Commit 84ee26c5 authored by Mark Florisson's avatar Mark Florisson

OpenMP header pxd

parent 0994de57
cdef extern from "omp.h":
ctypedef struct omp_lock_t
ctypedef struct omp_nest_lock_t
ctypedef enum omp_sched_t:
omp_sched_static = 1,
omp_sched_dynamic = 2,
omp_sched_guided = 3,
omp_sched_auto = 4
extern void omp_set_num_threads(int)
extern int omp_get_num_threads()
extern int omp_get_max_threads()
extern int omp_get_thread_num()
extern int omp_get_num_procs()
extern int omp_in_parallel()
extern void omp_set_dynamic(int)
extern int omp_get_dynamic()
extern void omp_set_nested(int)
extern int omp_get_nested()
extern void omp_init_lock(omp_lock_t *)
extern void omp_destroy_lock(omp_lock_t *)
extern void omp_set_lock(omp_lock_t *)
extern void omp_unset_lock(omp_lock_t *)
extern int omp_test_lock(omp_lock_t *)
extern void omp_init_nest_lock(omp_nest_lock_t *)
extern void omp_destroy_nest_lock(omp_nest_lock_t *)
extern void omp_set_nest_lock(omp_nest_lock_t *)
extern void omp_unset_nest_lock(omp_nest_lock_t *)
extern int omp_test_nest_lock(omp_nest_lock_t *)
extern double omp_get_wtime()
extern double omp_get_wtick()
void omp_set_schedule(omp_sched_t, int)
void omp_get_schedule(omp_sched_t *, int *)
int omp_get_thread_limit()
void omp_set_max_active_levels(int)
int omp_get_max_active_levels()
int omp_get_level()
int omp_get_ancestor_thread_num(int)
int omp_get_team_size(int)
int omp_get_active_level()
......@@ -4,6 +4,7 @@
cimport cython.parallel
from cython.parallel import prange, threadid
cimport openmp
from libc.stdlib cimport malloc, free
from libc.stdio cimport puts
cimport numpy as np
......@@ -67,23 +68,24 @@ def test_nested_prange():
return sum
# threadsavailable test, disable this for now as it won't compile
#def test_parallel():
# """
# >>> test_parallel()
# """
# cdef int *buf = <int *> malloc(sizeof(int) * threadsavailable())
#
# if buf == NULL:
# raise MemoryError
#
# with nogil, cython.parallel.parallel:
# buf[threadid()] = threadid()
#
# for i in range(threadsavailable()):
# assert buf[i] == i
#
# free(buf)
def test_parallel():
"""
>>> test_parallel()
"""
cdef int maxthreads = openmp.omp_get_max_threads()
cdef int *buf = <int *> malloc(sizeof(int) * maxthreads)
if buf == NULL:
raise MemoryError
with nogil, cython.parallel.parallel:
buf[threadid()] = threadid()
for i in range(maxthreads):
assert buf[i] == i
free(buf)
def test_unsigned_operands():
"""
......@@ -230,3 +232,4 @@ def test_parallel_numpy_arrays():
for i in x:
print x
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