Last change
on this file since 1780:9f052750753f was
1689:f1795dafe42c,
checked in by Alpar Juttner, 19 years ago
|
- runningTimeTest(): a tool to measure running times more precisely.
- TimeStamp? now uses double to count cpu-times
- 'get's removed from the query functions of Times and TimeStamp?
|
File size:
1.1 KB
|
Rev | Line | |
---|
[906] | 1 | /* -*- C++ -*- |
---|
[1435] | 2 | * test/time_measure_test.cc - Part of LEMON, a generic C++ optimization library |
---|
[906] | 3 | * |
---|
[1164] | 4 | * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
[1359] | 5 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
[906] | 6 | * |
---|
| 7 | * Permission to use, modify and distribute this software is granted |
---|
| 8 | * provided that this copyright notice appears in all copies. For |
---|
| 9 | * precise terms see the accompanying LICENSE file. |
---|
| 10 | * |
---|
| 11 | * This software is provided "AS IS" with no warranty of any kind, |
---|
| 12 | * express or implied, and with no claim as to its suitability for any |
---|
| 13 | * purpose. |
---|
| 14 | * |
---|
| 15 | */ |
---|
| 16 | |
---|
[921] | 17 | #include <lemon/time_measure.h> |
---|
[545] | 18 | |
---|
| 19 | ///\file \brief Test cases for time_measure.h |
---|
| 20 | /// |
---|
| 21 | ///\todo To be extended |
---|
| 22 | |
---|
| 23 | |
---|
[921] | 24 | using namespace lemon; |
---|
[545] | 25 | |
---|
[1689] | 26 | void f() |
---|
| 27 | { |
---|
| 28 | double d=0; |
---|
| 29 | for(int i=0;i<10000;i++) |
---|
| 30 | d+=0.1; |
---|
| 31 | } |
---|
| 32 | |
---|
[545] | 33 | int main() |
---|
| 34 | { |
---|
| 35 | Timer T; |
---|
[1689] | 36 | int n; |
---|
| 37 | for(n=0;T.realTime()<1.0;n++) ; |
---|
| 38 | std::cout << T << " (" << n << " time queries)\n"; |
---|
| 39 | T.reset(); |
---|
| 40 | while(T.realTime()<2.0) ; |
---|
[545] | 41 | std::cout << T << '\n'; |
---|
[1689] | 42 | TimeStamp full; |
---|
| 43 | TimeStamp t=runningTimeTest(f,1,&n,&full); |
---|
| 44 | std::cout << t << " (" << n << " tests)\n"; |
---|
| 45 | std::cout << "Total: " << full << "\n"; |
---|
[567] | 46 | |
---|
[566] | 47 | return 0; |
---|
[545] | 48 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.