Exemplo n.º 1
0
void netlist_t::print_stats() const
{
	if (nperftime_t::enabled)
	{
		std::vector<size_t> index;
		for (size_t i=0; i<m_devices.size(); i++)
			index.push_back(i);

		std::sort(index.begin(), index.end(),
				[&](size_t i1, size_t i2) { return m_devices[i1]->m_stat_total_time.total() < m_devices[i2]->m_stat_total_time.total(); });

		nperftime_t::type total_time(0);
		uint_least64_t total_count(0);

		for (auto & j : index)
		{
			auto entry = m_devices[j].get();
			log().verbose("Device {1:20} : {2:12} {3:12} {4:15} {5:12}", entry->name(),
					entry->m_stat_call_count(), entry->m_stat_total_time.count(),
					entry->m_stat_total_time.total(), entry->m_stat_inc_active());
			total_time += entry->m_stat_total_time.total();
			total_count += entry->m_stat_total_time.count();
		}

		nperftime_t overhead;
		nperftime_t test;
		overhead.start();
		for (int j=0; j<100000;j++)
		{
			test.start();
			test.stop();
		}
		overhead.stop();

		nperftime_t::type total_overhead = overhead()
				* static_cast<nperftime_t::type>(total_count)
				/ static_cast<nperftime_t::type>(200000);

		log().verbose("Queue Pushes   {1:15}", queue().m_prof_call());
		log().verbose("Queue Moves    {1:15}", queue().m_prof_sortmove());

		log().verbose("Total loop     {1:15}", m_stat_mainloop());
		/* Only one serialization should be counted in total time */
		/* But two are contained in m_stat_mainloop */
		log().verbose("Total devices  {1:15}", total_time);
		log().verbose("");
		log().verbose("Take the next lines with a grain of salt. They depend on the measurement implementation.");
		log().verbose("Total overhead {1:15}", total_overhead);
		nperftime_t::type overhead_per_pop = (m_stat_mainloop()-2*total_overhead - (total_time - total_overhead))
				/ static_cast<nperftime_t::type>(queue().m_prof_call());
		log().verbose("Overhead per pop  {1:11}", overhead_per_pop );
		log().verbose("");
		for (auto &entry : m_devices)
		{
			if (entry->m_stat_inc_active() > 3 * entry->m_stat_total_time.count())
				log().verbose("HINT({}, NO_DEACTIVATE)", entry->name());
		}
	}
}
Exemplo n.º 2
0
void netlist_t::print_stats() const
{
	if (nperftime_t<NL_KEEP_STATISTICS>::enabled)
	{
		std::vector<size_t> index;
		for (size_t i=0; i < m_state->m_devices.size(); i++)
			index.push_back(i);

		std::sort(index.begin(), index.end(),
				[&](size_t i1, size_t i2) { return m_state->m_devices[i1].second->m_stat_total_time.total() < m_state->m_devices[i2].second->m_stat_total_time.total(); });

		nperftime_t<NL_KEEP_STATISTICS>::type total_time(0);
		nperftime_t<NL_KEEP_STATISTICS>::ctype total_count(0);

		for (auto & j : index)
		{
			auto entry = m_state->m_devices[j].second.get();
			log().verbose("Device {1:20} : {2:12} {3:12} {4:15} {5:12}", entry->name(),
					entry->m_stat_call_count(), entry->m_stat_total_time.count(),
					entry->m_stat_total_time.total(), entry->m_stat_inc_active());
			total_time += entry->m_stat_total_time.total();
			total_count += entry->m_stat_total_time.count();
		}

		log().verbose("Total calls : {1:12} {2:12} {3:12}", total_count,
			total_time, total_time / static_cast<decltype(total_time)>(total_count));

		nperftime_t<NL_KEEP_STATISTICS> overhead;
		nperftime_t<NL_KEEP_STATISTICS> test;
		{
			auto overhead_guard(overhead.guard());
			for (int j=0; j<100000;j++)
			{
				auto test_guard(test.guard());
			}
		}

		nperftime_t<NL_KEEP_STATISTICS>::type total_overhead = overhead()
				* static_cast<nperftime_t<NL_KEEP_STATISTICS>::type>(total_count)
				/ static_cast<nperftime_t<NL_KEEP_STATISTICS>::type>(200000);

		log().verbose("Queue Pushes   {1:15}", m_queue.m_prof_call());
		log().verbose("Queue Moves    {1:15}", m_queue.m_prof_sortmove());
		log().verbose("Queue Removes  {1:15}", m_queue.m_prof_remove());
		log().verbose("Queue Retimes  {1:15}", m_queue.m_prof_retime());

		log().verbose("Total loop     {1:15}", m_stat_mainloop());
		/* Only one serialization should be counted in total time */
		/* But two are contained in m_stat_mainloop */
		log().verbose("Total devices  {1:15}", total_time);
		log().verbose("");
		log().verbose("Take the next lines with a grain of salt. They depend on the measurement implementation.");
		log().verbose("Total overhead {1:15}", total_overhead);
		nperftime_t<NL_KEEP_STATISTICS>::type overhead_per_pop = (m_stat_mainloop()-2*total_overhead - (total_time - total_overhead))
				/ static_cast<nperftime_t<NL_KEEP_STATISTICS>::type>(m_queue.m_prof_call());
		log().verbose("Overhead per pop  {1:11}", overhead_per_pop );
		log().verbose("");

		auto trigger = total_count * 200 / 1000000; // 200 ppm
		for (auto &entry : m_state->m_devices)
		{
			auto ep = entry.second.get();
			// Factor of 3 offers best performace increase
			if (ep->m_stat_inc_active() > 3 * ep->m_stat_total_time.count()
				&& ep->m_stat_inc_active() > trigger)
				log().verbose("HINT({}, NO_DEACTIVATE) // {} {} {}", ep->name(),
					static_cast<double>(ep->m_stat_inc_active()) / static_cast<double>(ep->m_stat_total_time.count()),
					ep->m_stat_inc_active(), ep->m_stat_total_time.count());
		}
	}
}