diff -r 000000000000 -r a41df078684a kerneltest/e32test/bench/t_r64bm.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/kerneltest/e32test/bench/t_r64bm.cpp Mon Oct 19 15:55:17 2009 +0100 @@ -0,0 +1,108 @@ +// Copyright (c) 1997-2009 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_r64bm.cpp +// +// + +#include +#include +#include +#include +#include +#include + +const TInt KHeapSize=0x2000; +const TInt KAverageOverInSeconds=10; +const TInt KNumberOfCalculationsPerLoop=10; + +volatile TUint count; +#ifdef T_R64BM_WITH_VFP +RTest test(_L("T_VFPBM")); +#else +RTest test(_L("T_R64BM")); +#endif + +GLREF_C TInt TReal64Addition(TAny*); +GLREF_C TInt TReal64Subtraction(TAny*); +GLREF_C TInt TReal64Multiplication(TAny*); +GLREF_C TInt TReal64Division(TAny*); +GLREF_C TInt TRealSqrt(TAny*); +GLREF_C TInt TRealSin(TAny*); +GLREF_C TInt TRealTan(TAny*); +GLREF_C TInt TRealLn(TAny*); +GLREF_C TInt TRealExp(TAny*); +GLREF_C TInt TRealAsin(TAny*); +GLREF_C TInt TRealAtan(TAny*); +GLREF_C TInt TRealPower(TAny*); + +TInt 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); + TUint64 result = count; + result *= TUint64(KNumberOfCalculationsPerLoop); + result /= TUint64(KAverageOverInSeconds); + TUint r32 = (TUint)result; + thread.Kill(0); + thread.Close(); + test.Printf(_L("%S executed %d in 1 second\n"),&aTitle,r32); + return r32; + } + +TInt E32Main() +// +// Benchmark for TRealX functions +// + { + + test.Title(); +#ifdef T_R64BM_WITH_VFP + TInt supportedModes; + if (HAL::Get(HALData::EHardwareFloatingPoint, supportedModes) != KErrNone) + { + test.Printf(_L("Skipping test as this hardware does not have VFP\n")); + return(KErrNone); + } + test.Start(_L("Benchmarks for TReal64 using VFP")); +#else + test.Start(_L("Benchmarks for TReal64")); +#endif + + runTest(TReal64Addition,_L("Addition")); + runTest(TReal64Subtraction,_L("Subtraction")); + runTest(TReal64Multiplication,_L("Multiplication")); + runTest(TReal64Division,_L("Division")); + runTest(TRealSqrt,_L("Square root")); + runTest(TRealSin,_L("Sine")); + runTest(TRealTan,_L("Tangent")); + runTest(TRealLn,_L("Logarithm")); + runTest(TRealExp,_L("Exponential")); + runTest(TRealAsin,_L("Arcsine")); + runTest(TRealAtan,_L("Arctan")); + runTest(TRealPower,_L("Powers")); + + test.End(); + return(KErrNone); + } +