home *** CD-ROM | disk | FTP | other *** search
- /*******************************************************************************
- * The BYTE UNIX Benchmarks - Release 2
- * Module: dhry.c SID: 2.4 4/17/90 16:45:30
- *
- *******************************************************************************
- * Bug reports, patches, comments, suggestions should be sent to:
- *
- * Ben Smith or Rick Grehan at BYTE Magazine
- * bensmith@bixpb.UUCP rick_g@bixpb.UUCP
- *
- *******************************************************************************
- * Modification Log:
- * adapted from: "DHRYSTONE" Benchmark Program
- * Version: C, Version 2.0
- * File: dhry_pack_1.c (part 2 of 3)
- * Date: March 3, 1988
- * Author: Reinhold P. Weicker
- * added command line parameter handling, modified error check
- * to output only on error - ben 6/89
- *
- ******************************************************************************/
- char id[] = "@(#) @(#)dhry.c:2.4 -- 4/17/90 16:45:30";
-
- #include "dhry.h"
-
- /* 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];
-
- 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" */
- #endif
- #ifdef TIME
- extern long time();
- /* see library function "time" */
- #endif
-
- #define Too_Small_Time 2
- /* Measurements should last at least 2 seconds */
-
- long Begin_Time,
- End_Time,
- User_Time;
- float Microseconds,
- Dhrystones_Per_Second;
-
- /* end of variables for time measurement */
-
-
- main (argc, argv, env)
- int argc;
- char *argv[], *env[];
- /* 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 = 10000;
-
-
- /* 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, STR_0_PAR_REF);
- strcpy (Str_1_Loc, STR_1_PAR_REF);
-
- Arr_2_Glob [8][7] = 10;
- /* Was missing in published program. Without this */
- /* initialization, 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. */
-
- if(argc > 1) Number_Of_Runs = atoi(argv[1]);
- /***************/
- /* Start timer */
- /***************/
-
- #ifdef TIMES
- times (&time_info);
- Begin_Time = (long) time_info.tms_utime;
- #endif
- #ifdef TIME
- Begin_Time = time ( (long *) 0);
- #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
-
- if(Int_Glob != INT_GLOB)
- {
- fprintf (stderr, "Int_Glob: %d\n", Int_Glob);
- fprintf (stderr, " should be: %d\n", INT_GLOB);
- }
- if(Bool_Glob != BOOL_GLOB)
- {
- fprintf (stderr, "Bool_Glob: %d\n", Bool_Glob);
- fprintf (stderr, " should be: %d\n", BOOL_GLOB);
- }
- if(Ch_1_Glob != 'A')
- {
- fprintf (stderr, "Ch_1_Glob: %c\n", Ch_1_Glob);
- fprintf (stderr, " should be: %c\n", 'A');
- }
- if(Ch_2_Glob != 'B')
- {
- fprintf (stderr, "Ch_2_Glob: %c\n", Ch_2_Glob);
- fprintf (stderr, " should be: %c\n", 'B');
- }
- if(Arr_1_Glob[ARR_1_SZ] != ARR_1_VAL)
- {
- fprintf (stderr, "Arr_1_Glob[%d]: %d\n", ARR_1_SZ, Arr_1_Glob[ARR_1_SZ]);
- fprintf (stderr, " should be: %d\n", ARR_1_VAL);
- }
- if(Arr_2_Glob[8][7] != (Number_Of_Runs + 10))
- {
- fprintf (stderr, "Arr_2_Glob[8][7]: %d\n", Arr_2_Glob[8][7]);
- fprintf (stderr, " should be: %d\n",Number_Of_Runs + 10);
- }
- if(Ptr_Glob->Discr != Ident_1)
- {
- fprintf (stderr, " Discr: %d\n", Ptr_Glob->Discr);
- fprintf (stderr, " should be: %d\n", Ident_1);
- }
- #ifdef COMPLETE
- if(Ptr_Glob->variant.var_1.Enum_Comp != 2)
- {
- fprintf (stderr, " Enum_Comp: %d\n", Ptr_Glob->variant.var_1.Enum_Comp);
- fprintf (stderr, " should be: %d\n", 2);
- }
- {
- fprintf (stderr, " Int_Comp: %d\n", Ptr_Glob->variant.var_1.Int_Comp);
- fprintf (stderr, " should be: %d\n", 17);
- }
- {
- fprintf (stderr, " Str_Comp: %s\n", Ptr_Glob->variant.var_1.Str_Comp);
- fprintf (stderr, " should be: %s\n", STR_0_PAR_REF);
- }
- {
- fprintf (stderr, "Next_Ptr_Glob->\n");
- fprintf (stderr, " Ptr_Comp: %d\n", (int) Next_Ptr_Glob->Ptr_Comp);
- fprintf (stderr, " should be: (implementation-dependent), same as above\n");
- }
- {
- fprintf (stderr, " Discr: %d\n", Next_Ptr_Glob->Discr);
- fprintf (stderr, " should be: %d\n", 0);
- }
- {
- fprintf (stderr, " Enum_Comp: %d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);
- fprintf (stderr, " should be: %d\n", 1);
- }
- {
- fprintf (stderr, " Int_Comp: %d\n", Next_Ptr_Glob->variant.var_1.Int_Comp);
- fprintf (stderr, " should be: %d\n", 18);
- }
- #endif
- if(strcmp(Next_Ptr_Glob->variant.var_1.Str_Comp, STR_0_PAR_REF))
- {
- fprintf (stderr, " Str_Comp: %s\n",
- Next_Ptr_Glob->variant.var_1.Str_Comp);
- fprintf (stderr, " should be: %s\n",STR_0_PAR_REF);
- }
- #ifdef COMPLETE
- {
- fprintf (stderr, "Int_1_Loc: %d\n", Int_1_Loc);
- fprintf (stderr, " should be: %d\n", 5);
- }
- {
- fprintf (stderr, "Int_2_Loc: %d\n", Int_2_Loc);
- fprintf (stderr, " should be: %d\n", 13);
- }
- {
- fprintf (stderr, "Int_3_Loc: %d\n", Int_3_Loc);
- fprintf (stderr, " should be: %d\n", 7);
- }
- {
- fprintf (stderr, "Enum_Loc: %d\n", Enum_Loc);
- fprintf (stderr, " should be: %d\n", 1);
- }
- #endif
- if(strcmp(Str_1_Loc, STR_1_PAR_REF))
- {
- fprintf (stderr, "Str_1_Loc: %s\n", Str_1_Loc);
- fprintf (stderr, " should be: %s\n",STR_1_PAR_REF);
- }
- if(strcmp(Str_2_Loc, STR_2_PAR_REF))
- {
- fprintf (stderr, "Str_2_Loc: %s\n", Str_2_Loc);
- fprintf (stderr, " should be: %s\n",STR_2_PAR_REF);
- }
-
- User_Time = End_Time - Begin_Time;
-
- if (User_Time < Too_Small_Time)
- {
- fprintf (stderr, "Measured time too small to obtain meaningful results\n");
- fprintf (stderr, "Please increase number of runs\n");
- fprintf (stderr, "\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;
- #else
- 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
- /************** The results go to standard out *********************/
- fprintf (stderr,"Microseconds for one run through Dhrystone: ");
- fprintf (stderr,"%6.1f \n", Microseconds);
- fprintf (stderr,"Dhrystones per Second: ");
- fprintf (stderr,"%6.1f \n", Dhrystones_Per_Second);
- fprintf (stderr,"\n");
- }
-
- }
-
-
- Proc_1 (Ptr_Val_Par)
- /**********************/
-
- 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 */
-
-
- Proc_2 (Int_Par_Ref)
- /******************/
- /* executed once */
- /* *Int_Par_Ref == 1, becomes 4 */
-
- One_Fifty *Int_Par_Ref;
- {
- 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 */
-
-
- Proc_3 (Ptr_Ref_Par)
- /**********************/
- /* 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;
- else /* not executed */
- Int_Glob = 100;
- Proc_7 (10, Int_Glob, &Ptr_Glob->variant.var_1.Int_Comp);
- } /* Proc_3 */
-
-
-
- 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 */
-
-
- Proc_5 () /* without parameters */
- /*******/
- /* 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
-
- /*****************************************************************
- THE PROCESSES
- *****************************************************************/
- Proc_6 (Enum_Val_Par, Enum_Ref_Par)
- /*********************************/
- /* executed once */
- /* Enum_Val_Par == Ident_3, Enum_Ref_Par becomes Ident_2 */
-
- Enumeration Enum_Val_Par;
- Enumeration *Enum_Ref_Par;
- {
- *Enum_Ref_Par = Enum_Val_Par;
- if (! Func_3 (Enum_Val_Par))
- /* then, not executed */
- *Enum_Ref_Par = Ident_4;
- switch (Enum_Val_Par)
- {
- case Ident_1:
- *Enum_Ref_Par = Ident_1;
- break;
- case Ident_2:
- if (Int_Glob > 100)
- /* then */
- *Enum_Ref_Par = Ident_1;
- else *Enum_Ref_Par = Ident_4;
- break;
- case Ident_3: /* executed */
- *Enum_Ref_Par = Ident_2;
- break;
- case Ident_4: break;
- case Ident_5:
- *Enum_Ref_Par = Ident_3;
- break;
- } /* switch */
- } /* Proc_6 */
-
-
- Proc_7 (Int_1_Par_Val, Int_2_Par_Val, Int_Par_Ref)
- /**********************************************/
- /* executed three times */
- /* first call: Int_1_Par_Val == 2, Int_2_Par_Val == 3, */
- /* Int_Par_Ref becomes 7 */
- /* second call: Int_1_Par_Val == 10, Int_2_Par_Val == 5, */
- /* Int_Par_Ref becomes 17 */
- /* third call: Int_1_Par_Val == 6, Int_2_Par_Val == 10, */
- /* Int_Par_Ref becomes 18 */
- One_Fifty Int_1_Par_Val;
- One_Fifty Int_2_Par_Val;
- One_Fifty *Int_Par_Ref;
- {
- One_Fifty Int_Loc;
-
- Int_Loc = Int_1_Par_Val + 2;
- *Int_Par_Ref = Int_2_Par_Val + Int_Loc;
- } /* Proc_7 */
-
-
- Proc_8 (Arr_1_Par_Ref, Arr_2_Par_Ref, Int_1_Par_Val, Int_2_Par_Val)
- /*********************************************************************/
- /* executed once */
- /* Int_Par_Val_1 == 3 */
- /* Int_Par_Val_2 == 7 */
- Arr_1_Dim Arr_1_Par_Ref;
- Arr_2_Dim Arr_2_Par_Ref;
- int Int_1_Par_Val;
- int Int_2_Par_Val;
- {
- REG One_Fifty Int_Index;
- REG One_Fifty Int_Loc;
-
- Int_Loc = Int_1_Par_Val + 5;
- Arr_1_Par_Ref [Int_Loc] = Int_2_Par_Val;
- Arr_1_Par_Ref [Int_Loc+1] = Arr_1_Par_Ref [Int_Loc];
- Arr_1_Par_Ref [Int_Loc+30] = Int_Loc;
- for (Int_Index = Int_Loc; Int_Index <= Int_Loc+1; ++Int_Index)
- Arr_2_Par_Ref [Int_Loc] [Int_Index] = Int_Loc;
- Arr_2_Par_Ref [Int_Loc] [Int_Loc-1] += 1;
- Arr_2_Par_Ref [Int_Loc+20] [Int_Loc] = Arr_1_Par_Ref [Int_Loc];
- Int_Glob = 5;
- } /* Proc_8 */
-
-
- Enumeration Func_1 (Ch_1_Par_Val, Ch_2_Par_Val)
- /*************************************************/
- /* executed three times */
- /* first call: Ch_1_Par_Val == 'H', Ch_2_Par_Val == 'R' */
- /* second call: Ch_1_Par_Val == 'A', Ch_2_Par_Val == 'C' */
- /* third call: Ch_1_Par_Val == 'B', Ch_2_Par_Val == 'C' */
-
- Capital_Letter Ch_1_Par_Val;
- Capital_Letter Ch_2_Par_Val;
- {
- Capital_Letter Ch_1_Loc;
- Capital_Letter Ch_2_Loc;
-
- Ch_1_Loc = Ch_1_Par_Val;
- Ch_2_Loc = Ch_1_Loc;
- if (Ch_2_Loc != Ch_2_Par_Val)
- /* then, executed */
- return (Ident_1);
- else /* not executed */
- {
- Ch_1_Glob = Ch_1_Loc;
- return (Ident_2);
- }
- } /* Func_1 */
-
-
- Boolean Func_2 (Str_1_Par_Ref, Str_2_Par_Ref)
- /*************************************************/
- /* executed once */
- /* Str_1_Par_Ref == "DHRYSTONE PROGRAM, 1'ST STRING" */
- /* Str_2_Par_Ref == "DHRYSTONE PROGRAM, 2'ND STRING" */
-
- Str_30 Str_1_Par_Ref;
- Str_30 Str_2_Par_Ref;
- {
- REG One_Thirty Int_Loc;
- Capital_Letter Ch_Loc;
-
- Int_Loc = 2;
- while (Int_Loc <= 2) /* loop body executed once */
- if (Func_1 (Str_1_Par_Ref[Int_Loc],
- Str_2_Par_Ref[Int_Loc+1]) == Ident_1)
- /* then, executed */
- {
- Ch_Loc = 'A';
- Int_Loc += 1;
- } /* if, while */
- if (Ch_Loc >= 'W' && Ch_Loc < 'Z')
- /* then, not executed */
- Int_Loc = 7;
- if (Ch_Loc == 'R')
- /* then, not executed */
- return (true);
- else /* executed */
- {
- if (strcmp (Str_1_Par_Ref, Str_2_Par_Ref) > 0)
- /* then, not executed */
- {
- Int_Loc += 7;
- Int_Glob = Int_Loc;
- return (true);
- }
- else /* executed */
- return (false);
- } /* if Ch_Loc */
- } /* Func_2 */
-
-
- Boolean Func_3 (Enum_Par_Val)
- /***************************/
- /* executed once */
- /* Enum_Par_Val == Ident_3 */
- Enumeration Enum_Par_Val;
- {
- Enumeration Enum_Loc;
-
- Enum_Loc = Enum_Par_Val;
- if (Enum_Loc == Ident_3)
- /* then, executed */
- return (true);
- } /* Func_3 */
-
-