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1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32test\bench\t_t64bm.cpp |
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15 // |
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16 // |
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17 |
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18 #include <e32std.h> |
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19 #include <e32std_private.h> |
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20 #include <e32base.h> |
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21 #include <e32base_private.h> |
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22 #include <e32test.h> |
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23 |
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24 const TInt KHeapSize=0x2000; |
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25 const TInt KAverageOverInSeconds=10; |
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26 const TInt KNumberOfCalculationsPerLoop=100; |
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27 |
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28 volatile TInt64 count; |
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29 volatile TInt64 a; |
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30 volatile TInt64 b; |
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31 volatile TInt64 c; |
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32 volatile TInt64 barrier; |
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33 |
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34 RTest test(_L("T_T64BM")); |
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35 |
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36 GLREF_C TInt TInt64Addition(TAny*); |
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37 GLREF_C TInt TInt64Subtraction(TAny*); |
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38 GLREF_C TInt TInt64Multiplication(TAny*); |
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39 GLREF_C TInt TInt64Division(TAny*); |
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40 |
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41 TInt64 runTest(TThreadFunction aFunction,const TDesC& aTitle) |
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42 { |
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43 |
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44 RThread thread; |
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45 TInt r=thread.Create(aTitle,aFunction,KDefaultStackSize,KHeapSize,KHeapSize,NULL); |
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46 if(r!=KErrNone) |
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47 { |
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48 test.Printf(_L("Failed to create thread with error %d\n"),r); |
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49 return(r); |
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50 } |
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51 thread.Resume(); |
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52 User::After(1000000); |
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53 count=0; |
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54 User::After(KAverageOverInSeconds*1000000); |
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55 TInt64 result=count; |
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56 |
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57 barrier = a; |
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58 if (!barrier) |
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59 barrier = c; |
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60 barrier = b; |
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61 if (!barrier) |
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62 barrier = a; |
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63 barrier = c; |
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64 if (!barrier) |
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65 barrier = b; |
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66 |
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67 thread.Kill(0); |
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68 thread.Close(); |
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69 result*=KNumberOfCalculationsPerLoop; |
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70 result/=KAverageOverInSeconds; |
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71 r=I64INT(result); |
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72 test.Printf(_L("%S executed %d in 1 second\n"),&aTitle,r); |
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73 return(result); |
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74 } |
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75 |
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76 TInt E32Main() |
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77 // |
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78 // Benchmark for TInt64 functions |
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79 // |
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80 { |
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81 |
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82 test.Title(); |
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83 test.Start(_L("Benchmarks for TInt64")); |
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84 |
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85 runTest(TInt64Addition,_L("Addition")); |
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86 runTest(TInt64Subtraction,_L("Subtraction")); |
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87 runTest(TInt64Multiplication,_L("Multiplication")); |
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88 runTest(TInt64Division,_L("Division")); |
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89 |
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90 test.End(); |
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91 return(KErrNone); |
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92 } |
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93 |