147 lines
3.7 KiB
C++
147 lines
3.7 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2006 INRIA
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "ns3/simulator.h"
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#include "ns3/system-wall-clock-ms.h"
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#include <iostream>
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#include <fstream>
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#include <vector>
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using namespace ns3;
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bool gDebug = false;
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class Bench {
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public:
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void ReadDistribution (std::istream &istream);
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void SetTotal (uint32_t total);
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void RunBench (void);
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private:
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void Cb (void);
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std::vector<uint64_t> m_distribution;
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std::vector<uint64_t>::const_iterator m_current;
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uint32_t m_n;
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uint32_t m_total;
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};
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void
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Bench::SetTotal (uint32_t total)
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{
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m_total = total;
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}
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void
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Bench::ReadDistribution (std::istream &input)
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{
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double data;
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while (!input.eof ()) {
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if (input >> data) {
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uint64_t ns = (uint64_t) (data * 1000000000);
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m_distribution.push_back (ns);
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} else {
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input.clear ();
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std::string line;
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input >> line;
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}
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}
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}
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void
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Bench::RunBench (void)
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{
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SystemWallClockMs time;
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double init, simu;
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time.Start ();
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for (std::vector<uint64_t>::const_iterator i = m_distribution.begin ();
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i != m_distribution.end (); i++) {
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Simulator::Schedule (NanoSeconds (*i), &Bench::Cb, this);
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}
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init = time.End ();
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m_current = m_distribution.begin ();
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time.Start ();
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Simulator::Run ();
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simu = time.End ();
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std::cout <<
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"init n=" << m_distribution.size () << ", time=" << init << "s" << std::endl <<
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"simu n=" << m_n << ", time=" <<simu << "s" << std::endl <<
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"init " << ((double)m_distribution.size ()) / init << " insert/s, avg insert=" <<
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init / ((double)m_distribution.size ())<< "s" << std::endl <<
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"simu " << ((double)m_n) / simu<< " hold/s, avg hold=" <<
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simu / ((double)m_n) << "s" << std::endl
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;
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}
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void
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Bench::Cb (void)
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{
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if (m_n > m_total) {
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return;
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}
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if (m_current == m_distribution.end ()) {
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m_current = m_distribution.begin ();
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}
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if (gDebug) {
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std::cerr << "event at " << Simulator::Now ().GetSeconds () << "s" << std::endl;
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}
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Simulator::Schedule (NanoSeconds (*m_current), &Bench::Cb, this);
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m_current++;
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m_n++;
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}
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int main (int argc, char *argv[])
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{
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char const *filename = argv[1];
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std::istream *input;
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argc-=2;
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argv+= 2;
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if (strcmp (filename, "-") == 0) {
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input = &std::cin;
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} else {
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input = new std::ifstream (filename);
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}
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while (argc > 0) {
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if (strcmp ("--list", argv[0]) == 0) {
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Simulator::SetLinkedList ();
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} else if (strcmp ("--heap", argv[0]) == 0) {
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Simulator::SetBinaryHeap ();
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} else if (strcmp ("--map", argv[0]) == 0) {
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Simulator::SetStdMap ();
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} else if (strcmp ("--debug", argv[0]) == 0) {
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gDebug = true;
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} else if (strncmp ("--log=", argv[0],strlen ("--log=")) == 0) {
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char const *filename = argv[0] + strlen ("--log=");
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Simulator::EnableLogTo (filename);
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}
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argc--;
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argv++;
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}
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Bench *bench = new Bench ();
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bench->ReadDistribution (*input);
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bench->SetTotal (20000);
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bench->RunBench ();
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return 0;
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}
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