--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utils/bench-simulator.cc	Tue Aug 29 17:47:17 2006 +0200
@@ -0,0 +1,148 @@
+/* -*-	Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
+/*
+ * Copyright (c) 2006 INRIA
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
+ */
+
+#include "yans/simulator.h"
+#include "yans/event.h"
+#include "yans/event.tcc"
+#include "yans/wall-clock-ms.h"
+#include <iostream>
+#include <fstream>
+#include <vector>
+
+using namespace yans;
+
+
+bool g_debug = false;
+
+class Bench {
+public:
+	void read_distribution (std::istream &istream);
+	void set_total (uint32_t total);
+	void bench (void);
+private:
+	void cb (void);
+	std::vector<uint64_t> m_distribution;
+	std::vector<uint64_t>::const_iterator m_current;
+	uint32_t m_n;
+	uint32_t m_total;
+};
+
+void 
+Bench::set_total (uint32_t total)
+{
+	m_total = total;
+}
+
+void
+Bench::read_distribution (std::istream &input)
+{
+	double data;
+	while (!input.eof ()) {
+		if (input >> data) {
+			uint64_t us = (uint64_t) (data * 1000000);
+			m_distribution.push_back (us);
+		} else {
+			input.clear ();
+			std::string line;
+			input >> line;
+		}
+	}
+}
+
+void
+Bench::bench (void) 
+{
+	WallClockMs time;
+	double init, simu;
+	time.start ();
+	for (std::vector<uint64_t>::const_iterator i = m_distribution.begin ();
+	     i != m_distribution.end (); i++) {
+		Simulator::schedule_rel_us (*i, make_event (&Bench::cb, this));
+	}
+	init = time.end ();
+
+	m_current = m_distribution.begin ();
+
+	time.start ();
+	Simulator::run ();
+	simu = time.end ();
+
+	std::cout <<
+		"init n=" << m_distribution.size () << ", time=" << init << "s" << std::endl <<
+		"simu n=" << m_n << ", time=" <<simu << "s" << std::endl <<
+		"init " << ((double)m_distribution.size ()) / init << " insert/s, avg insert=" <<
+		init / ((double)m_distribution.size ())<< "s" << std::endl <<
+		"simu " << ((double)m_n) / simu<< " hold/s, avg hold=" << 
+		simu / ((double)m_n) << "s" << std::endl
+		;
+}
+
+void
+Bench::cb (void)
+{
+	if (m_n > m_total) {
+		return;
+	}
+	if (m_current == m_distribution.end ()) {
+		m_current = m_distribution.begin ();
+	}
+	if (g_debug) {
+		std::cerr << "event at " << Simulator::now_s () << std::endl;
+	}
+	Simulator::schedule_rel_us (*m_current, make_event (&Bench::cb, this));
+	m_current++;
+	m_n++;
+}
+
+int main (int argc, char *argv[])
+{
+	char const *filename = argv[1];
+	std::istream *input;
+	argc-=2;
+	argv+= 2;
+	if (strcmp (filename, "-") == 0) {
+		input = &std::cin;
+	} else {
+		input = new std::ifstream (filename);
+	}
+	while (argc > 0) {
+		if (strcmp ("--list", argv[0]) == 0) {
+			Simulator::set_linked_list ();
+		} else if (strcmp ("--heap", argv[0]) == 0) {
+			Simulator::set_binary_heap ();
+		} else if (strcmp ("--map", argv[0]) == 0) {
+			Simulator::set_std_map ();
+		} else if (strcmp ("--debug", argv[0]) == 0) {
+			g_debug = true;
+		} else if (strncmp ("--log=", argv[0],strlen ("--log=")) == 0) {
+			char const *filename = argv[0] + strlen ("--log=");
+			Simulator::enable_log_to (filename);
+		}
+		argc--;
+		argv++;
+	}
+	Bench *bench = new Bench ();
+	bench->read_distribution (*input);
+	bench->set_total (20000);
+	bench->bench ();
+
+	return 0;
+}