Subversion Repositories openrisc_2011-10-31

/a.2.1.c

a.2.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.21.1.c =================================================================== --- a.21.1.c (nonexistent) +++ a.21.1.c (revision 338) @@ -0,0 +1,25 @@ +/* { dg-do run } */ + +#include +void +work (int k) +{ +#pragma omp ordered + printf (" %d\n", k); +} + +void +a21 (int lb, int ub, int stride) +{ + int i; +#pragma omp parallel for ordered schedule(dynamic) + for (i = lb; i < ub; i += stride) + work (i); +} + +int +main () +{ + a21 (0, 100, 5); + return 0; +}

a.21.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.3.1.c =================================================================== --- a.3.1.c (nonexistent) +++ a.3.1.c (revision 338) @@ -0,0 +1,11 @@ +/* { dg-do run } */ + +#include +int +main () +{ +# ifdef _OPENMP + printf ("Compiled by an OpenMP-compliant implementation.\n"); +# endif + return 0; +}

a.3.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.4.1.c =================================================================== --- a.4.1.c (nonexistent) +++ a.4.1.c (revision 338) @@ -0,0 +1,38 @@ +/* { dg-do run } */ + +#include +extern void abort (void); +void +subdomain (float *x, int istart, int ipoints) +{ + int i; + for (i = 0; i < ipoints; i++) + x[istart + i] = 123.456; +} + +void +sub (float *x, int npoints) +{ + int iam, nt, ipoints, istart; +#pragma omp parallel default(shared) private(iam,nt,ipoints,istart) + { + iam = omp_get_thread_num (); + nt = omp_get_num_threads (); + ipoints = npoints / nt; /* size of partition */ + istart = iam * ipoints; /* starting array index */ + if (iam == nt - 1) /* last thread may do more */ + ipoints = npoints - istart; + subdomain (x, istart, ipoints); + } +} +int +main () +{ + int i; + float array[10000]; + sub (array, 10000); + for (i = 0; i < 10000; i++) + if (array[i] < 123.45 || array[i] > 123.46) + abort (); + return 0; +}

a.4.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.40.1.c =================================================================== --- a.40.1.c (nonexistent) +++ a.40.1.c (revision 338) @@ -0,0 +1,48 @@ +/* { dg-do compile } */ + +#include +typedef struct +{ + int a, b; + omp_nest_lock_t lck; +} pair; +int work1 (); +int work2 (); +int work3 (); +void +incr_a (pair * p, int a) +{ + /* Called only from incr_pair, no need to lock. */ + p->a += a; +} + +void +incr_b (pair * p, int b) +{ + /* Called both from incr_pair and elsewhere, */ + /* so need a nestable lock. */ + omp_set_nest_lock (&p->lck); + p->b += b; + omp_unset_nest_lock (&p->lck); +} + +void +incr_pair (pair * p, int a, int b) +{ + omp_set_nest_lock (&p->lck); + incr_a (p, a); + incr_b (p, b); + omp_unset_nest_lock (&p->lck); +} + +void +a40 (pair * p) +{ +#pragma omp parallel sections + { +#pragma omp section + incr_pair (p, work1 (), work2 ()); +#pragma omp section + incr_b (p, work3 ()); + } +}

a.40.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.5.1.c =================================================================== --- a.5.1.c (nonexistent) +++ a.5.1.c (revision 338) @@ -0,0 +1,13 @@ +/* { dg-do run } */ + +#include +int +main () +{ + omp_set_dynamic (1); +#pragma omp parallel num_threads(10) + { + /* do work here */ + } + return 0; +}

a.5.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.15.1.c =================================================================== --- a.15.1.c (nonexistent) +++ a.15.1.c (revision 338) @@ -0,0 +1,44 @@ +/* { dg-do run } */ + +#include + +void +work (int n) +{ + printf ("[%d of %d], nested = %d, n = %d\n", omp_get_thread_num (), omp_get_num_threads(), omp_get_nested (), n); +} + +void +sub3 (int n) +{ + work (n); +#pragma omp barrier + work (n); +} + +void +sub2 (int k) +{ +#pragma omp parallel shared(k) + sub3 (k); +} + +void +sub1 (int n) +{ + int i; +#pragma omp parallel private(i) shared(n) + { +#pragma omp for + for (i = 0; i < n; i++) + sub2 (i); + } +} +int +main () +{ + sub1 (2); + sub2 (15); + sub3 (20); + return 0; +}

a.15.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.16.1.c =================================================================== --- a.16.1.c (nonexistent) +++ a.16.1.c (revision 338) @@ -0,0 +1,47 @@ +/* { dg-do run } */ + +#include + +float +work1 (int i) +{ + return 1.0 * i; +} + +float +work2 (int i) +{ + return 2.0 * i; +} + +void +a16 (float *x, float *y, int *index, int n) +{ + int i; +#pragma omp parallel for shared(x, y, index, n) + for (i = 0; i < n; i++) + { +#pragma omp atomic + x[index[i]] += work1 (i); + y[i] += work2 (i); + } +} +int +main () +{ + float x[1000]; + float y[10000]; + int index[10000]; + int i; + for (i = 0; i < 10000; i++) + { + index[i] = i % 1000; + y[i] = 0.0; + } + for (i = 0; i < 1000; i++) + x[i] = 0.0; + a16 (x, y, index, 10000); + for (i = 0; i < 10; i++) + printf ("x[%d] = %f, y[%d] = %f\n", i, x[i], i, y[i]); + return 0; +}

a.16.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.26.1.c =================================================================== --- a.26.1.c (nonexistent) +++ a.26.1.c (revision 338) @@ -0,0 +1,17 @@ +/* { dg-do run } */ + +#include +int +main () +{ + int i, j; + i = 1; + j = 2; +#pragma omp parallel private(i) firstprivate(j) + { + i = 3; + j = j + 2; + } + printf ("%d %d\n", i, j); /* i and j are undefined */ + return 0; +}

a.26.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.33.3.c =================================================================== --- a.33.3.c (nonexistent) +++ a.33.3.c (revision 338) @@ -0,0 +1,16 @@ +/* { dg-do compile } */ + +#include +#include +#include +omp_lock_t * +new_lock () +{ + omp_lock_t *lock_ptr; +#pragma omp single copyprivate(lock_ptr) + { + lock_ptr = (omp_lock_t *) malloc (sizeof (omp_lock_t)); + omp_init_lock (lock_ptr); + } + return lock_ptr; +}

a.33.3.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.18.1.c =================================================================== --- a.18.1.c (nonexistent) +++ a.18.1.c (revision 338) @@ -0,0 +1,67 @@ +/* { dg-do run } */ + +#include +#include + +extern void abort (void); + +#define NUMBER_OF_THREADS 4 + +int synch[NUMBER_OF_THREADS]; +int work[NUMBER_OF_THREADS]; +int result[NUMBER_OF_THREADS]; +int +fn1 (int i) +{ + return i * 2; +} + +int +fn2 (int a, int b) +{ + return a + b; +} + +int +main () +{ + int i, iam, neighbor; + omp_set_num_threads (NUMBER_OF_THREADS); +#pragma omp parallel private(iam,neighbor) shared(work,synch) + { + iam = omp_get_thread_num (); + synch[iam] = 0; +#pragma omp barrier + /*Do computation into my portion of work array */ + work[iam] = fn1 (iam); + /* Announce that I am done with my work. The first flush + * ensures that my work is made visible before synch. + * The second flush ensures that synch is made visible. + */ +#pragma omp flush(work,synch) + synch[iam] = 1; +#pragma omp flush(synch) + /* Wait for neighbor. The first flush ensures that synch is read + * from memory, rather than from the temporary view of memory. + * The second flush ensures that work is read from memory, and + * is done so after the while loop exits. + */ + neighbor = (iam > 0 ? iam : omp_get_num_threads ()) - 1; + while (synch[neighbor] == 0) + { +#pragma omp flush(synch) + } +#pragma omp flush(work,synch) + /* Read neighbor's values of work array */ + result[iam] = fn2 (work[neighbor], work[iam]); + } + /* output result here */ + for (i = 0; i < NUMBER_OF_THREADS; i++) + { + neighbor = (i > 0 ? i : NUMBER_OF_THREADS) - 1; + if (result[i] != i * 2 + neighbor * 2) + abort (); + } + + return 0; +}

a.18.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.36.1.c =================================================================== --- a.36.1.c (nonexistent) +++ a.36.1.c (revision 338) @@ -0,0 +1,31 @@ +/* { dg-do run } */ + +#include +#include +void +do_by_16 (float *x, int iam, int ipoints) +{ +} + +void +a36 (float *x, int npoints) +{ + int iam, ipoints; + omp_set_dynamic (0); + omp_set_num_threads (16); +#pragma omp parallel shared(x, npoints) private(iam, ipoints) + { + if (omp_get_num_threads () != 16) + abort (); + iam = omp_get_thread_num (); + ipoints = npoints / 16; + do_by_16 (x, iam, ipoints); + } +} + +int main() +{ + float a[10]; + a36 (a, 10); + return 0; +}

a.36.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.19.1.c =================================================================== --- a.19.1.c (nonexistent) +++ a.19.1.c (revision 338) @@ -0,0 +1,55 @@ +/* { dg-do run } */ + +int x, *p = &x; +extern void abort (void); +void +f1 (int *q) +{ + *q = 1; +#pragma omp flush + /* x, p, and *q are flushed */ + /* because they are shared and accessible */ + /* q is not flushed because it is not shared. */ +} + +void +f2 (int *q) +{ +#pragma omp barrier + *q = 2; +#pragma omp barrier + /* a barrier implies a flush */ + /* x, p, and *q are flushed */ + /* because they are shared and accessible */ + /* q is not flushed because it is not shared. */ +} + +int +g (int n) +{ + int i = 1, j, sum = 0; + *p = 1; +#pragma omp parallel reduction(+: sum) num_threads(2) + { + f1 (&j); + /* i, n and sum were not flushed */ + /* because they were not accessible in f1 */ + /* j was flushed because it was accessible */ + sum += j; + f2 (&j); + /* i, n, and sum were not flushed */ + /* because they were not accessible in f2 */ + /* j was flushed because it was accessible */ + sum += i + j + *p + n; + } + return sum; +} + +int +main () +{ + int result = g (10); + if (result != 30) + abort (); + return 0; +}

a.19.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.29.1.c =================================================================== --- a.29.1.c (nonexistent) +++ a.29.1.c (revision 338) @@ -0,0 +1,30 @@ +/* { dg-do run } */ + +#include +int A[2][2] = { 1, 2, 3, 4 }; +void +f (int n, int B[n][n], int C[]) +{ + int D[2][2] = { 1, 2, 3, 4 }; + int E[n][n]; + assert (n >= 2); + E[1][1] = 4; +#pragma omp parallel firstprivate(B, C, D, E) + { + assert (sizeof (B) == sizeof (int (*)[n])); + assert (sizeof (C) == sizeof (int *)); + assert (sizeof (D) == 4 * sizeof (int)); + assert (sizeof (E) == n * n * sizeof (int)); + /* Private B and C have values of original B and C. */ + assert (&B[1][1] == &A[1][1]); + assert (&C[3] == &A[1][1]); + assert (D[1][1] == 4); + assert (E[1][1] == 4); + } +} +int +main () +{ + f (2, A, A[0]); + return 0; +}

a.29.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: a.39.1.c =================================================================== --- a.39.1.c (nonexistent) +++ a.39.1.c (revision 338) @@ -0,0 +1,38 @@ +/* { dg-do run } */ + +#include +#include +void +skip (int i) +{ +} + +void +work (int i) +{ +} +int +main () +{ + omp_lock_t lck; + int id; + omp_init_lock (&lck); +#pragma omp parallel shared(lck) private(id) + { + id = omp_get_thread_num (); + omp_set_lock (&lck); + /* only one thread at a time can execute this printf */ + printf ("My thread id is %d.\n", id); + omp_unset_lock (&lck); + while (!omp_test_lock (&lck)) + { + skip (id); /* we do not yet have the lock, + so we must do something else */ + } + work (id); /* we now have the lock + and can do the work */ + omp_unset_lock (&lck); + } + omp_destroy_lock (&lck); + return 0; +}

a.39.1.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property