/* * This is a suite of benchmarks that are relatively short, both in program * size and execution time. It requires no input. It does a rudimentary check * to make sure each program gets the right output. These programs were * gathered by John Hennessy and modified by Peter Nye. */ /* * CS980 Fall 2007 Notes: * * 1. This file must be preprocessed before it can be handled by pcc3: * i.e. % cpp hennessy2.c hennessy2-cpp.c * % pcc3 hennessy2-cpp.c * % gcc hennessy2-cpp.s * % a.out * * 2. Set ITERATIONS to determine how many times the benchmarks are run. * * 3. Set PRINT to 1 if you want to print the results of the benchmarks. * Set PRINT to 0 if you do not want any output. * */ #define ITERATIONS 1 #define PRINT 1 /* standard C lib stuff */ int printf(const char *, ...); typedef long unsigned int size_t; void *malloc(size_t size); /* functions to print results */ void PrintPerm(void); void PrintTowers(void); void PrintQueens(int a[], int b[], int c[], int x[]); void PrintIntmm(void); void PrintMm(void); void PrintPuzzle(void); void PrintSort(char *); /* Towers */ #define maxcells 18 /* Intmm, Mm */ #define rowsize 40 /* Puzzle */ #define size 511 #define classmax 3 #define typemax 12 #define d 8 /* Bubble, Quick */ #define sortelements 5000 #define srtelements 500 /* Fft */ #define fftsize 256 #define fftsize2 129 /* Perm */ #define permrange 10 /* Towers */ #define stackrange 3 /* Tree */ struct node { struct node *left, *right; int val; }; /* Towers */ struct element { int discsize; int next; }; /* Fft */ struct complex { float rp, ip; }; /* Rand */ int seed; /* Perm */ int permarray[permrange+1]; int pctr; /* Tree */ struct node *tree; /* Towers */ int stack[stackrange+1]; struct element cellspace[maxcells+1]; int freelist, movesdone; /* Intmm, Mm */ int ima[rowsize+1][rowsize+1], imb[rowsize+1][rowsize+1], imr[rowsize+1][rowsize+1]; float rma[rowsize+1][rowsize+1], rmb[rowsize+1][rowsize+1], rmr[rowsize+1][rowsize+1]; /* Puzzle */ int piececount[classmax+1], class[typemax+1], piecemax[typemax+1], puzzl[size+1], p[typemax+1][size+1], n, kount; /* Bubble, Quick */ int sortlist[sortelements+1], biggest, littlest, top; /* Fft */ struct complex z[fftsize+1], w[fftsize+1], e[fftsize2+1]; float zr, zi; void Initrand (void) { seed = 74755; } int Rand (void) { seed = (seed * 1309 + 13849) & 65535; return( seed ); } void Swap (int *a, int *b ) { int t; t = *a; *a = *b; *b = t; } void Initialize (void) { int i; for ( i = 1; i <= 7; i++ ) { permarray[i]=i-1; } } void Permute (int n) { int k; pctr = pctr + 1; if ( n!=1 ) { Permute(n-1); for ( k = n-1; k >= 1; k-- ) { Swap(&permarray[n],&permarray[k]); Permute(n-1); Swap(&permarray[n],&permarray[k]); } } } void Perm (void) { int i; pctr = 0; for ( i = 1; i <= 5; i++ ) { Initialize(); Permute(7); } if ( pctr != 43300 ) printf(" Error in Perm.\n"); } void Error (char *emsg) { printf(" Error in Towers: %s\n",emsg); } void Makenull (int s) { stack[s]=0; } int Getelement (void) { int temp; if ( freelist>0 ) { temp = freelist; freelist = cellspace[freelist].next; } else Error("out of space "); return (temp); } void Push(int i, int s) { int errorfound, localel; errorfound=0; if ( stack[s] > 0 ) if ( cellspace[stack[s]].discsize<=i ) { errorfound=1; Error("disc size error"); } if ( !errorfound ) { localel=Getelement(); cellspace[localel].next=stack[s]; stack[s]=localel; cellspace[localel].discsize=i; } } void Init (int s, int n) { int discctr; Makenull(s); for ( discctr = n; discctr >= 1; discctr-- ) Push(discctr,s); } int Pop (int s) { int temp, temp1; if ( stack[s] > 0 ) { temp1 = cellspace[stack[s]].discsize; temp = cellspace[stack[s]].next; cellspace[stack[s]].next=freelist; freelist=stack[s]; stack[s]=temp; return (temp1); } else Error("nothing to pop "); } void Move(int s1, int s2) { Push(Pop(s1),s2); movesdone=movesdone+1; } void tower(int i, int j, int k) { int other; if ( k==1 ) Move(i,j); else { other=6-i-j; tower(i,other,k-1); Move(i,j); tower(other,j,k-1); } } void Towers (void) { int i; for ( i=1; i <= maxcells; i++ ) cellspace[i].next=i-1; freelist=maxcells; Init(1,14); Makenull(2); Makenull(3); movesdone=0; tower(1,2,14); if ( movesdone != 16383 ) printf (" Error in Towers.\n"); } void Try(int i, int *q, int a[], int b[], int c[], int x[]) { int j; j = 0; *q = 0; while ( (! *q) && (j != 8) ) { j = j + 1; *q = 0; if ( b[j] && a[i+j] && c[i-j+7] ) { x[i] = j; b[j] = 0; a[i+j] = 0; c[i-j+7] = 0; if ( i < 8 ) { Try(i+1,q,a,b,c,x); if ( ! *q ) { b[j] = 1; a[i+j] = 1; c[i-j+7] = 1; } } else *q = 1; } } } void Doit(void) { int i,q; int a[9], b[17], c[15], x[9]; i = 0 - 7; while ( i <= 16 ) { if ( (i >= 1) && (i <= 8) ) a[i] = 1; if ( i >= 2 ) b[i] = 1; if ( i <= 7 ) c[i+7] = 1; i = i + 1; } Try(1, &q, b, a, c, x); if ( ! q ) printf (" Error in Queens.\n"); #if PRINT PrintQueens(a,b,c,x); #endif } void Queens(void) { Doit(); } void Initmatrix(int m[rowsize +1][rowsize +1]) { int temp, i, j; for ( i = 1; i <= rowsize; i++ ) for ( j = 1; j <= rowsize; j++ ) { temp = Rand(); m[i][j] = temp - (temp/120)*120 - 60; } } void Innerproduct( int *result, int a[rowsize +1][rowsize +1], int b[rowsize +1][rowsize +1], int row, int column ) { int i; *result = 0; for (i = 1; i <= rowsize; i++ ) *result = *result+a[row][i]*b[i][column]; } void Intmm (void) { int i, j; Initrand(); Initmatrix (ima); Initmatrix (imb); for ( i = 1; i <= rowsize; i++ ) for ( j = 1; j <= rowsize; j++ ) Innerproduct(&imr[i][j],ima,imb,i,j); } void rInitmatrix (float m[rowsize +1][rowsize +1]) { int temp, i, j; for ( i = 1; i <= rowsize; i++ ) for ( j = 1; j <= rowsize; j++ ) { temp = Rand(); m[i][j] = (temp - (temp/120)*120 - 60)/3; } } void rInnerproduct( float *result, float a[rowsize +1][rowsize +1], float b[rowsize +1][rowsize +1], int row, int column ) { int i; *result = 0.0; for (i = 1; i<=rowsize; i++) *result = *result+a[row][i]*b[i][column]; } void Mm (void) { int i, j; Initrand(); rInitmatrix (rma); rInitmatrix (rmb); for ( i = 1; i <= rowsize; i++ ) for ( j = 1; j <= rowsize; j++ ) rInnerproduct(&rmr[i][j],rma,rmb,i,j); } int Fit (int i, int j) { int k; for ( k = 0; k <= piecemax[i]; k++ ) if ( p[i][k] ) if ( puzzl[j+k] ) return (0); return (1); } int Place (int i, int j) { int k; for ( k = 0; k <= piecemax[i]; k++ ) if ( p[i][k] ) puzzl[j+k] = 1; piececount[class[i]] = piececount[class[i]] - 1; for ( k = j; k <= size; k++ ) if ( ! puzzl[k] ) { return (k); } return (0); } void Remove (int i, int j) { int k; for ( k = 0; k <= piecemax[i]; k++ ) if ( p[i][k] ) puzzl[j+k] = 0; piececount[class[i]] = piececount[class[i]] + 1; } int Trial (int j) { int i, k; kount = kount + 1; for ( i = 0; i <= typemax; i++ ) if ( piececount[class[i]] != 0 ) if ( Fit (i, j) ) { k = Place (i, j); if ( Trial(k) || (k == 0) ) { return (1); } else Remove (i, j); } return (0); } void Puzzle (void) { int i, j, k, m; for ( m = 0; m <= size; m++ ) puzzl[m] = 1; for( i = 1; i <= 5; i++ ) for( j = 1; j <= 5; j++ ) for( k = 1; k <= 5; k++ ) puzzl[i+d*(j+d*k)] = 0; for( i = 0; i <= typemax; i++ ) for( m = 0; m<= size; m++ ) p[i][m] = 0; for( i = 0; i <= 3; i++ ) for( j = 0; j <= 1; j++ ) for( k = 0; k <= 0; k++ ) p[0][i+d*(j+d*k)] = 1; class[0] = 0; piecemax[0] = 3+d*1+d*d*0; for( i = 0; i <= 1; i++ ) for( j = 0; j <= 0; j++ ) for( k = 0; k <= 3; k++ ) p[1][i+d*(j+d*k)] = 1; class[1] = 0; piecemax[1] = 1+d*0+d*d*3; for( i = 0; i <= 0; i++ ) for( j = 0; j <= 3; j++ ) for( k = 0; k <= 1; k++ ) p[2][i+d*(j+d*k)] = 1; class[2] = 0; piecemax[2] = 0+d*3+d*d*1; for( i = 0; i <= 1; i++ ) for( j = 0; j <= 3; j++ ) for( k = 0; k <= 0; k++ ) p[3][i+d*(j+d*k)] = 1; class[3] = 0; piecemax[3] = 1+d*3+d*d*0; for( i = 0; i <= 3; i++ ) for( j = 0; j <= 0; j++ ) for( k = 0; k <= 1; k++ ) p[4][i+d*(j+d*k)] = 1; class[4] = 0; piecemax[4] = 3+d*0+d*d*1; for( i = 0; i <= 0; i++ ) for( j = 0; j <= 1; j++ ) for( k = 0; k <= 3; k++ ) p[5][i+d*(j+d*k)] = 1; class[5] = 0; piecemax[5] = 0+d*1+d*d*3; for( i = 0; i <= 2; i++ ) for( j = 0; j <= 0; j++ ) for( k = 0; k <= 0; k++ ) p[6][i+d*(j+d*k)] = 1; class[6] = 1; piecemax[6] = 2+d*0+d*d*0; for( i = 0; i <= 0; i++ ) for( j = 0; j <= 2; j++ ) for( k = 0; k <= 0; k++ ) p[7][i+d*(j+d*k)] = 1; class[7] = 1; piecemax[7] = 0+d*2+d*d*0; for( i = 0; i <= 0; i++ ) for( j = 0; j <= 0; j++ ) for( k = 0; k <= 2; k++ ) p[d][i+d*(j+d*k)] = 1; class[8] = 1; piecemax[8] = 0+d*0+d*d*2; for( i = 0; i <= 1; i++ ) for( j = 0; j <= 1; j++ ) for( k = 0; k <= 0; k++ ) p[9][i+d*(j+d*k)] = 1; class[9] = 2; piecemax[9] = 1+d*1+d*d*0; for( i = 0; i <= 1; i++ ) for( j = 0; j <= 0; j++ ) for( k = 0; k <= 1; k++ ) p[10][i+d*(j+d*k)] = 1; class[10] = 2; piecemax[10] = 1+d*0+d*d*1; for( i = 0; i <= 0; i++ ) for( j = 0; j <= 1; j++ ) for( k = 0; k <= 1; k++ ) p[11][i+d*(j+d*k)] = 1; class[11] = 2; piecemax[11] = 0+d*1+d*d*1; for( i = 0; i <= 1; i++ ) for( j = 0; j <= 1; j++ ) for( k = 0; k <= 1; k++ ) p[12][i+d*(j+d*k)] = 1; class[12] = 3; piecemax[12] = 1+d*1+d*d*1; piececount[0] = 13; piececount[1] = 3; piececount[2] = 1; piececount[3] = 1; m = 1+d*(1+d*1); kount = 0; if ( Fit(0, m) ) n = Place(0, m); else printf("Error1 in Puzzle\n"); if ( ! Trial(n) ) printf ("Error2 in Puzzle.\n"); else if ( kount != 2005 ) printf ( "Error3 in Puzzle.\n"); } void Initarr(void) { int i, temp; Initrand(); biggest = 0; littlest = 0; for ( i = 1; i <= sortelements; i++ ) { temp = Rand(); sortlist[i] = temp - (temp/100000)*100000 - 50000; if ( sortlist[i] > biggest ) biggest = sortlist[i]; else if ( sortlist[i] < littlest ) littlest = sortlist[i]; } } void Quicksort(int a[], int l, int r) { int i,j,x,w; i=l; j=r; x=a[(l+r) / 2]; do { while ( a[i] biggest ) biggest = sortlist[i]; else if ( sortlist[i] < littlest ) littlest = sortlist[i]; } } void CreateNode(struct node **t, int n) { *t = (struct node *)malloc(sizeof(struct node)); (*t)->left = 0; (*t)->right = 0; (*t)->val = n; } void Insert(int n, struct node *t) { if ( n > t->val ) if ( t->left == 0 ) CreateNode(&t->left,n); else Insert(n,t->left); else if ( n < t->val ) if ( t->right == 0 ) CreateNode(&t->right,n); else Insert(n,t->right); } int Checktree(struct node *p) { int result; result = 1; if ( p->left != 0 ) if ( p->left->val <= p->val ) result=0; else result = Checktree(p->left) && result; if ( p->right != 0 ) if ( p->right->val >= p->val ) result = 0; else result = Checktree(p->right) && result; return( result); } void Trees(void) { int i; tInitarr(); tree = (struct node *)malloc(sizeof(struct node)); tree->left = 0; tree->right=0; tree->val=sortlist[1]; for ( i = 2; i <= sortelements; i++ ) Insert(sortlist[i],tree); if ( ! Checktree(tree) ) printf ( " Error in Tree.\n"); } void bInitarr(void) { int i, temp; Initrand(); biggest = 0; littlest = 0; for ( i = 1; i <= srtelements; i++ ) { temp = Rand(); sortlist[i] = temp - (temp/100000)*100000 - 50000; if ( sortlist[i] > biggest ) biggest = sortlist[i]; else if ( sortlist[i] < littlest ) littlest = sortlist[i]; } } void Bubble(void) { int i, j; bInitarr(); top=srtelements; while ( top>1 ) { i=1; while ( i sortlist[i+1] ) { j = sortlist[i]; sortlist[i] = sortlist[i+1]; sortlist[i+1] = j; } i=i+1; } top=top-1; } if ( (sortlist[1] != littlest) || (sortlist[srtelements] != biggest) ) printf ( "Error3 in Bubble.\n"); } float Cos (float x) { int i, factor; float result,power; result = 1.0; factor = 1; power = x; for ( i = 2; i <= 10; i++ ) { factor = factor * i; power = power*x; if ( (i & 1) == 0 ) { if ( (i & 3) == 0 ) result = result + power/factor; else result = result - power/factor; } } return (result); } int Min0(int arg1, int arg2) { if ( arg1 < arg2 ) return (arg1); else return (arg2); } void Printcomplex( int arg1, int arg2, struct complex zarray[], int start, int finish, int increment ) { int i; printf("\n") ; i = start; do { printf(" %15.3e%15.3e",zarray[i].rp,zarray[i].ip) ; i = i + increment; printf(" %15.3e%15.3e",zarray[i].rp,zarray[i].ip) ; printf("\n"); i = i + increment ; } while ( i <= finish ); } void Uniform11(int iy, float yfl) { iy = (4855*iy + 1731) & 8191; yfl = iy/8192.0; } void Exptab( int n, struct complex e[]) { float theta, divisor, h[26]; int i, j, k, l, m; theta = 3.1415926536; divisor = 4.0; for ( i=1; i <= 25; i++ ) { h[i] = 1/(2*Cos( theta/divisor )); divisor = divisor + divisor; } m = n / 2 ; l = m / 2 ; j = 1 ; e[1].rp = 1.0 ; e[1].ip = 0.0; e[l+1].rp = 0.0; e[l+1].ip = 1.0 ; e[m+1].rp = -1.0 ; e[m+1].ip = 0.0 ; do { i = l / 2 ; k = i ; do { e[k+1].rp = h[j]*(e[k+i+1].rp+e[k-i+1].rp) ; e[k+1].ip = h[j]*(e[k+i+1].ip+e[k-i+1].ip) ; k = k+l ; } while ( k <= m ); j = Min0( j+1, 25); l = i ; } while ( l > 1 ); } void Fft( int n, struct complex z[], struct complex w[], struct complex e[], float sqrinv ) { int i, j, k, l, m, index; m = n / 2 ; l = 1 ; do { k = 0 ; j = l ; i = 1 ; do { do { w[i+k].rp = z[i].rp+z[m+i].rp ; w[i+k].ip = z[i].ip+z[m+i].ip ; w[i+j].rp = e[k+1].rp*(z[i].rp-z[i+m].rp)-e[k+1].ip*(z[i].ip-z[i+m].ip); w[i+j].ip = e[k+1].rp*(z[i].ip-z[i+m].ip)+e[k+1].ip*(z[i].rp-z[i+m].rp); i = i+1 ; } while ( i <= j ); k = j ; j = k+l ; } while ( j <= m ); index = 1; do { z[index] = w[index]; index = index+1; } while ( index <= n ); l = l+l ; } while ( l <= m ); for ( i = 1; i <= n; i++ ) { z[i].rp = sqrinv*z[i].rp ; z[i].ip = -sqrinv*z[i].ip; } } void Oscar(void) { int i; Exptab(fftsize,e); seed = 5767 ; for ( i = 1; i <= fftsize; i++ ) { Uniform11( seed, zr ); Uniform11( seed, zi ); z[i].rp = 20.0*zr - 10.0; z[i].ip = 20.0*zi - 10.0; } for ( i = 1; i <= 20; i++ ) { Fft(fftsize,z,w,e,0.0625) ; #if PRINT Printcomplex(6, 99, z, 1, 256, 17); #endif } } int main(void) { int i; for (i = 0; i < ITERATIONS; i++) { Perm(); #if PRINT PrintPerm(); #endif Towers(); #if PRINT PrintTowers(); #endif Queens(); Intmm(); #if PRINT PrintIntmm(); #endif Mm(); #if PRINT PrintMm(); #endif Puzzle(); #if PRINT PrintPuzzle(); #endif Quick(); #if PRINT PrintSort("Quick"); #endif Bubble(); #if PRINT PrintSort("Bubble"); #endif Trees(); #if PRINT PrintSort("Trees"); printf("\nOscar"); #endif Oscar(); } return 0; } void PrintPerm (void) { int i; printf("\nPerm\n"); for ( i = 1; i < permrange+1; i++ ) { printf("%d\n",permarray[i]); } } void PrintTowers(void) { int i; printf("\nTower\n"); for (i = 1; i < stackrange+1; i++) printf("%d\n",stack[i]); for (i = 1; i < maxcells+1; i++) printf("%d %d\n",cellspace[i].discsize, cellspace[i].next); printf("%d %d\n",freelist,movesdone); } void PrintQueens(int a[], int b[], int c[], int x[]) { int i; printf("\nQueens\n"); for (i = 1; i < 9; i++) printf("%d\n",a[i]); for (i = 2; i < 17; i++) printf("%d\n",b[i]); for (i = 1; i < 15; i++) printf("%d\n",c[i]); for (i = 1; i < 9; i++) printf("%d\n",x[i]); } void PrintIntmm(void) { int i,j; printf("\nIntmm\n"); printf("\n\tima\n"); for (i = 1; i < rowsize + 1; i++) { for (j = 1; j < rowsize + 1; j++) printf("%d\n",ima[i][j]); } printf("\n\timb\n"); for (i = 1; i < rowsize + 1; i++) { for (j = 1; j < rowsize + 1; j++) printf("%d\n",imb[i][j]); } printf("\n\timr\n"); for (i = 1; i < rowsize + 1; i++) { for (j = 1; j < rowsize + 1; j++) printf("%d\n",imr[i][j]); } } void PrintMm(void) { int i,j; printf("\nMm\n"); printf("\n\trma\n"); for (i = 1; i < rowsize + 1; i++) { for (j = 1; j < rowsize + 1; j++) printf("%e\n",rma[i][j]); } printf("\n\trmb\n"); for (i = 1; i < rowsize + 1; i++) { for (j = 1; j < rowsize + 1; j++) printf("%e\n",rmb[i][j]); } printf("\n\trmr\n"); for (i = 1; i < rowsize + 1; i++) { for (j = 1; j < rowsize + 1; j++) printf("%e\n",rmr[i][j]); } } void PrintPuzzle(void) { int i,j; printf("\nPuzzle\n"); printf("piececount\n"); for (i=1; i< classmax+1; i++) printf("%d\n",piececount[i]); printf("class\n"); for (i=1; i< typemax+1; i++) printf("%d\n",class[i]); printf("piecemax\n"); for (i=1; i< typemax+1; i++) printf("%d\n",piecemax[i]); printf("puzzl\n"); for (i=1; i< size+1; i++) printf("%d\n",puzzl[i]); printf("p\n"); for (i=1; i< typemax+1; i++) { for (j = 0; j < size+1; j++) printf("%d\n",p[i][j]); } } void PrintSort(char *s) { int i; printf("\n%s\n",s); for (i = 1; i