(std::ostream & stream, NodeFlag flag) {
using under = std::underlying_type_t<NodeFlag>;
auto digits = static_cast<int>(
std::log(std::numeric_limits<under>::max() + 1) / std::log(16));
std::ios_base::fmtflags ff;
ff = stream.flags();
auto value = static_cast<std::common_type_t<under, unsigned int>>(flag);
stream << "0x" << std::hex << std::setw(digits) << std::setfill('0') << value;
stream.flags(ff);
return stream;
}
} // namespace akantu

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