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# mode: error
cimport cython.parallel.parallel as p
from cython.parallel cimport something
import cython.parallel.parallel as p
from cython.parallel import something
from cython.parallel cimport prange
import cython.parallel
prange(1, 2, 3, schedule='dynamic')
cdef int i
with nogil, cython.parallel.parallel():
for i in prange(10, schedule='invalid_schedule'):
pass
with cython.parallel.parallel():
print "hello world!"
cdef int *x = NULL
with nogil, cython.parallel.parallel():
for j in prange(10):
pass
for x[1] in prange(10):
pass
for x in prange(10):
pass
with cython.parallel.parallel():
pass
with nogil, cython.parallel.parallel:
pass
cdef int y
for i in prange(10, nogil=True):
i = y * 4
y = i
for i in prange(10, nogil=True):
y = i
i = y * 4
y = i
with nogil, cython.parallel.parallel():
i = y
y = i
for i in prange(10, nogil=True):
y += i
y *= i
with nogil, cython.parallel.parallel("invalid"):
pass
with nogil, cython.parallel.parallel(invalid=True):
pass
def f(x):
cdef int i
with nogil, cython.parallel.parallel():
with gil:
yield x
for i in prange(10):
with gil:
yield x
# Disabled nesting:
for i in prange(10, nogil=True):
for y in prange(10):
pass
with nogil, cython.parallel.parallel():
for i in prange(10):
for i in prange(10):
pass
# Assign to private from parallel block in prange:
cdef int myprivate1, myprivate2
with nogil, cython.parallel.parallel():
myprivate1 = 1
for i in prange(10):
myprivate1 = 3
myprivate2 = 4
myprivate2 = 2
# Disallow parallel with block reductions:
i = 0
with nogil, cython.parallel.parallel():
i += 1
# Use of privates after the parallel with block
with nogil, cython.parallel.parallel():
i = 1
print i
i = 2
print i
# Reading of reduction variables in the prange block
cdef int sum = 0
for i in prange(10, nogil=True):
sum += i
with gil:
print sum
for pyobj in prange("hello"):
pass
from cython import parallel
with nogil, parallel.parallel():
for i in parallel.prange(10):
pass
cdef int[:] dst, src = object()
for i in prange(10, nogil=True):
dst = src
for i in prange(10, nogil=True, chunksize=20):
pass
for i in prange(10, nogil=True, schedule='static', chunksize=-1):
pass
for i in prange(10, nogil=True, schedule='runtime', chunksize=10):
pass
cdef int chunksize():
return 10
for i in prange(10, nogil=True, schedule='static', chunksize=chunksize()):
pass
with nogil, cython.parallel.parallel():
with cython.parallel.parallel():
pass
_ERRORS = u"""
3:8: cython.parallel.parallel is not a module
4:0: No such directive: cython.parallel.something
6:7: cython.parallel.parallel is not a module
7:0: No such directive: cython.parallel.something
13:6: prange() can only be used as part of a for loop
13:6: prange() can only be used without the GIL
18:19: Invalid schedule argument to prange: invalid_schedule
21:29: The parallel section may only be used without the GIL
27:8: target may not be a Python object as we don't have the GIL
30:9: Can only iterate over an iteration variable
33:8: Must be of numeric type, not int *
36:33: Nested parallel with blocks are disallowed
39:12: The parallel directive must be called
45:8: local variable 'y' referenced before assignment
55:8: local variable 'y' referenced before assignment
60:4: Reduction operator '*' is inconsistent with previous reduction operator '+'
62:36: cython.parallel.parallel() does not take positional arguments
65:36: Invalid keyword argument: invalid
73:12: 'yield' not allowed in parallel sections
77:16: 'yield' not allowed in parallel sections
97:8: Cannot assign to private of outer parallel block
98:8: Cannot assign to private of outer parallel block
104:4: Reductions not allowed for parallel blocks
110:6: local variable 'i' referenced before assignment
119:14: Cannot read reduction variable in loop body
121:19: prange() can only be used without the GIL
121:20: stop argument must be numeric
131:4: Memoryview slices can only be shared in parallel sections
133:42: Must provide schedule with chunksize
136:62: Chunksize must not be negative
139:62: Chunksize not valid for the schedule runtime
145:70: Calling gil-requiring function not allowed without gil
149:33: Nested parallel with blocks are disallowed
"""
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