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feat(precomputation): added precomputation

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preformance speed up by a factor of ~5
This commit is contained in:
Emily Boudreaux
2025-07-01 14:30:45 -04:00
parent 4ee6f816d0
commit 5b4db3ea43
3 changed files with 225 additions and 19 deletions
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29
tests/graphnet_sandbox/main.cpp
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@@ -19,9 +19,23 @@
#include "quill/Backend.h"
#include "quill/Frontend.h"
#include <chrono>
#include <functional>
// Keep a copy of the previous handler
static std::terminate_handler g_previousHandler = nullptr;
void measure_execution_time(const std::function<void()>& callback, const std::string& name)
{
// variable names in camelCase
const auto startTime = std::chrono::steady_clock::now();
callback();
const auto endTime = std::chrono::steady_clock::now();
const auto duration = std::chrono::duration_cast<std::chrono::nanoseconds>(endTime - startTime);
std::cout << "Execution time for " << name << ": "
<< duration.count()/1e9 << " s\n";
}
void quill_terminate_handler()
{
// 1. Stop the Quill backend (flushes all sinks and joins thread)
@@ -65,21 +79,28 @@ int main() {
NetOut netOut;
netIn.dt0 = 1e12;
// netIn.dt0 = 1e12;
// approx8::Approx8Network approx8Network;
// netOut = approx8Network.evaluate(netIn);
// measure_execution_time([&]() {
// netOut = approx8Network.evaluate(netIn);
// }, "Approx8 Network Initialization");
// std::cout << "Approx8 Network H-1: " << netOut.composition.getMassFraction("H-1") << " in " << netOut.num_steps << " steps." << std::endl;
netIn.dt0 = 1e-15;
GraphEngine ReaclibEngine(composition);
ReaclibEngine.setPrecomputation(true);
// AdaptiveEngineView adaptiveEngine(ReaclibEngine);
io::SimpleReactionListFileParser parser{};
FileDefinedEngineView approx8EngineView(ReaclibEngine, "approx8.net", parser);
approx8EngineView.setScreeningModel(screening::ScreeningType::WEAK);
solver::QSENetworkSolver solver(approx8EngineView);
netOut = solver.evaluate(netIn);
std::cout << "QSE Graph Network H-1: " << netOut.composition.getMassFraction("H-1") << " in " << netOut.num_steps << " steps." << std::endl;
// measure_execution_time([&]() {
// netOut = solver.evaluate(netIn);
// }, "Approx8 Network Evaluation (Precomputation)");
// ReaclibEngine.setPrecomputation(false);
// std::cout << "Precomputation H-1: " << netOut.composition.getMassFraction("H-1") << " in " << netOut.num_steps << " steps." << std::endl;
}