1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: AllocVectorTest.cc,v 1.2 2006/06/29 19:04:45 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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29 | // |
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30 | // |
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31 | // ---------------------------------------------------------------------- |
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32 | #include "G4Timer.hh" |
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33 | #include "G4Allocator.hh" |
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34 | #include "globals.hh" |
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35 | #include "G4ios.hh" |
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36 | #include <vector> |
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37 | |
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38 | int main() |
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39 | { |
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40 | G4Timer timer; |
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41 | G4double d = 1.; |
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42 | const size_t maxiter = 10000000; |
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43 | const size_t modulo = 2000000; |
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44 | |
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45 | G4cout << "+++++ G4Allocator test ..........." << G4endl; |
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46 | timer.Start(); |
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47 | |
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48 | std::vector< double, G4Allocator<double> > tvec1; |
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49 | std::vector< double, G4Allocator<double> > tvec2(maxiter); |
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50 | for (size_t i=0; i<maxiter; i++) |
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51 | { |
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52 | tvec1.push_back(d); |
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53 | tvec2.push_back(d); |
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54 | if (i%modulo == 0) |
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55 | { |
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56 | G4cout << "Dynamic vector - size: " << tvec1.size() << G4endl |
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57 | << " ...and capacity: " << tvec1.capacity() << G4endl; |
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58 | G4cout << "Fixed vector - size: " << tvec2.size() << G4endl |
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59 | << " ...and capacity: " << tvec2.capacity() << G4endl; |
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60 | } |
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61 | } |
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62 | |
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63 | timer.Stop(); |
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64 | |
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65 | G4cout << "System time: " << timer.GetSystemElapsed() << G4endl |
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66 | << "User time : " << timer.GetUserElapsed() << G4endl; |
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67 | |
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68 | G4cout << "+++++ std::allocator test ..........." << G4endl; |
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69 | timer.Start(); |
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70 | |
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71 | std::vector< double > tvec3; |
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72 | std::vector< double > tvec4(maxiter); |
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73 | for (size_t j=0; j<maxiter; j++) |
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74 | { |
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75 | tvec3.push_back(d); |
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76 | tvec4.push_back(d); |
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77 | if (j%modulo == 0) |
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78 | { |
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79 | G4cout << "Dynamic vector - size: " << tvec3.size() << G4endl |
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80 | << " ...and capacity: " << tvec3.capacity() << G4endl; |
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81 | G4cout << "Fixed vector - size: " << tvec4.size() << G4endl |
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82 | << " ...and capacity: " << tvec4.capacity() << G4endl; |
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83 | } |
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84 | } |
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85 | |
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86 | timer.Stop(); |
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87 | |
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88 | G4cout << "System time: " << timer.GetSystemElapsed() << G4endl |
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89 | << "User time : " << timer.GetUserElapsed() << G4endl; |
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90 | |
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91 | return 0; |
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92 | } |
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