AVR,STM8dhrystone比较

zhaoyanfeng

AVR,STM8dhrystone比较 [复制链接]

#include "dhry.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define LOOPS    20000

Rec_Pointer    Ptr_Glob,
            Next_Ptr_Glob;
int          Int_Glob;
Boolean       Bool_Glob;
char          Ch_1_Glob,
            Ch_2_Glob;
int          Arr_1_Glob [25];       /* <-- changed from 50 */
int          Arr_2_Glob [25] [25]; /* <-- changed from 50 */
char Reg_Define[] = "Register option selected.";
#ifndef ROPT
#define REG
      /* REG becomes defined as empty */
      /* i.e. no register variables */
#else
#define REG register
#endif

/* end of variables for time measurement */
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 );
void Proc_5( void );

void Proc_1( REG Rec_Pointer Ptr_Val_Par )
/******************/
/* executed once */
{
  REG Rec_Pointer Next_Record = Ptr_Val_Par->tr_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( void ) /* 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( void ) /* without parameters */
/*******/
/* executed once */
{
  Ch_1_Glob = 'A';
  Bool_Glob = false;
} /* Proc_5 */

void dhrystone (void)
{
      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;

  Next_Ptr_Glob = (Rec_Pointer)emalloc (sizeof (Rec_Type));
  Ptr_Glob = (Rec_Pointer)emalloc (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.                */

  Number_Of_Runs=LOOPS;

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" */
}
/*
*************************************************************************
*
*                "DHRYSTONE" Benchmark Program
*                -----------------------------
*
*  Version: C, Version 2.1
*
*  File:    dhry_2.c (part 3 of 3)
*
*  Date:    May 25, 1988
*
*  Author:    Reinhold P. Weicker
*
*************************************************************************
*/
/***************************************************************************
* Adapted for embedded microcontrollers by Graham Davies, ECROS Technology.
**************************************************************************/
#include "dhry.h"
#include <string.h>
#ifndef REG
#define REG
      /* REG becomes defined as empty */
      /* i.e. no register variables */
#else
#define REG register
#endif
extern  int    Int_Glob;
extern  char Ch_1_Glob;
Boolean Func_3( Enumeration Enum_Par_Val );
void Proc_6( Enumeration Enum_Val_Par, Enumeration * Enum_Ref_Par )
/*********************************/
/* executed once */
/* Enum_Val_Par == Ident_3, Enum_Ref_Par becomes Ident_2 */
{
  *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 */

void Proc_7( One_Fifty Int_1_Par_Val, One_Fifty Int_2_Par_Val,
                                                   One_Fifty * 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_Loc;
  Int_Loc = Int_1_Par_Val + 2;
  *Int_Par_Ref = Int_2_Par_Val + Int_Loc;
} /* Proc_7 */

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 )
/*********************************************************************/
/* executed once    */
/* Int_Par_Val_1 == 3 */
/* Int_Par_Val_2 == 7 */
{
  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+15] = 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+10] [Int_Loc] = Arr_1_Par_Ref [Int_Loc];
  Int_Glob = 5;
} /* Proc_8 */

Enumeration Func_1 ( Capital_Letter Ch_1_Par_Val, Capital_Letter 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_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_30 Str_1_Par_Ref, Str_30 Str_2_Par_Ref )
/*************************************************/
/* executed once */
/* Str_1_Par_Ref == "DHRYSTONE PROGRAM, 1'ST STRING" */
/* Str_2_Par_Ref == "DHRYSTONE PROGRAM, 2'ND STRING" */
{
  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( Enumeration Enum_Par_Val )
/***************************/
/* executed once       */
/* Enum_Par_Val == Ident_3 */
{
  Enumeration Enum_Loc;
  Enum_Loc = Enum_Par_Val;
  if (Enum_Loc == Ident_3)
/* then, executed */
return (true);
  else /* not executed */
return (false);
} /* Func_3 */

void dhrystone(void);

void main(void)
{
asm("nop");

dhrystone(); //测试两NOP之间时间
asm ("nop");
}

IARAVR:
总代码量： 1 582 bytes of CODE memory (+ 84 range fill )
执行时间：37240874时钟周期（软仿真）

IARSTM8:
总代码量：  1 369 bytes of readonly  code memory
执行时间：36170907时钟周期（软仿真）

dhrystone.rar (108.69 KB)

include, color

此帖出自stm32/stm8论坛

AVR,STM8dhrystone比较 [复制链接]

最新回复