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cumshot/dhry_1.c

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/*
* Compile Linux Intel
* cc dhry_1.c dhry_2.c cpuidc.c -lm -lrt -O3 -o dhrystoneIL
*
* Cross Compile on Linux Intel for ARM
* ~/toolchain/raspbian-toolchain-gcc-4.7.2-linux32/bin/arm-linux-gnueabihf-gcc dhry_1.c dhry_2.c cpuidc.c -lm -lrt -O3 -march=armv6 -o dhrystonePiA6
*
* Compile on Raspberry Pi
* gcc dhry_1.c dhry_2.c cpuidc.c -lm -lrt -O3 -march=armv6 -o dhrystonePiA6
* #define options "Opt 3 32 Bit"
* gcc dhry_1.c dhry_2.c cpuidc.c -lm -lrt -O3 -mcpu=cortex-a7 -o dhrystonePiA7
* #define options "A7 32 Bit"
*************************************************************************
*
* "DHRYSTONE" Benchmark Program
* -----------------------------
*
* Version: C, Version 2.1
*
* File: dhry_1.c (part 2 of 3)
*
* Date: May 25, 1988
*
* Author: Reinhold P. Weicker
*
*************************************************************************
*
* #define options not used
*/
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include "dhry.h"
#ifdef __HSHOT__
#include "cpuidh.head"
#else
#include "cpuidh.h"
#endif
#ifdef CNNT
# define options "Non-optimised"
# define opt "0"
#else
# ifndef options
# define options "Optimised"
# endif
# define opt ""
#endif
/* Global Variables: */
Rec_Pointer Ptr_Glob,
Next_Ptr_Glob;
int Int_Glob;
Boolean Bool_Glob;
char Ch_1_Glob,
Ch_2_Glob;
int Arr_1_Glob[50];
int Arr_2_Glob[50][50];
#ifdef __HSHOT__
string Reg_Define = "Register option Selected.";
#else
char Reg_Define[40] = "Register option Selected.";
#endif
Enumeration Func_1(Capital_Letter Ch_1_Par_Val,
Capital_Letter Ch_2_Par_Val);
/*
forward declaration necessary since Enumeration may not simply be int
*/
#ifndef ROPT
#define REG
/* REG becomes defined as empty */
/* i.e. no register variables */
#else
#define REG register
#endif
void Proc_1(REG Rec_Pointer Ptr_Val_Par);
void Proc_2(One_Fifty *Int_Par_Ref);
void Proc_3(Rec_Pointer *Ptr_Ref_Par);
void Proc_4();
void Proc_5();
void Proc_6(Enumeration Enum_Val_Par, Enumeration *Enum_Ref_Par);
void Proc_7(One_Fifty Int_1_Par_Val, One_Fifty Int_2_Par_Val,
One_Fifty *Int_Par_Ref);
void Proc_8(Arr_1_Dim Arr_1_Par_Ref, Arr_2_Dim Arr_2_Par_Ref,
int Int_1_Par_Val, int Int_2_Par_Val);
Boolean Func_2(Str_30 Str_1_Par_Ref, Str_30 Str_2_Par_Ref);
/* variables for time measurement: */
#define Too_Small_Time 2
/* Measurements should last at least 2 seconds */
double User_Time;
double Microseconds,
Dhrystones_Per_Second,
Vax_Mips;
/* end of variables for time measurement */
#ifdef __HSHOT__
void main( void )
#else
int main(int argc, char *argv[])
#endif
/*****/
/* main program, corresponds to procedures */
/* Main and Proc_0 in the Ada version */
{
One_Fifty Int_1_Loc;
REG One_Fifty Int_2_Loc;
One_Fifty Int_3_Loc;
REG char Ch_Index;
Enumeration Enum_Loc;
Str_30 Str_1_Loc;
Str_30 Str_2_Loc;
REG int Run_Index;
REG int Number_Of_Runs;
int endit, count = 10;
int errors = 0;
int i;
int nopause = 1;
/***********************************************************************
* Change for compiler and optimisation used *
***********************************************************************/
Next_Ptr_Glob = (Rec_Pointer) malloc(sizeof(Rec_Type));
Ptr_Glob = (Rec_Pointer) malloc(sizeof(Rec_Type));
Ptr_Glob->Ptr_Comp = Next_Ptr_Glob;
Ptr_Glob->Discr = Ident_1;
Ptr_Glob->variant.var_1.Enum_Comp = Ident_3;
Ptr_Glob->variant.var_1.Int_Comp = 40;
strcpy(Ptr_Glob->variant.var_1.Str_Comp,
"DHRYSTONE PROGRAM, SOME STRING");
strcpy(Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING");
Arr_2_Glob[8][7] = 10;
/* Was missing in published program. Without this statement, */
/* Arr_2_Glob [8][7] would have an undefined value. */
/* Warning: With 16-Bit processors and Number_Of_Runs > 32000, */
/* overflow may occur for this array element. */
#ifdef __HSHOT__
printf("Dhrystone Benchmark, Version 2.1 (Language: HeadShot)\n");
#else
printf("Dhrystone Benchmark, Version 2.1 (Language: C or C++)\n");
#endif
printf("\n");
printf("Optimisation %s\n", options);
#ifdef ROPT
printf ("Register option selected\n\n");
#else
printf("Register option not selected\n\n");
strcpy(Reg_Define, "Register option Not selected.");
#endif
Number_Of_Runs = 5000;
do {
Number_Of_Runs = Number_Of_Runs * 2;
count = count - 1;
Arr_2_Glob[8][7] = 10;
/***************/
/* Start timer */
/***************/
start_time();
for (Run_Index = 1; Run_Index <= Number_Of_Runs; ++Run_Index) {
Proc_5();
Proc_4();
/* Ch_1_Glob == 'A', Ch_2_Glob == 'B', Bool_Glob == true */
Int_1_Loc = 2;
Int_2_Loc = 3;
strcpy(Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING");
Enum_Loc = Ident_2;
Bool_Glob = !Func_2(Str_1_Loc, Str_2_Loc);
/* Bool_Glob == 1 */
while (Int_1_Loc < Int_2_Loc) /* loop body executed once */
{
Int_3_Loc = 5 * Int_1_Loc - Int_2_Loc;
/* Int_3_Loc == 7 */
Proc_7(Int_1_Loc, Int_2_Loc, &Int_3_Loc);
/* Int_3_Loc == 7 */
Int_1_Loc += 1;
} /* while */
/* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
Proc_8(Arr_1_Glob, Arr_2_Glob, Int_1_Loc, Int_3_Loc);
/* Int_Glob == 5 */
Proc_1(Ptr_Glob);
for (Ch_Index = 'A'; Ch_Index <= Ch_2_Glob; ++Ch_Index)
/* loop body executed twice */
{
if (Enum_Loc == Func_1(Ch_Index, 'C'))
/* then, not executed */
{
Proc_6(Ident_1, &Enum_Loc);
strcpy(Str_2_Loc, "DHRYSTONE PROGRAM, 3'RD STRING");
Int_2_Loc = Run_Index;
Int_Glob = Run_Index;
}
}
/* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
Int_2_Loc = Int_2_Loc * Int_1_Loc;
Int_1_Loc = Int_2_Loc / Int_3_Loc;
Int_2_Loc = 7 * (Int_2_Loc - Int_3_Loc) - Int_1_Loc;
/* Int_1_Loc == 1, Int_2_Loc == 13, Int_3_Loc == 7 */
Proc_2(&Int_1_Loc);
/* Int_1_Loc == 5 */
} /* loop "for Run_Index" */
/**************/
/* Stop timer */
/**************/
end_time();
User_Time = secs;
printf("%12.0f runs %6.2f seconds \n", (double) Number_Of_Runs, User_Time);
if (User_Time > 2) {
count = 0;
} else {
if (User_Time < 0.05) {
Number_Of_Runs = Number_Of_Runs * 5;
}
}
} /* calibrate/run do while */
while (count > 0);
printf("\n");
printf("Final values (* implementation-dependent):\n");
printf("\n");
printf("Int_Glob: ");
if (Int_Glob == 5) printf("O.K. ");
else printf("WRONG ");
printf("%d ", Int_Glob);
printf("Bool_Glob: ");
if (Bool_Glob == 1) printf("O.K. ");
else printf("WRONG ");
printf("%d\n", Bool_Glob);
printf("Ch_1_Glob: ");
if (Ch_1_Glob == 'A') printf("O.K. ");
else printf("WRONG ");
printf("%c ", Ch_1_Glob);
printf("Ch_2_Glob: ");
if (Ch_2_Glob == 'B') printf("O.K. ");
else printf("WRONG ");
printf("%c\n", Ch_2_Glob);
printf("Arr_1_Glob[8]: ");
if (Arr_1_Glob[8] == 7) printf("O.K. ");
else printf("WRONG ");
printf("%d ", Arr_1_Glob[8]);
printf("Arr_2_Glob8/7: ");
if (Arr_2_Glob[8][7] == Number_Of_Runs + 10)
printf("O.K. ");
else printf("WRONG ");
printf("%10d\n", Arr_2_Glob[8][7]);
printf("Ptr_Glob-> ");
printf(" Ptr_Comp: * %p\n", (void *) Ptr_Glob->Ptr_Comp);
printf(" Discr: ");
if (Ptr_Glob->Discr == 0) printf("O.K. ");
else printf("WRONG ");
printf("%d ", Ptr_Glob->Discr);
printf("Enum_Comp: ");
if (Ptr_Glob->variant.var_1.Enum_Comp == 2)
printf("O.K. ");
else printf("WRONG ");
printf("%d\n", Ptr_Glob->variant.var_1.Enum_Comp);
printf(" Int_Comp: ");
if (Ptr_Glob->variant.var_1.Int_Comp == 17) printf("O.K. ");
else printf("WRONG ");
printf("%d ", Ptr_Glob->variant.var_1.Int_Comp);
printf("Str_Comp: ");
if (strcmp(Ptr_Glob->variant.var_1.Str_Comp,
"DHRYSTONE PROGRAM, SOME STRING") == 0)
printf("O.K. ");
else printf("WRONG ");
printf("%s\n", Ptr_Glob->variant.var_1.Str_Comp);
printf("Next_Ptr_Glob-> ");
printf(" Ptr_Comp: * %p", (void *) Next_Ptr_Glob->Ptr_Comp);
printf(" same as above\n");
printf(" Discr: ");
if (Next_Ptr_Glob->Discr == 0)
printf("O.K. ");
else printf("WRONG ");
printf("%d ", Next_Ptr_Glob->Discr);
printf("Enum_Comp: ");
if (Next_Ptr_Glob->variant.var_1.Enum_Comp == 1)
printf("O.K. ");
else printf("WRONG ");
printf("%d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);
printf(" Int_Comp: ");
if (Next_Ptr_Glob->variant.var_1.Int_Comp == 18)
printf("O.K. ");
else printf("WRONG ");
printf("%d ", Next_Ptr_Glob->variant.var_1.Int_Comp);
printf("Str_Comp: ");
if (strcmp(Next_Ptr_Glob->variant.var_1.Str_Comp,
"DHRYSTONE PROGRAM, SOME STRING") == 0)
printf("O.K. ");
else printf("WRONG ");
printf("%s\n", Next_Ptr_Glob->variant.var_1.Str_Comp);
printf("Int_1_Loc: ");
if (Int_1_Loc == 5)
printf("O.K. ");
else printf("WRONG ");
printf("%d ", Int_1_Loc);
printf("Int_2_Loc: ");
if (Int_2_Loc == 13)
printf("O.K. ");
else printf("WRONG ");
printf("%d\n", Int_2_Loc);
printf("Int_3_Loc: ");
if (Int_3_Loc == 7)
printf("O.K. ");
else printf("WRONG ");
printf("%d ", Int_3_Loc);
printf("Enum_Loc: ");
if (Enum_Loc == 1)
printf("O.K. ");
else printf("WRONG ");
printf("%d \n", Enum_Loc);
printf("Str_1_Loc: ");
if (strcmp(Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING") == 0)
printf("O.K. ");
else printf("WRONG ");
printf("%s\n", Str_1_Loc);
printf("Str_2_Loc: ");
if (strcmp(Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING") == 0)
printf("O.K. ");
else printf("WRONG ");
printf("%s\n", Str_2_Loc);
printf("\n");
if (User_Time < Too_Small_Time) {
printf("Measured time too small to obtain meaningful results\n");
printf("Please increase number of runs\n");
printf("\n");
} else {
Microseconds = User_Time * Mic_secs_Per_Second
/ (double) Number_Of_Runs;
Dhrystones_Per_Second = (double) Number_Of_Runs / User_Time;
Vax_Mips = Dhrystones_Per_Second / 1757.0;
printf("Nanoseconds one Dhrystone run: %12.2lf\n", Microseconds * 1000);
printf("Dhrystones per Second: %12.0lf\n", Dhrystones_Per_Second);
printf("VAX MIPS rating = %12.2lf\n", Vax_Mips);
printf("\n");
local_time();
}
}
void Proc_1(REG Rec_Pointer Ptr_Val_Par)
/******************/
/* executed once */
{
REG Rec_Pointer Next_Record = Ptr_Val_Par->Ptr_Comp;
/* == Ptr_Glob_Next */
/* Local variable, initialized with Ptr_Val_Par->Ptr_Comp, */
/* corresponds to "rename" in Ada, "with" in Pascal */
structassign (*Ptr_Val_Par->Ptr_Comp, *Ptr_Glob);
Ptr_Val_Par->variant.var_1.Int_Comp = 5;
Next_Record->variant.var_1.Int_Comp
= Ptr_Val_Par->variant.var_1.Int_Comp;
Next_Record->Ptr_Comp = Ptr_Val_Par->Ptr_Comp;
Proc_3(&Next_Record->Ptr_Comp);
/* Ptr_Val_Par->Ptr_Comp->Ptr_Comp
== Ptr_Glob->Ptr_Comp */
if (Next_Record->Discr == Ident_1)
/* then, executed */
{
Next_Record->variant.var_1.Int_Comp = 6;
Proc_6(Ptr_Val_Par->variant.var_1.Enum_Comp,
&Next_Record->variant.var_1.Enum_Comp);
Next_Record->Ptr_Comp = Ptr_Glob->Ptr_Comp;
Proc_7(Next_Record->variant.var_1.Int_Comp, 10,
&Next_Record->variant.var_1.Int_Comp);
} else /* not executed */
structassign (*Ptr_Val_Par, *Ptr_Val_Par->Ptr_Comp);
} /* Proc_1 */
void Proc_2(One_Fifty *Int_Par_Ref)
/******************/
/* executed once */
/* *Int_Par_Ref == 1, becomes 4 */
{
One_Fifty Int_Loc;
Enumeration Enum_Loc;
Int_Loc = *Int_Par_Ref + 10;
do /* executed once */
if (Ch_1_Glob == 'A')
/* then, executed */
{
Int_Loc -= 1;
*Int_Par_Ref = Int_Loc - Int_Glob;
Enum_Loc = Ident_1;
} /* if */
while (Enum_Loc != Ident_1); /* true */
} /* Proc_2 */
void Proc_3(Rec_Pointer *Ptr_Ref_Par)
/******************/
/* executed once */
/* Ptr_Ref_Par becomes Ptr_Glob */
{
if (Ptr_Glob != Null)
/* then, executed */
*Ptr_Ref_Par = Ptr_Glob->Ptr_Comp;
Proc_7(10, Int_Glob, &Ptr_Glob->variant.var_1.Int_Comp);
} /* Proc_3 */
void Proc_4() /* without parameters */
/*******/
/* executed once */
{
Boolean Bool_Loc;
Bool_Loc = Ch_1_Glob == 'A';
Bool_Glob = Bool_Loc | Bool_Glob;
Ch_2_Glob = 'B';
} /* Proc_4 */
void Proc_5() /* without parameters */
/*******/
/* executed once */
{
Ch_1_Glob = 'A';
Bool_Glob = false;
} /* Proc_5 */
#ifndef __HSHOT__
/* Procedure for the assignment of structures, */
/* if the C compiler doesn't support this feature */
#ifdef NOSTRUCTASSIGN
memcpy (d, s, l)
register char *d;
register char *s;
register int l;
{
while (l--) *d++ = *s++;
}
#endif
#endif // __HSHOT__
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