| 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: geant4-09-04-beta-cand-01 $ |
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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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