diff -r 000000000000 -r 96e5fb8b040d kerneltest/e32test/bench/t_t64bm.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/kerneltest/e32test/bench/t_t64bm.cpp Thu Dec 17 09:24:54 2009 +0200 @@ -0,0 +1,93 @@ +// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of the License "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// e32test\bench\t_t64bm.cpp +// +// + +#include +#include +#include +#include +#include + +const TInt KHeapSize=0x2000; +const TInt KAverageOverInSeconds=10; +const TInt KNumberOfCalculationsPerLoop=100; + +volatile TInt64 count; +volatile TInt64 a; +volatile TInt64 b; +volatile TInt64 c; +volatile TInt64 barrier; + +RTest test(_L("T_T64BM")); + +GLREF_C TInt TInt64Addition(TAny*); +GLREF_C TInt TInt64Subtraction(TAny*); +GLREF_C TInt TInt64Multiplication(TAny*); +GLREF_C TInt TInt64Division(TAny*); + +TInt64 runTest(TThreadFunction aFunction,const TDesC& aTitle) + { + + RThread thread; + TInt r=thread.Create(aTitle,aFunction,KDefaultStackSize,KHeapSize,KHeapSize,NULL); + if(r!=KErrNone) + { + test.Printf(_L("Failed to create thread with error %d\n"),r); + return(r); + } + thread.Resume(); + User::After(1000000); + count=0; + User::After(KAverageOverInSeconds*1000000); + TInt64 result=count; + + barrier = a; + if (!barrier) + barrier = c; + barrier = b; + if (!barrier) + barrier = a; + barrier = c; + if (!barrier) + barrier = b; + + thread.Kill(0); + thread.Close(); + result*=KNumberOfCalculationsPerLoop; + result/=KAverageOverInSeconds; + r=I64INT(result); + test.Printf(_L("%S executed %d in 1 second\n"),&aTitle,r); + return(result); + } + +TInt E32Main() +// +// Benchmark for TInt64 functions +// + { + + test.Title(); + test.Start(_L("Benchmarks for TInt64")); + + runTest(TInt64Addition,_L("Addition")); + runTest(TInt64Subtraction,_L("Subtraction")); + runTest(TInt64Multiplication,_L("Multiplication")); + runTest(TInt64Division,_L("Division")); + + test.End(); + return(KErrNone); + } +