author | Tom Henderson <tomh@tomh.org> |
Fri, 20 Aug 2010 12:17:19 -0700 | |
changeset 6589 | 9c325569fb01 |
parent 5507 | 915abd2b907b |
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/* -*- 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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* |
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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-module.h" |
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#include "ns3/core-module.h" |
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#include <iostream> |
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#include <fstream> |
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#include <vector> |
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#include <string.h> |
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using namespace ns3; |
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bool g_debug = false; |
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class Bench |
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{ |
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public: |
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Bench (); |
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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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Bench::Bench () |
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: m_n (0), |
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m_total (0) |
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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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Bench::ReadDistribution (std::istream &input) |
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double data; |
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while (!input.eof ()) |
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if (input >> data) |
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{ |
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uint64_t ns = (uint64_t) (data * 1000000000); |
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m_distribution.push_back (ns); |
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} |
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else |
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{ |
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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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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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{ |
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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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init /= 1000; |
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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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simu /= 1000; |
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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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Bench::Cb (void) |
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if (m_n > m_total) |
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{ |
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return; |
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} |
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if (m_current == m_distribution.end ()) |
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{ |
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m_current = m_distribution.begin (); |
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} |
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if (g_debug) |
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{ |
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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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|
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void |
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PrintHelp (void) |
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{ |
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std::cout << "bench-simulator filename [options]"<<std::endl; |
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std::cout << " filename: a string which identifies the input distribution. \"-\" represents stdin." << std::endl; |
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std::cout << " Options:"<<std::endl; |
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std::cout << " --list: use std::list scheduler"<<std::endl; |
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std::cout << " --map: use std::map cheduler"<<std::endl; |
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std::cout << " --heap: use Binary Heap scheduler"<<std::endl; |
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std::cout << " --debug: enable some debugging"<<std::endl; |
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} |
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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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uint32_t n = 1; |
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uint32_t total = 20000; |
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if (argc == 1) |
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{ |
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PrintHelp (); |
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return 0; |
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} |
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argc-=2; |
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argv+= 2; |
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if (strcmp (filename, "-") == 0) |
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{ |
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input = &std::cin; |
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} |
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else |
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{ |
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input = new std::ifstream (filename); |
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} |
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while (argc > 0) |
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{ |
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ObjectFactory factory; |
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if (strcmp ("--list", argv[0]) == 0) |
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{ |
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factory.SetTypeId ("ns3::ListScheduler"); |
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Simulator::SetScheduler (factory); |
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170 |
} |
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else if (strcmp ("--heap", argv[0]) == 0) |
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{ |
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factory.SetTypeId ("ns3::HeapScheduler"); |
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Simulator::SetScheduler (factory); |
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175 |
} |
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else if (strcmp ("--map", argv[0]) == 0) |
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{ |
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factory.SetTypeId ("ns3::HeapScheduler"); |
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Simulator::SetScheduler (factory); |
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180 |
} |
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else if (strcmp ("--calendar", argv[0]) == 0) |
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{ |
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factory.SetTypeId ("ns3::CalendarScheduler"); |
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Simulator::SetScheduler (factory); |
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185 |
} |
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else if (strcmp ("--debug", argv[0]) == 0) |
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|
187 |
{ |
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188 |
g_debug = true; |
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189 |
} |
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190 |
else if (strncmp ("--total=", argv[0], strlen("--total=")) == 0) |
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191 |
{ |
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total = atoi (argv[0]+strlen ("--total=")); |
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193 |
} |
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194 |
else if (strncmp ("--n=", argv[0], strlen("--n=")) == 0) |
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|
195 |
{ |
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n = atoi (argv[0]+strlen ("--n=")); |
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|
197 |
} |
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|
198 |
|
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|
199 |
argc--; |
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|
200 |
argv++; |
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|
201 |
} |
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|
202 |
Bench *bench = new Bench (); |
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|
203 |
bench->ReadDistribution (*input); |
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bench->SetTotal (total); |
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for (uint32_t i = 0; i < n; i++) |
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|
206 |
{ |
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207 |
bench->RunBench (); |
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|
208 |
} |
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|
209 |
|
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|
210 |
return 0; |
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|
211 |
} |