#include /* * "DHRYSTONE" Benchmark Program * * Version: C/1 * Date: 12/01/84, RESULTS updated 10/22/85 * Author: Reinhold P. Weicker, CACM Vol 27, No 10, 10/84 pg. 1013 * Translated from ADA by Rick Richardson * Every method to preserve ADA-likeness has been used, * at the expense of C-ness. * Compile: cc -O dry.c -o drynr : No registers * cc -O -DREG=register dry.c -o dryr : Registers * Defines: Defines are provided for old C compiler's * which don't have enums, and can't assign structures. * The time(2) function is library dependant; One is * provided for CI-C86. Your compiler may be different. * The LOOPS define is initially set for 50000 loops. * If you have a machine with large integers and is * very fast, please change this number to 500000 to * get better accuracy. Please select the way to * measure the execution time using the TIME define. * For single user machines, time(2) is adequate. For * multi-user machines where you cannot get single-user * access, use the times(2) function. If you have * neither, use a stopwatch in the dead of night. * Use a "printf" at the point marked "start timer" * to begin your timings. DO NOT use the UNIX "time(1)" * command, as this will measure the total time to * run this program, which will (erroneously) include * the time to malloc(3) storage and to compute the * time it takes to do nothing. * Run: drynr; dryr * * Results: If you get any new machine/OS results, please send to: * {ihnp4,vax135,..}!houxm!vaximile!rer * and thanks to all that do. Space prevents listing * the names of those who have provided some of these * results. * Note: I order the list in increasing performance of the * "with registers" benchmark. If the compiler doesn't * provide register variables, then the benchmark * is the same for both REG and NOREG. I'm not going * to list a compiler in a better place because if it * had register variables it might do better. No * register variables is a big loss in my book. * PLEASE: Send complete information about the machine type, * clock speed, OS and C manufacturer/version. If * the machine is modified, tell me what was done. * Otherwise, I won't include it in this list. My * favorite flame on this subject was a machine that * was listed as an IBM PC/XT 8086-9.54Mhz. That must * have been some kind of co-processor board that ran * the benchmark, not the XT. Tell me what it was! * * MACHINE MICROPROCESSOR OPERATING COMPILER DHRYSTONES/SEC. * TYPE SYSTEM NO REG REGS * -------------------------- ------------ ----------- --------------- * IBM PC/XT 8088-4.77Mhz PC/IX cc 257 287 * Cosmos 68000-8Mhz UniSoft cc 305 322 * IBM PC/XT 8088-4.77Mhz VENIX/86 2.0 cc 297 324 * IBM PC 8088-4.77Mhz MSDOS 2.0 b16cc 2.0 310 340 * IBM PC 8088-4.77Mhz MSDOS 2.0 CI-C86 2.20M 390 390 * IBM PC/XT 8088-4.77Mhz PCDOS 2.1 Lattice 2.15 403 - @ * PDP-11/34 - UNIX V7M cc 387 438 * Onyx C8002 Z8000-4Mhz IS/1 1.1 (V7) cc 476 511 * ATT PC6300 8086-8Mhz MSDOS 2.11 b16cc 2.0 632 684 * IBM PC/AT 80286-6Mhz PCDOS 3.0 CI-C86 2.1 666 684 * Macintosh 68000-7.8Mhz 2M Mac Rom Mac C 32 bit int 694 704 * Macintosh 68000-7.7Mhz - MegaMax C 2.0 661 709 * NEC PC9801F 8086-8Mhz PCDOS 2.11 Lattice 2.15 768 - @ * ATT PC6300 8086-8Mhz MSDOS 2.11 CI-C86 2.20M 769 769 * ATT 3B2/300 WE32000-?Mhz UNIX 5.0.2 cc 735 806 * IBM PC/AT 80286-6Mhz PCDOS 3.0 MS 3.0(large) 833 847 LM * VAX 11/750 - Unix 4.2bsd cc 862 877 * Fast Mac 68000-7.7Mhz - MegaMax C 2.0 839 904 + * Macintosh 68000-7.8Mhz 2M Mac Rom Mac C 16 bit int 877 909 S * IRIS-1400 68010-10Mhz Unix System V cc 909 1000 * IBM PC/AT 80286-6Mhz VENIX/86 2.1 cc 961 1000 * IBM PC/AT 80286-6Mhz PCDOS 3.0 b16cc 2.0 943 1063 * IBM PC/AT 80286-6Mhz PCDOS 3.0 MS 3.0(small) 1063 1086 * VAX 11/750 - VMS VAX-11 C 2.0 958 1091 * ATT PC7300 68010-10Mhz UNIX 5.2 cc 1041 1111 * ATT PC6300+ 80286-6Mhz MSDOS 3.1 b16cc 2.0 1111 1219 * Sun2/120 68010-10Mhz Sun 4.2BSD cc 1136 1219 * IBM PC/AT 80286-6Mhz PCDOS 3.0 CI-C86 2.20M 1219 1219 * MASSCOMP 500 68010-10MHz RTU V3.0 cc (V3.2) 1156 1238 * Cyb DataMate 68010-12.5Mhz Uniplus 5.0 Unisoft cc 1162 1250 * PDP 11/70 - UNIX 5.2 cc 1162 1250 * IBM PC/AT 80286-6Mhz PCDOS 3.1 Lattice 2.15 1250 - @ * IBM PC/AT 80286-7.5Mhz VENIX/86 2.1 cc 1190 1315 * * Sun2/120 68010-10Mhz Standalone cc 1219 1315 * ATT 3B2/400 WE32100-?Mhz UNIX 5.2 cc 1315 1315 * HP-110 8086-5.33Mhz MSDOS 2.11 Aztec-C 1282 1351 ? * IBM PC/AT 80286-6Mhz ? ? 1250 1388 ? * ATT PC6300+ 80286-6Mhz MSDOS 3.1 CI-C86 2.20M 1428 1428 * Cyb DataMate 68010-12.5Mhz Uniplus 5.0 Unisoft cc 1470 1562 S * VAX 11/780 - UNIX 5.2 cc 1515 1562 * MicroVAX-II - - - 1562 1612 * ATT 3B20 - UNIX 5.2 cc 1515 1724 * HP9000-500 B series CPU HP-UX 4.02 cc 1724 - * IBM PC/STD 80286-8Mhz ? ? 1724 1785 * Gould PN6005 - UTX 1.1(4.2BSD) cc 1675 1964 * VAX 11/785 - UNIX 5.2 cc 2083 2083 * VAX 11/785 - VMS VAX-11 C 2.0 2083 2083 * Pyramid 90x - OSx 2.3 cc 2272 2272 * Pyramid 90x - OSx 2.5 cc 3125 3125 * SUN 3/75 68020-16.67Mhz SUN 4.2 V3 cc 3333 3571 * Sun 3/180 68020-16.67Mhz Sun 4.2 cc 3333 3846 * MC 5400 68020-16.67MHz RTU V3.0 cc (V4.0) 3952 4054 * SUN-3/160C 68020-16.67Mhz Sun3.0ALPHA1 Un*x 3333 4166 * Gould PN9080 - UTX-32 1.1c cc - 4629 * MC 5600/5700 68020-16.67MHz RTU V3.0 cc (V4.0) 4504 4746 % * VAX 8600 - VMS VAX-11 C 2.0 7142 7142 * Amdahl 470 V/8 ? ? - 15015 * Amdahl 580 - UTS 5.0 Rel 1.2 cc Ver. 1.5 23076 23076 * Amdahl 5860 ? ? - 28355 * * * 15Mhz crystal substituted for original 12Mhz; * + This Macintosh was upgraded from 128K to 512K in such a way that * the new 384K of memory is not slowed down by video generator accesses. * % Single processor; MC == MASSCOMP * & Seattle Telecom STD-286 board * @ vanilla Lattice compiler used with MicroPro standard library * S Shorts used instead of ints * LM Large Memory Model. (Otherwise, all 80x8x results are small model) * ? I don't trust results marked with '?'. These were sent to me with * either incomplete information, or with times that just don't make sense. * If anybody can confirm these figures, please respond. * ************************************************************************** * * The following program contains statements of a high-level programming * language (C) in a distribution considered representative: * * assignments 53% * control statements 32% * procedure, function calls 15% * * 100 statements are dynamically executed. The program is balanced with * respect to the three aspects: * - statement type * - operand type (for simple data types) * - operand access * operand global, local, parameter, or constant. * * The combination of these three aspects is balanced only approximately. * * The program does not compute anything meaningfull, but it is * syntactically and semantically correct. * */ /* Accuracy of timings and human fatigue controlled by next two lines */ #define LOOPS 50000 /* Use this for slow or 16 bit machines */ /*#define LOOPS 500000 /* Use this for faster machines */ /* Compiler dependent options */ #define NOENUM /* Define if compiler has no enum's */ #undef NOSTRUCTASSIGN /* Define if compiler can't assign structures */ /* define only one of the next three defines */ /*#define NOTIME /* Define if no time() function in library */ /*#define TIMES /* Use times(2) time function */ /*#define TIME /* Use time(2) time function */ /* define the granularity of your times(2) function (when used) */ #define HZ 60 /* times(2) returns 1/60 second (most) */ /*#define HZ 100 /* times(2) returns 1/100 second (WECo) */ #ifdef NOSTRUCTASSIGN #define structassign(d, s) memcpy(&(d), &(s), sizeof(d)) #else #define structassign(d, s) d = s #endif #ifdef NOENUM #define Ident1 1 #define Ident2 2 #define Ident3 3 #define Ident4 4 #define Ident5 5 typedef int Enumeration; #else typedef enum {Ident1, Ident2, Ident3, Ident4, Ident5} Enumeration; #endif typedef int OneToThirty; typedef int OneToFifty; typedef char CapitalLetter; typedef char String30[31]; typedef int Array1Dim[51]; typedef int Array2Dim[51][51]; struct Record { struct Record *PtrComp; Enumeration Discr; Enumeration EnumComp; OneToFifty IntComp; String30 StringComp; }; typedef struct Record RecordType; typedef RecordType * RecordPtr; typedef int boolean; #define NULL 0 #define TRUE 1 #define FALSE 0 #ifndef REG #define REG #endif extern Enumeration Func1(); extern boolean Func2(); #ifdef TIMES #include #include #endif main() { Proc0(); } /* * Package 1 */ int IntGlob; boolean BoolGlob; char Char1Glob; char Char2Glob; Array1Dim Array1Glob; Array2Dim Array2Glob; RecordPtr PtrGlb; RecordPtr PtrGlbNext; Proc0() { OneToFifty IntLoc1; REG OneToFifty IntLoc2; OneToFifty IntLoc3; REG char CharLoc; REG char CharIndex; Enumeration EnumLoc; String30 String1Loc; String30 String2Loc; register unsigned int i; #ifdef TIME long time(); long starttime; long benchtime; long nulltime; starttime = time(0); for (i = 0; i < LOOPS; ++i); nulltime = time(0) - starttime; /* Computes overhead of looping */ #endif #ifdef TIMES time_t starttime; time_t benchtime; time_t nulltime; struct tms tms; times(&tms); starttime = tms.tms_utime; for (i = 0; i < LOOPS; ++i); times(&tms); nulltime = tms.tms_utime - starttime; /* Computes overhead of looping */ #endif PtrGlbNext = (RecordPtr) malloc(sizeof(RecordType)); PtrGlb = (RecordPtr) malloc(sizeof(RecordType)); PtrGlb->PtrComp = PtrGlbNext; PtrGlb->Discr = Ident1; PtrGlb->EnumComp = Ident3; PtrGlb->IntComp = 40; strcpy(PtrGlb->StringComp, "DHRYSTONE PROGRAM, SOME STRING"); /***************** -- Start Timer -- *****************/ printf ("Start timer!\n"); fflush (stdout); #ifdef TIME starttime = time(0); #endif #ifdef TIMES times(&tms); starttime = tms.tms_utime; #endif for (i = 0; i < LOOPS; ++i) { Proc5(); Proc4(); IntLoc1 = 2; IntLoc2 = 3; strcpy(String2Loc, "DHRYSTONE PROGRAM, 2'ND STRING"); EnumLoc = Ident2; BoolGlob = ! Func2(String1Loc, String2Loc); while (IntLoc1 < IntLoc2) { IntLoc3 = 5 * IntLoc1 - IntLoc2; Proc7(IntLoc1, IntLoc2, &IntLoc3); ++IntLoc1; } Proc8(Array1Glob, Array2Glob, IntLoc1, IntLoc3); Proc1(PtrGlb); for (CharIndex = 'A'; CharIndex <= Char2Glob; ++CharIndex) if (EnumLoc == Func1(CharIndex, 'C')) Proc6(Ident1, &EnumLoc); IntLoc3 = IntLoc2 * IntLoc1; IntLoc2 = IntLoc3 / IntLoc1; IntLoc2 = 7 * (IntLoc3 - IntLoc2) - IntLoc1; Proc2(&IntLoc1); /***************** -- Stop Timer -- *****************/ } printf ("Stop timer!\n"); fflush (stdout); #ifdef TIME benchtime = time(0) - starttime - nulltime; printf("Dhrystone time for %ld passes = %ld\n", (long) LOOPS, benchtime); printf("This machine benchmarks at %ld dhrystones/second\n", ((long) LOOPS) / benchtime); #endif #ifdef TIMES times(&tms); benchtime = tms.tms_utime - starttime - nulltime; printf("Dhrystone time for %ld passes = %ld\n", (long) LOOPS, benchtime/HZ); printf("This machine benchmarks at %ld dhrystones/second\n", ((long) LOOPS) * HZ / benchtime); #endif } Proc1(PtrParIn) REG RecordPtr PtrParIn; { #define NextRecord (*(PtrParIn->PtrComp)) structassign(NextRecord, *PtrGlb); PtrParIn->IntComp = 5; NextRecord.IntComp = PtrParIn->IntComp; NextRecord.PtrComp = PtrParIn->PtrComp; Proc3(NextRecord.PtrComp); if (NextRecord.Discr == Ident1) { NextRecord.IntComp = 6; Proc6(PtrParIn->EnumComp, &NextRecord.EnumComp); NextRecord.PtrComp = PtrGlb->PtrComp; Proc7(NextRecord.IntComp, 10, &NextRecord.IntComp); } else structassign(*PtrParIn, NextRecord); #undef NextRecord } Proc2(IntParIO) OneToFifty *IntParIO; { REG OneToFifty IntLoc; REG Enumeration EnumLoc; IntLoc = *IntParIO + 10; for(;;) { if (Char1Glob == 'A') { --IntLoc; *IntParIO = IntLoc - IntGlob; EnumLoc = Ident1; } if (EnumLoc == Ident1) break; } } Proc3(PtrParOut) RecordPtr *PtrParOut; { if (PtrGlb != NULL) *PtrParOut = PtrGlb->PtrComp; else IntGlob = 100; Proc7(10, IntGlob, &PtrGlb->IntComp); } Proc4() { REG boolean BoolLoc; BoolLoc = Char1Glob == 'A'; BoolLoc |= BoolGlob; Char2Glob = 'B'; } Proc5() { Char1Glob = 'A'; BoolGlob = FALSE; } extern boolean Func3(); Proc6(EnumParIn, EnumParOut) REG Enumeration EnumParIn; REG Enumeration *EnumParOut; { *EnumParOut = EnumParIn; if (! Func3(EnumParIn) ) *EnumParOut = Ident4; switch (EnumParIn) { case Ident1: *EnumParOut = Ident1; break; case Ident2: if (IntGlob > 100) *EnumParOut = Ident1; else *EnumParOut = Ident4; break; case Ident3: *EnumParOut = Ident2; break; case Ident4: break; case Ident5: *EnumParOut = Ident3; } } Proc7(IntParI1, IntParI2, IntParOut) OneToFifty IntParI1; OneToFifty IntParI2; OneToFifty *IntParOut; { REG OneToFifty IntLoc; IntLoc = IntParI1 + 2; *IntParOut = IntParI2 + IntLoc; } Proc8(Array1Par, Array2Par, IntParI1, IntParI2) Array1Dim Array1Par; Array2Dim Array2Par; OneToFifty IntParI1; OneToFifty IntParI2; { REG OneToFifty IntLoc; REG OneToFifty IntIndex; IntLoc = IntParI1 + 5; Array1Par[IntLoc] = IntParI2; Array1Par[IntLoc+1] = Array1Par[IntLoc]; Array1Par[IntLoc+30] = IntLoc; for (IntIndex = IntLoc; IntIndex <= (IntLoc+1); ++IntIndex) Array2Par[IntLoc][IntIndex] = IntLoc; ++Array2Par[IntLoc][IntLoc-1]; Array2Par[IntLoc+20][IntLoc] = Array1Par[IntLoc]; IntGlob = 5; } Enumeration Func1(CharPar1, CharPar2) CapitalLetter CharPar1; CapitalLetter CharPar2; { REG CapitalLetter CharLoc1; REG CapitalLetter CharLoc2; CharLoc1 = CharPar1; CharLoc2 = CharLoc1; if (CharLoc2 != CharPar2) return (Ident1); else return (Ident2); } boolean Func2(StrParI1, StrParI2) String30 StrParI1; String30 StrParI2; { REG OneToThirty IntLoc; REG CapitalLetter CharLoc; IntLoc = 1; while (IntLoc <= 1) if (Func1(StrParI1[IntLoc], StrParI2[IntLoc+1]) == Ident1) { CharLoc = 'A'; ++IntLoc; } if (CharLoc >= 'W' && CharLoc <= 'Z') IntLoc = 7; if (CharLoc == 'X') return(TRUE); else { if (strcmp(StrParI1, StrParI2) > 0) { IntLoc += 7; return (TRUE); } else return (FALSE); } } boolean Func3(EnumParIn) REG Enumeration EnumParIn; { REG Enumeration EnumLoc; EnumLoc = EnumParIn; if (EnumLoc == Ident3) return (TRUE); return (FALSE); } #ifdef NOSTRUCTASSIGN memcpy(d, s, l) register char *d; register char *s; int l; { while (l--) *d++ = *s++; } #endif /* * Library function for compilers with no time(2) function in the * library. */ #ifdef NOTIME long time(p) long *p; { /* CI-C86 time function - don't use around midnight */ long t; struct regval {unsigned int ax,bx,cx,dx,si,di,ds,es; } regs; regs.ax = 0x2c00; sysint21(®s, ®s); t = ((regs.cx>>8)*60L + (regs.cx & 0xff))*60L + (regs.dx>>8); if (p) *p = t; return t; } #endif