mirror of https://github.com/BOINC/boinc.git
254 lines
7.3 KiB
C++
254 lines
7.3 KiB
C++
/*
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*************************************************************************
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*
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* "DHRYSTONE" Benchmark Program
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* -----------------------------
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*
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* Version: C, Version 2.1
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*
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* File: dhry.h (part 1 of 3)
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*
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* Date: May 25, 1988
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*
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* Author: Reinhold P. Weicker
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* Siemens Nixdorf Inf. Syst.
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* STM OS 32
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* Otto-Hahn-Ring 6
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* W-8000 Muenchen 83
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* Germany
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* Phone: [+49]-89-636-42436
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* (8-17 Central European Time)
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* UUCP: weicker@ztivax.uucp@unido.uucp
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* Internet: weicker@ztivax.siemens.com
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*
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* Original Version (in Ada) published in
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* "Communications of the ACM" vol. 27., no. 10 (Oct. 1984),
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* pp. 1013 - 1030, together with the statistics
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* on which the distribution of statements etc. is based.
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*
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* In this C version, the following C library functions are
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* used:
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* - strcpy, strcmp (inside the measurement loop)
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* - printf, scanf (outside the measurement loop)
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*
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*/
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// Slightly modified for BOINC.
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// e.g.: no global variables, since we run this multithreaded
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#ifdef _WIN32
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#include "boinc_win.h"
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#else
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#include "config.h"
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#endif
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#include <cstdlib>
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#include <cstdio>
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#include <cstring>
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#include "util.h"
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#include "cpu_benchmark.h"
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#include "dhrystone.h"
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#define structassign(d, s) d = s
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#define TRUE 1
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#define FALSE 0
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/*
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* Package 1
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*/
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void Proc_0();
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void Proc_1(DS_DATA&, Rec_Pointer PtrParIn);
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void Proc_2(DS_DATA&, One_Fifty *IntParIO);
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void Proc_3(DS_DATA&, Rec_Pointer *PtrParOut);
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void Proc_4(DS_DATA&);
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void Proc_5(DS_DATA&);
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void Proc_6(DS_DATA&, Enumeration EnumParIn, Enumeration *EnumParOut);
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void Proc_7(One_Fifty IntParI1, One_Fifty IntParI2, One_Fifty *IntParOut);
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void Proc_8(DS_DATA&, Arr_1_Dim Array1Par, Arr_2_Dim Array2Par, One_Fifty IntParI1, One_Fifty IntParI2);
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Enumeration Func_1(DS_DATA&, Capital_Letter , Capital_Letter );
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bool Func_2(DS_DATA&, Str_30 , Str_30 );
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bool Func_3(Enumeration EnumParIn);
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int dhrystone(
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double& Vax_Mips, double& int_loops, double& int_time, double min_cpu_time
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){
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One_Fifty Int_1_Loc;
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REG One_Fifty Int_2_Loc;
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One_Fifty Int_3_Loc;
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REG char Ch_Index;
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Enumeration Enum_Loc;
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Str_30 Str_1_Loc;
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Str_30 Str_2_Loc;
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unsigned long Loops;
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DS_DATA dd;
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double startclock, endclock;
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double benchtime;
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double Dhrystones_Per_Second;
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register unsigned long Run_Index;
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Next_Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));
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Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));
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Ptr_Glob->Ptr_Comp = Next_Ptr_Glob;
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Ptr_Glob->Discr = Ident_1;
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Ptr_Glob->variant.var_1.Enum_Comp = Ident_3;
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Ptr_Glob->variant.var_1.Int_Comp = 40;
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strcpy (Ptr_Glob->variant.var_1.Str_Comp,
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"DHRYSTONE PROGRAM, SOME STRING");
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strcpy (Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING");
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Arr_2_Glob [8][7] = 10;
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Loops = 16000; // determines runtime
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// This must be small enough that, on the slowest CPU,
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// one loop completes within 10 seconds.
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benchmark_wait_to_start(BM_TYPE_INT);
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boinc_calling_thread_cpu_time(startclock);
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int bigloops = 0;
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do
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{
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for (Run_Index = 0; Run_Index < Loops; ++Run_Index)
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{
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Proc_5(dd);
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Proc_4(dd);
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Int_1_Loc = 2;
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Int_2_Loc = 3;
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strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING");
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Enum_Loc = Ident_2;
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Bool_Glob = ! Func_2 (dd, Str_1_Loc, Str_2_Loc);
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while (Int_1_Loc < Int_2_Loc) /* loop body executed once */
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{
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Int_3_Loc = 5 * Int_1_Loc - Int_2_Loc;
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Proc_7 (Int_1_Loc, Int_2_Loc, &Int_3_Loc);
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Int_1_Loc += 1;
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} /* while */
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Proc_8 (dd, Arr_1_Glob, Arr_2_Glob, Int_1_Loc, Int_3_Loc);
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Proc_1 (dd, Ptr_Glob);
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for (Ch_Index = 'A'; Ch_Index <= Ch_2_Glob; ++Ch_Index)
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{
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if (Enum_Loc == Func_1 (dd, Ch_Index, 'C'))
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{
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Proc_6 (dd, Ident_1, &Enum_Loc);
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strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 3'RD STRING");
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Int_2_Loc = Run_Index;
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Int_Glob = Run_Index;
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}
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}
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Int_2_Loc = Int_2_Loc * Int_1_Loc;
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Int_1_Loc = Int_2_Loc / Int_3_Loc;
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Int_2_Loc = 7 * (Int_2_Loc - Int_3_Loc) - Int_1_Loc;
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Proc_2 (dd, &Int_1_Loc);
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}
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bigloops++;
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}
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while (!benchmark_time_to_stop(BM_TYPE_INT));
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Loops *= bigloops;
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boinc_calling_thread_cpu_time(endclock);
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benchtime = endclock - startclock;
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int_time = benchtime;
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if (benchtime < min_cpu_time) return -1;
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//printf ("%12.0f runs %6.2f seconds \n",(double) Loops, benchtime);
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Dhrystones_Per_Second = (double) Loops / benchtime;
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Vax_Mips = Dhrystones_Per_Second / 1757.0;
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int_loops = Loops;
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#if 0
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printf ("Dhrystones per Second: ");
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printf ("%10.0lf \n", Dhrystones_Per_Second);
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printf ("VAX MIPS rating = ");
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printf ("%12.2lf \n",Vax_Mips);
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#endif
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free(Next_Ptr_Glob);
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free(Ptr_Glob);
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return 0;
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}
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void Proc_1(DS_DATA& dd, REG Rec_Pointer Ptr_Val_Par)
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{
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REG Rec_Pointer Next_Record = Ptr_Val_Par->Ptr_Comp;
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/* == Ptr_Glob_Next */
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/* Local variable, initialized with Ptr_Val_Par->Ptr_Comp, */
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/* corresponds to "rename" in Ada, "with" in Pascal */
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structassign (*Ptr_Val_Par->Ptr_Comp, *Ptr_Glob);
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Ptr_Val_Par->variant.var_1.Int_Comp = 5;
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Next_Record->variant.var_1.Int_Comp
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= Ptr_Val_Par->variant.var_1.Int_Comp;
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Next_Record->Ptr_Comp = Ptr_Val_Par->Ptr_Comp;
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Proc_3 (dd, &Next_Record->Ptr_Comp);
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/* Ptr_Val_Par->Ptr_Comp->Ptr_Comp
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== Ptr_Glob->Ptr_Comp */
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if (Next_Record->Discr == Ident_1)
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/* then, executed */
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{
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Next_Record->variant.var_1.Int_Comp = 6;
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Proc_6 (dd, Ptr_Val_Par->variant.var_1.Enum_Comp,
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&Next_Record->variant.var_1.Enum_Comp);
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Next_Record->Ptr_Comp = Ptr_Glob->Ptr_Comp;
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Proc_7 (Next_Record->variant.var_1.Int_Comp, 10,
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&Next_Record->variant.var_1.Int_Comp);
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}
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else /* not executed */
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structassign (*Ptr_Val_Par, *Ptr_Val_Par->Ptr_Comp);
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}
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void Proc_2(DS_DATA& dd, One_Fifty *Int_Par_Ref)
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{
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One_Fifty Int_Loc;
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Enumeration Enum_Loc=Ident_1;
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Int_Loc = *Int_Par_Ref + 10;
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do /* executed once */
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if (Ch_1_Glob == 'A')
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/* then, executed */
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{
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Int_Loc -= 1;
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*Int_Par_Ref = Int_Loc - Int_Glob;
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Enum_Loc = Ident_1;
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} /* if */
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while (Enum_Loc != Ident_1); /* true */
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}
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void Proc_3(DS_DATA& dd, Rec_Pointer *Ptr_Ref_Par)
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{
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if (Ptr_Glob != NULL)
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/* then, executed */
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*Ptr_Ref_Par = Ptr_Glob->Ptr_Comp;
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Proc_7 (10, Int_Glob, &Ptr_Glob->variant.var_1.Int_Comp);
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}
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void Proc_4(DS_DATA& dd)
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{
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bool Bool_Loc;
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Bool_Loc = Ch_1_Glob == 'A';
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Bool_Glob = Bool_Loc | Bool_Glob;
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Ch_2_Glob = 'B';
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}
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void Proc_5(DS_DATA& dd)
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{
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Ch_1_Glob = 'A';
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Bool_Glob = FALSE;
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}
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const char *BOINC_RCSID_5107112def = "$Id$";
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