PyPDEVS-and-JADEVS-DEVStone-benchmarks/devstone/dhry/dhry_1.c

/*

 ****************************************************************************
 *
 *                   "DHRYSTONE" Benchmark Program
 *                   -----------------------------
 *                                                                            
 *  Version:    C, Version 2.1
 *                                                                            
 *  File:       dhry_1.c (part 2 of 3)
 *
 *  Date:       May 25, 1988
 *
 *  Author:     Reinhold P. Weicker
 *              converted to ANSI C by Jeremy Johnson.  1/20/00
 *
 ****************************************************************************
 */
#ifndef DHRY1_C
#define DHRY1_C


#include "dhry.h"
#include "dhry_2.c"

/* Global Variables: */
int             Int_Glob;
char            Ch_1_Glob;


class DhryStone {

    public:
        Rec_Pointer     Ptr_Glob,
                        Next_Ptr_Glob;
        Boolean         Bool_Glob;
        char            Ch_2_Glob;
        int             Arr_1_Glob [50];
        int             Arr_2_Glob [50] [50];
        long            Begin_Time,
                        End_Time,
                        User_Time;
        float           Microseconds,
                        Dhrystones_Per_Second;

        /* Added to dhry.h.  JRJ. */
        /* extern char     *malloc (); */

        /* Enumeration     Func_1 (); */
        /* forward declaration necessary since Enumeration may not simply be int */

        #ifndef REG
            Boolean Reg = false;
        #define REG
                /* REG becomes defined as empty */
                /* i.e. no register variables   */
        #else
        //        Boolean Reg = true;
        #endif

        /* variables for time measurement: */

        #ifdef TIMES
            struct tms      time_info;
        extern  int     times ();
                        /* see library function "times" */
        //#define Too_Small_Time 120
        #define Too_Small_Time 1
                        /* RTDEVS MODIFICATIONS -
                        Before : Measurements should last at least about 2 seconds
                        Now    : It can last as little as I want */
        #endif
        #ifdef TIME
            extern long     time();
                        /* see library function "time"  */

        //#define Too_Small_Time 120
        #define Too_Small_Time 1
                        /* RTDEVS MODIFICATIONS -
                        Before : Measurements should last at least about 2 seconds
                        Now    : It can last as little as I want */
        #endif

        #ifdef CLOCK
        // #define Too_Small_Time 2 * CLOCKS_PER_SEC
        #define Too_Small_Time 1
            /* RTDEVS MODIFICATIONS -
            Before : Measurements should last at least about 2 seconds
            Now    : It can last as little as I want */
        #endif


        int dhrystoneRun (int parameterNofRuns)
    /*****/

        /* main program, corresponds to procedures        */
        /* Main and Proc_0 in the Ada version             */
        {
          One_Fifty       Int_1_Loc;
          REG   One_Fifty       Int_2_Loc=0;
          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;

          /* Initializations */

          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.                   */

    /*  printf ("\n");
      printf ("Dhrystone Benchmark, Version 2.1 (Language: C)\n");
      printf ("\n");
    */
          if (true)
          {
    /*    printf ("Program compiled with 'register' attribute\n");
        printf ("\n");
    */
          }
          else
          {
    /*    printf ("Program compiled without 'register' attribute\n");
        printf ("\n");
    */
          }
    //  printf ("Please give the number of runs through the benchmark: ");
          {
            int n;
    //    scanf ("%d", &n);
    //    Number_Of_Runs = n;
            Number_Of_Runs = parameterNofRuns;
          }
    /*  printf ("\n");

      printf ("Execution starts, %d runs through Dhrystone\n", Number_Of_Runs);
    */
          /***************/
          /* Start timer */
          /***************/

    #ifdef TIMES
          times (&time_info);
      Begin_Time = (long) time_info.tms_utime;
    #endif
    #ifdef TIME
          Begin_Time = time ( (long *) 0);
    #endif

    #ifdef CLOCK
          Begin_Time = (long) clock();
    #endif

          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 */
          /**************/

    #ifdef TIMES
          times (&time_info);
      End_Time = (long) time_info.tms_utime;
    #endif
    #ifdef TIME
          End_Time = time ( (long *) 0);
    #endif

    #ifdef CLOCK
          End_Time = (long) clock();
    #endif

    /*
      printf ("Execution ends\n");
      printf ("\n");
      printf ("Final values of the variables used in the benchmark:\n");
      printf ("\n");
      printf ("Int_Glob:            %d\n", Int_Glob);
      printf ("        should be:   %d\n", 5);
      printf ("Bool_Glob:           %d\n", Bool_Glob);
      printf ("        should be:   %d\n", 1);
      printf ("Ch_1_Glob:           %c\n", Ch_1_Glob);
      printf ("        should be:   %c\n", 'A');
      printf ("Ch_2_Glob:           %c\n", Ch_2_Glob);
      printf ("        should be:   %c\n", 'B');
      printf ("Arr_1_Glob[8]:       %d\n", Arr_1_Glob[8]);
      printf ("        should be:   %d\n", 7);
      printf ("Arr_2_Glob[8][7]:    %d\n", Arr_2_Glob[8][7]);
      printf ("        should be:   Number_Of_Runs + 10\n");
      printf ("Ptr_Glob->\n");
      printf ("  Ptr_Comp:          %d\n", (int) Ptr_Glob->Ptr_Comp);
      printf ("        should be:   (implementation-dependent)\n");
      printf ("  Discr:             %d\n", Ptr_Glob->Discr);
      printf ("        should be:   %d\n", 0);
      printf ("  Enum_Comp:         %d\n", Ptr_Glob->variant.var_1.Enum_Comp);
      printf ("        should be:   %d\n", 2);
      printf ("  Int_Comp:          %d\n", Ptr_Glob->variant.var_1.Int_Comp);
      printf ("        should be:   %d\n", 17);
      printf ("  Str_Comp:          %s\n", Ptr_Glob->variant.var_1.Str_Comp);
      printf ("        should be:   DHRYSTONE PROGRAM, SOME STRING\n");
      printf ("Next_Ptr_Glob->\n");
      printf ("  Ptr_Comp:          %d\n", (int) Next_Ptr_Glob->Ptr_Comp);
      printf ("        should be:   (implementation-dependent), same as above\n");
      printf ("  Discr:             %d\n", Next_Ptr_Glob->Discr);
      printf ("        should be:   %d\n", 0);
      printf ("  Enum_Comp:         %d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);
      printf ("        should be:   %d\n", 1);
      printf ("  Int_Comp:          %d\n", Next_Ptr_Glob->variant.var_1.Int_Comp);
      printf ("        should be:   %d\n", 18);
      printf ("  Str_Comp:          %s\n",
                                    Next_Ptr_Glob->variant.var_1.Str_Comp);
      printf ("        should be:   DHRYSTONE PROGRAM, SOME STRING\n");
      printf ("Int_1_Loc:           %d\n", Int_1_Loc);
      printf ("        should be:   %d\n", 5);
      printf ("Int_2_Loc:           %d\n", Int_2_Loc);
      printf ("        should be:   %d\n", 13);
      printf ("Int_3_Loc:           %d\n", Int_3_Loc);
      printf ("        should be:   %d\n", 7);
      printf ("Enum_Loc:            %d\n", Enum_Loc);
      printf ("        should be:   %d\n", 1);
      printf ("Str_1_Loc:           %s\n", Str_1_Loc);
      printf ("        should be:   DHRYSTONE PROGRAM, 1'ST STRING\n");
      printf ("Str_2_Loc:           %s\n", Str_2_Loc);
      printf ("        should be:   DHRYSTONE PROGRAM, 2'ND STRING\n");
      printf ("\n");
    */
          User_Time = End_Time - Begin_Time;

          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
          {
    #ifdef TIME
            Microseconds = (float) User_Time * Mic_secs_Per_Second
                            / (float) Number_Of_Runs;
        Dhrystones_Per_Second = (float) Number_Of_Runs / (float) User_Time;
    #endif
    #ifdef TIMES
            Microseconds = (float) User_Time * Mic_secs_Per_Second
                            / ((float) HZ * ((float) Number_Of_Runs));
        Dhrystones_Per_Second = ((float) HZ * (float) Number_Of_Runs)
                            / (float) User_Time;
    #endif
    #ifdef CLOCK
            Microseconds =
                    ((float) User_Time)/((float) CLOCKS_PER_SEC) * Mic_secs_Per_Second
                    / (float) Number_Of_Runs;
            Dhrystones_Per_Second =
                    (float) Number_Of_Runs / (((float) User_Time)/((float) CLOCKS_PER_SEC));
    #endif

    /*    printf ("Microseconds for one run through Dhrystone: ");
        printf ("%6.1f \n", Microseconds);
        printf ("Dhrystones per Second:                      ");
        printf ("%6.1f \n", Dhrystones_Per_Second);
        printf ("\n");
    */
          }
          return 0;
        }


        void Proc_1 (Rec_Pointer Ptr_Val_Par)
    /* Converted to ANSI style declaration. JRJ */
    /******************/

    /* 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)
    /* Converted to ANSI style declaration. JRJ */
    /******************/
        /* executed once */
        /* *Int_Par_Ref == 1, becomes 4 */

    /* One_Fifty   *Int_Par_Ref; */
        {
          One_Fifty  Int_Loc;
          Enumeration   Enum_Loc = Ident_1;

          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)
    /* Converted to ANSI style declaration. JRJ */
    /******************/
        /* executed once */
        /* Ptr_Ref_Par becomes Ptr_Glob */

    /* Rec_Pointer *Ptr_Ref_Par; */

        {
          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 (void) /* without parameters */
    /* Converted to ANSI style declaration. JRJ */
    /*******/
        /* 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 (void)
    /* Converted to ANSI style declaration. JRJ */
    /*******/
        /* executed once */
        {
          Ch_1_Glob = 'A';
          Bool_Glob = false;
        } /* Proc_5 */


        /* 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