--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/f32test/bench/t_whet.cpp Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,453 @@
+// 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:
+// f32test\bench\t_whet.cpp
+// Whetstone Benchmarks
+//
+//
+
+
+#include <e32math.h>
+#include <e32std.h>
+#include <e32std_private.h>
+#include <f32file.h>
+#include <e32svr.h>
+#include <e32test.h>
+#include <hal.h>
+#include "../server/t_server.h"
+
+const TInt KSections=9;
+
+LOCAL_D TReal64 loop_time[KSections];
+LOCAL_D TReal64 loop_mops[KSections];
+LOCAL_D TReal64 loop_mflops[KSections];
+LOCAL_D TReal64 TimeUsed;
+LOCAL_D TReal64 mwips;
+LOCAL_D TBufC<50> headings[KSections];
+LOCAL_D TReal64 Check;
+LOCAL_D TReal64 results[KSections];
+
+LOCAL_D TBuf<0x100> buf;
+LOCAL_D TBuf8<0x100> buf8;
+LOCAL_D const TFileName pathName = _L("C:\\E32-MATH\\");
+#ifdef T_WHET_WITH_VFP
+LOCAL_D const TFileName fileName = _L("WHETVFP.RES");
+#else
+LOCAL_D const TFileName fileName = _L("WHET.RES");
+#endif
+LOCAL_D RFile outfile;
+
+#ifdef T_WHET_WITH_VFP
+GLDEF_D RTest test(_L("TReal64 C/C++ Whetstone Benchmark with VFP"));
+#else
+GLDEF_D RTest test(_L("TReal64 C/C++ Whetstone Benchmark"));
+#endif
+
+LOCAL_C void appendString(const TDesC& aString)
+ {
+
+ buf=_L("");
+ buf.AppendFormat(_L("%S\n"),&aString);
+ buf8.Copy(buf); // Unicode
+ outfile.Write(buf8);
+ }
+
+LOCAL_C void pa(TReal64* e,TReal64 t,TReal64 t2)
+ {
+
+ TInt j;
+ for (j=0;j<6;j++)
+ {
+ e[0]=(e[0]+e[1]+e[2]-e[3])*t;
+ e[1]=(e[0]+e[1]-e[2]+e[3])*t;
+ e[2]=(e[0]-e[1]+e[2]+e[3])*t;
+ e[3]=(-e[0]+e[1]+e[2]+e[3])/t2;
+ }
+ }
+
+LOCAL_C void po(TReal64* e1,TInt j,TInt k,TInt l)
+ {
+
+ e1[j]=e1[k];
+ e1[k]=e1[l];
+ e1[l]=e1[j];
+ }
+
+LOCAL_C void p3(TReal64 *x,TReal64 *y,TReal64 *z,TReal64 t,TReal64 t1,TReal64 t2)
+ {
+
+ *x=*y;
+ *y=*z;
+ *x=t*(*x+*y);
+ *y=t1*(*x+*y);
+ *z=(*x+*y)/t2;
+ }
+
+LOCAL_C void pout(const TDesC& aTitle,TReal64 aOps,TInt aType,TReal64 aChecknum,TReal64 aTime,
+ TInt aCalibrate,TInt aSection)
+ {
+
+ TReal64 mops,mflops;
+
+ Check+=aChecknum;
+ loop_time[aSection]=aTime;
+ headings[aSection]=aTitle;
+ TimeUsed+=aTime;
+
+ if (aCalibrate==1)
+ results[aSection]=aChecknum;
+
+ if (aCalibrate==0)
+ {
+ test.Printf(_L("%- 20S%- 18g"),&headings[aSection],results[aSection]);
+
+ if (aType==1)
+ {
+ if (aTime>0)
+ mflops=aOps/(1E+6*aTime);
+ else
+ mflops=0.0;
+
+ loop_mops[aSection]=99999.0;
+ loop_mflops[aSection]=mflops;
+ test.Printf(_L("%- 34g%- 7g\n"),loop_mflops[aSection],loop_time[aSection]);
+ }
+ else
+ {
+ if (aTime>0)
+ mops=aOps/(1E+6*aTime);
+ else
+ mops=0.0;
+
+ loop_mops[aSection]=mops;
+ loop_mflops[aSection]=0.0;
+ test.Printf(_L(" %- 17g%- 7g\n"),loop_mops[aSection],loop_time[aSection]);
+ }
+ }
+ }
+
+LOCAL_C void whetstones(TInt xtra,TInt x100,TInt calibrate)
+ {
+
+ TTime timea,timeb;
+ TReal64 t=0.49999975;
+ const TReal64 t0=t;
+
+ TReal64 t1=0.50000025;
+ TReal64 t2=2.0;
+
+ Check=0.0;
+
+ TInt n1,n2,n3,n4,n5,n6,n7,n8,n1mult;
+ n1 = 12*x100;
+ n2 = 14*x100;
+ n3 = 345*x100;
+ n4 = 210*x100;
+ n5 = 32*x100;
+ n6 = 899*x100;
+ n7 = 616*x100;
+ n8 = 93*x100;
+ n1mult = 10;
+
+ // Section 1, Array elements
+ TReal64 e1[] =
+ {1.0,-1.0,-1.0,-1.0};
+ TInt i,ix;
+
+ timea.HomeTime();
+ for (ix=0; ix<xtra; ix++)
+ {
+ for(i=0; i<n1*n1mult; i++)
+ {
+ e1[0]=(e1[0]+e1[1]+e1[2]-e1[3])*t;
+ e1[1]=(e1[0]+e1[1]-e1[2]+e1[3])*t;
+ e1[2]=(e1[0]-e1[1]+e1[2]+e1[3])*t;
+ e1[3]=(-e1[0]+e1[1]+e1[2]+e1[3])*t;
+ }
+ t=1.0-t;
+ }
+ t=t0;
+ timeb.HomeTime();
+ TReal64 time=I64REAL(timeb.Int64()-timea.Int64())/(TReal64(n1mult)*1E+6);
+
+ pout(_L("N1 floating point "),TReal64(n1*16)*TReal64(xtra),1,e1[3],time,calibrate,1);
+
+ // Section 2, Array as parameter
+
+ timea.HomeTime();
+ for (ix=0; ix<xtra; ix++)
+ {
+ for(i=0; i<n2; i++)
+ pa(e1,t,t2);
+ t=1.0-t;
+ }
+ t= t0;
+ timeb.HomeTime();
+ time=I64REAL(timeb.Int64()-timea.Int64())/1E+6;
+
+ pout(_L("N2 floating point "),TReal64(n2*96)*TReal64(xtra),1,e1[3],time,calibrate,2);
+
+ // Section 3, Conditional jumps
+ TInt j=1;
+
+ timea.HomeTime();
+ for (ix=0; ix<xtra; ix++)
+ {
+ for(i=0; i<n3; i++)
+ {
+ if(j==1)
+ j = 2;
+ else
+ j = 3;
+ if(j>2)
+ j = 0;
+ else
+ j = 1;
+ if(j<1)
+ j = 1;
+ else
+ j = 0;
+ }
+ }
+ timeb.HomeTime();
+ time=I64REAL(timeb.Int64()-timea.Int64())/1E+6;
+
+ pout(_L("N3 if then else "),TReal64(n3*3)*TReal64(xtra),2,TReal64(j),time,calibrate,3);
+
+ // Section 4, Integer arithmetic
+ j=1;
+ TInt k=2;
+ TInt l=3;
+
+ timea.HomeTime();
+ for (ix=0; ix<xtra; ix++)
+ {
+ for(i=0; i<n4; i++)
+ {
+ j=j*(k-j)*(l-k);
+ k=l*k-(l-j)*k;
+ l=(l-k)*(k+j);
+ e1[l-2]=j+k+l;
+ e1[k-2]=j*k*l;
+ }
+ }
+ timeb.HomeTime();
+ time=I64REAL(timeb.Int64()-timea.Int64())/1E+6;
+
+ TReal64 x=e1[0]+e1[1];
+
+ pout(_L("N4 fixed point "),TReal64(n4*15)*TReal64(xtra),2,x,time,calibrate,4);
+
+ // Section 5, Trig functions
+ x=0.5;
+ TReal64 y=0.5;
+ TReal64 trg1,trg2,trg3,trg4;
+
+ timea.HomeTime();
+ for (ix=0; ix<xtra; ix++)
+ {
+ for(i=1; i<n5; i++)
+ {
+ Math::Sin(trg1,x);
+ Math::Cos(trg2,x);
+ Math::Cos(trg3,x+y);
+ Math::Cos(trg4,x-y);
+ Math::ATan(x,(t2*trg1*trg2)/(trg3+trg4-1.0));
+ x*=t;
+ Math::Sin(trg1,y);
+ Math::Cos(trg2,y);
+ Math::Cos(trg3,x+y);
+ Math::Cos(trg4,x-y);
+ Math::ATan(y,(t2*trg1*trg2)/(trg3+trg4-1.0));
+ y*=t;
+ }
+ t=1.0-t;
+ }
+ t=t0;
+ timeb.HomeTime();
+ time=I64REAL(timeb.Int64()-timea.Int64())/1E+6;
+
+ pout(_L("N5 sin,cos etc. "),TReal64(n5*26)*TReal64(xtra),2,y,time,calibrate,5);
+
+ // Section 6, Procedure calls
+ x=1.0;
+ y=1.0;
+ TReal64 z=1.0;
+
+ timea.HomeTime();
+ for (ix=0; ix<xtra; ix++)
+ {
+ for(i=0; i<n6; i++)
+ p3(&x,&y,&z,t,t1,t2);
+ }
+ timeb.HomeTime();
+ time=I64REAL(timeb.Int64()-timea.Int64())/1E+6;
+
+ pout(_L("N6 floating point "),TReal64(n6*6)*TReal64(xtra),1,z,time,calibrate,6);
+
+ // Section 7, Array refrences
+ j = 0;
+ k = 1;
+ l = 2;
+
+ TReal64 e2[]=
+ {1.0,2.0,3.0};
+
+ timea.HomeTime();
+ for (ix=0; ix<xtra; ix++)
+ {
+ for(i=0;i<n7;i++)
+ po(&e2[0],j,k,l);
+ }
+ timeb.HomeTime();
+ time=I64REAL(timeb.Int64()-timea.Int64())/1E+6;
+
+ pout(_L("N7 assignments "),TReal64(n7*3)*TReal64(xtra),2,e2[2],time,calibrate,7);
+
+ // Section 8, Standard functions
+ x=0.75;
+
+ timea.HomeTime();
+ for (ix=0; ix<xtra; ix++)
+ {
+ for(i=0; i<n8; i++)
+ {
+ Math::Log(trg1,x);
+ Math::Exp(trg1,trg1/t1);
+ Math::Sqrt(x,trg1);
+ }
+ }
+ timeb.HomeTime();
+ time=I64REAL(timeb.Int64()-timea.Int64())/1E+6;
+
+
+ pout(_L("N8 exp,sqrt etc. "),TReal64(n8*4)*TReal64(xtra),2,x,time,calibrate,8);
+ }
+
+GLDEF_C void CallTestsL(void)
+ {
+
+ TInt calibrate=1;
+ TInt xtra=1;
+ TInt section;
+ TInt x100=100;
+ TInt duration=100;
+
+ test.Title();
+
+#ifdef T_WHET_WITH_VFP
+ TInt supportedModes;
+ if (HAL::Get(HALData::EHardwareFloatingPoint, supportedModes) != KErrNone)
+ {
+ test.Printf(_L("No VFP hardware, skipping test\n"));
+ return;
+ }
+#endif
+
+ // connect and make directory for write file
+ test.Start(_L("Making directory..."));
+ TInt r=TheFs.MkDirAll(pathName);
+ test(r==KErrNone || r==KErrAlreadyExists);
+ test(TheFs.SetSessionPath(pathName)==KErrNone);
+ test(outfile.Replace(TheFs,fileName,EFileWrite)==KErrNone);
+
+ // calibrate
+ test.Next(_L("Calibrating...\n"));
+ TInt count=10;
+
+ while (count>0)
+ {
+ TimeUsed=0;
+ whetstones(xtra,x100,calibrate);
+
+ test.Printf(_L("%g Seconds %d Passes (x 100)\n"),TimeUsed,xtra);
+ calibrate++;
+ count--;
+
+ if (TimeUsed>2)
+ count=0;
+ else
+ xtra*=5;
+ }
+
+ if (TimeUsed>0)
+ {
+ TRealX TimeX(TimeUsed);
+ TInt TimeInt=TInt(TimeX);
+ xtra*=duration/TimeInt;
+ }
+ if (xtra<1)
+ xtra=1;
+
+ calibrate=0;
+
+ test.Printf(_L("\nUse %d passes (x 100)\n"),xtra);
+
+ test.Printf(_L("\nTReal64 C/C++ Whetstone Benchmark\n"));
+ test.Printf(_L("\nLoop content Result MFLOPS MOPS Seconds\n\n"));
+
+ TimeUsed=0;
+ whetstones(xtra,x100,calibrate);
+
+ test.Printf(_L("\nMWIPS "));
+ if (TimeUsed>0)
+ mwips=(TReal64)(xtra*x100)/(10.0*TimeUsed);
+ else
+ mwips=0;
+
+ test.Printf(_L("%- 17g %- 7g\n\n"),mwips,TimeUsed);
+
+ if (Check==TReal64(0.0))
+ test.Printf(_L("Wrong answer "));
+
+ // Add results to output file whets.res
+ appendString(_L("Whetstone TReal64 Benchmark in C/C++\n"));
+ appendString(_L("\n\n"));
+ appendString(_L("Loop content Result MFLOPS MOPS Seconds\n\n"));
+
+ for (section=1; section<KSections; section++)
+ {
+ buf=_L("");
+ buf.AppendFormat(_L("%- 20S%- 20g"),&headings[section],results[section]);
+ buf8.Copy(buf); // Unicode
+ outfile.Write(buf8);
+
+ if (loop_mops[section]==99999.0f)
+ {
+ buf=_L("");
+ buf.AppendFormat(_L("%- 39g%- 8g\n"),loop_mflops[section],loop_time[section]);
+ buf8.Copy(buf); // Unicode
+ outfile.Write(buf8);
+ }
+ else
+ {
+ buf=_L("");
+ buf.AppendFormat(_L(" %- 21g%- 8g\n"),loop_mops[section],loop_time[section]);
+ buf8.Copy(buf); // Unicode
+ outfile.Write(buf8);
+ }
+ }
+
+ buf=_L("");
+ buf.AppendFormat(_L("\nMWIPS %- 18g %- 8g\n\n"),mwips,TimeUsed);
+ buf8.Copy(buf); // Unicode
+ outfile.Write(buf8);
+
+ outfile.Close();
+ test.Printf(_L("\nResults are in file whets.res"));
+
+ test.End();
+ return;
+ }
+
+