| 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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