Files
MP-SPDZ/GC/ThreadMaster.hpp
2021-09-17 14:31:25 +10:00

109 lines
2.1 KiB
C++

/*
* ThreadMaster.cpp
*
*/
#ifndef GC_THREADMASTER_HPP_
#define GC_THREADMASTER_HPP_
#include "ThreadMaster.h"
#include "Program.h"
#include "instructions.h"
#include "Machine.hpp"
namespace GC
{
template<class T>
ThreadMaster<T>* ThreadMaster<T>::singleton = 0;
template<class T>
ThreadMaster<T>& ThreadMaster<T>::s()
{
if (singleton)
return *singleton;
else
throw no_singleton("no singleton, maybe threads not supported");
}
template<class T>
ThreadMaster<T>::ThreadMaster(OnlineOptions& opts) :
P(0), opts(opts)
{
if (singleton)
throw runtime_error("there can only be one");
singleton = this;
}
template<class T>
void ThreadMaster<T>::run_tape(int thread_number, int tape_number, int arg)
{
threads.at(thread_number)->tape_schedule.push({tape_number, arg});
}
template<class T>
void ThreadMaster<T>::join_tape(int thread_number)
{
threads.at(thread_number)->join_tape();
}
template<class T>
Thread<T>* ThreadMaster<T>::new_thread(int i)
{
return new Thread<T>(i, *this);
}
template<class T>
void ThreadMaster<T>::run()
{
P = new PlainPlayer(N, "main");
machine.load_schedule(progname);
if (T::needs_ot)
for (int i = 0; i < machine.nthreads; i++)
machine.ot_setups.push_back({*P, true});
for (int i = 0; i < machine.nthreads; i++)
threads.push_back(new_thread(i));
for (auto thread : threads)
thread->join_tape();
Timer timer;
timer.start();
threads[0]->tape_schedule.push(0);
for (auto thread : threads)
thread->finish();
// synchronize
vector<octetStream> os(P->num_players());
P->Broadcast_Receive(os);
post_run();
NamedCommStats stats = P->comm_stats;
ExecutionStats exe_stats;
for (auto thread : threads)
{
stats += thread->P->comm_stats;
exe_stats += thread->processor.stats;
delete thread;
}
delete P;
exe_stats.print();
stats.print();
cerr << "Time = " << timer.elapsed() << " seconds" << endl;
cerr << "Data sent = " << stats.sent * 1e-6 << " MB" << endl;
}
} /* namespace GC */
#endif