Emily Boudreaux
712efc03fc
dramatically increased stability of jacobian. System is burning again with much more robust physics
95 lines
3.2 KiB
C++
95 lines
3.2 KiB
C++
#include <iostream>
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#include <fstream>
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#include "gridfire/engine/engine_graph.h"
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#include "gridfire/engine/engine_approx8.h"
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#include "gridfire/engine/views/engine_adaptive.h"
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#include "gridfire/partition/partition_types.h"
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#include "gridfire/engine/views/engine_defined.h"
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#include "gridfire/engine/views/engine_multiscale.h"
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#include "gridfire/engine/procedures/priming.h"
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#include "gridfire/io/network_file.h"
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#include "gridfire/solver/solver.h"
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#include "gridfire/network.h"
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#include "fourdst/composition/composition.h"
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#include "fourdst/logging/logging.h"
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#include "quill/Logger.h"
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#include "quill/LogMacros.h"
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#include "quill/Backend.h"
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#include "quill/Frontend.h"
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#include <chrono>
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#include <functional>
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#include "gridfire/partition/composite/partition_composite.h"
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static std::terminate_handler g_previousHandler = nullptr;
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void measure_execution_time(const std::function<void()>& callback, const std::string& name)
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{
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const auto startTime = std::chrono::steady_clock::now();
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callback();
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const auto endTime = std::chrono::steady_clock::now();
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const auto duration = std::chrono::duration_cast<std::chrono::nanoseconds>(endTime - startTime);
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std::cout << "Execution time for " << name << ": "
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<< duration.count()/1e9 << " s\n";
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}
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void quill_terminate_handler()
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{
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quill::Backend::stop();
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if (g_previousHandler)
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g_previousHandler();
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else
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std::abort();
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}
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int main() {
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g_previousHandler = std::set_terminate(quill_terminate_handler);
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quill::Logger* logger = fourdst::logging::LogManager::getInstance().getLogger("log");
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logger->set_log_level(quill::LogLevel::Info);
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LOG_DEBUG(logger, "Starting Adaptive Engine View Example...");
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using namespace gridfire;
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const std::vector<double> comp = {0.708, 2.94e-5, 0.276, 0.003, 0.0011, 9.62e-3, 1.62e-3, 5.16e-4};
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const std::vector<std::string> symbols = {"H-1", "He-3", "He-4", "C-12", "N-14", "O-16", "Ne-20", "Mg-24"};
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fourdst::composition::Composition composition;
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composition.registerSymbol(symbols, true);
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composition.setMassFraction(symbols, comp);
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composition.finalize(true);
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using partition::BasePartitionType;
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const auto partitionFunction = partition::CompositePartitionFunction({
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BasePartitionType::RauscherThielemann,
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BasePartitionType::GroundState
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});
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NetIn netIn;
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netIn.composition = composition;
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netIn.temperature = 1.5e7;
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netIn.density = 1.5e3;
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netIn.energy = 0;
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netIn.tMax = 3.546e17;
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netIn.dt0 = 1e-12;
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GraphEngine ReaclibEngine(composition, partitionFunction, NetworkBuildDepth::SecondOrder);
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ReaclibEngine.setPrecomputation(true);
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ReaclibEngine.setUseReverseReactions(false);
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MultiscalePartitioningEngineView partitioningView(ReaclibEngine);
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AdaptiveEngineView adaptiveView(partitioningView);
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solver::DirectNetworkSolver solver(adaptiveView);
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NetOut netOut;
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measure_execution_time([&](){netOut = solver.evaluate(netIn);}, "DirectNetworkSolver Evaluation");
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std::cout << "DirectNetworkSolver completed in " << netOut.num_steps << " steps.\n";
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std::cout << "Final composition:\n";
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for (const auto& [symbol, entry] : netOut.composition) {
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std::cout << symbol << ": " << entry.mass_fraction() << "\n";
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}
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} |