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|
# tag: pstats
# cython: profile = True
# cython: binding = False
__doc__ = u"""
>>> import os, tempfile, cProfile as profile, pstats
>>> statsfile = tempfile.mkstemp()[1]
>>> profile.runctx("test_profile(100)", locals(), globals(), statsfile)
>>> s = pstats.Stats(statsfile)
>>> short_stats = dict([(k[2], v[1]) for k,v in s.stats.items()])
>>> short_stats['f_def']
100
>>> short_stats['f_cdef']
100
>>> short_stats['f_cpdef']
200
>>> short_stats['f_cpdef (wrapper)']
100
>>> short_stats['f_inline']
100
>>> short_stats['f_inline_prof']
100
>>> short_stats['f_noprof']
Traceback (most recent call last):
...
KeyError: 'f_noprof'
>>> short_stats['f_raise']
100
>>> short_stats['withgil_prof']
100
>>> short_stats['withgil_noprof']
Traceback (most recent call last):
...
KeyError: 'withgil_noprof'
>>> short_stats['nogil_prof']
Traceback (most recent call last):
...
KeyError: 'nogil_prof'
>>> short_stats['nogil_noprof']
Traceback (most recent call last):
...
KeyError: 'nogil_noprof'
>>> short_stats['f_raise']
100
>>> short_stats['m_def']
200
>>> short_stats['m_cdef']
100
>>> short_stats['m_cpdef']
200
>>> short_stats['m_cpdef (wrapper)']
100
>>> try:
... os.unlink(statsfile)
... except:
... pass
>>> sorted(callees(s, 'test_profile')) #doctest: +NORMALIZE_WHITESPACE
['f_cdef', 'f_cpdef', 'f_cpdef (wrapper)', 'f_def',
'f_inline', 'f_inline_prof',
'f_raise',
'm_cdef', 'm_cpdef', 'm_cpdef (wrapper)', 'm_def',
'withgil_prof']
>>> profile.runctx("test_generators()", locals(), globals(), statsfile)
>>> s = pstats.Stats(statsfile)
>>> short_stats = dict([(k[2], v[1]) for k,v in s.stats.items()])
>>> short_stats['generator']
3
>>> short_stats['generator_exception']
2
>>> short_stats['genexpr']
11
>>> sorted(callees(s, 'test_generators'))
['call_generator', 'call_generator_exception', 'generator_expr']
>>> list(callees(s, 'call_generator'))
['generator']
>>> list(callees(s, 'generator'))
[]
>>> list(callees(s, 'generator_exception'))
[]
>>> list(callees(s, 'generator_expr'))
['genexpr']
>>> list(callees(s, 'genexpr'))
[]
>>> def python_generator():
... yield 1
... yield 2
>>> def call_python_generator():
... list(python_generator())
>>> profile.runctx("call_python_generator()", locals(), globals(), statsfile)
>>> python_stats = pstats.Stats(statsfile)
>>> python_stats_dict = dict([(k[2], v[1]) for k,v in python_stats.stats.items()])
>>> profile.runctx("call_generator()", locals(), globals(), statsfile)
>>> cython_stats = pstats.Stats(statsfile)
>>> cython_stats_dict = dict([(k[2], v[1]) for k,v in cython_stats.stats.items()])
>>> python_stats_dict['python_generator'] == cython_stats_dict['generator']
True
>>> try:
... os.unlink(statsfile)
... except:
... pass
"""
cimport cython
def callees(pstats, target_caller):
pstats.calc_callees()
for (_, _, caller), callees in pstats.all_callees.items():
if caller == target_caller:
for (file, line, callee) in callees.keys():
if 'pyx' in file:
yield callee
def test_profile(long N):
cdef long i, n = 0
cdef A a = A()
for i from 0 <= i < N:
n += f_def(i)
n += f_cdef(i)
n += f_cpdef(i)
n += (<object>f_cpdef)(i)
n += f_inline(i)
n += f_inline_prof(i)
n += f_noprof(i)
n += nogil_noprof(i)
n += nogil_prof(i)
n += withgil_noprof(i)
n += withgil_prof(i)
n += a.m_def(i)
n += (<object>a).m_def(i)
n += a.m_cpdef(i)
n += (<object>a).m_cpdef(i)
n += a.m_cdef(i)
try:
n += f_raise(i+2)
except RuntimeError:
pass
return n
def f_def(long a):
return a
cdef long f_cdef(long a):
return a
cpdef long f_cpdef(long a):
return a
cdef inline long f_inline(long a):
return a
@cython.profile(True)
cdef inline long f_inline_prof(long a):
return a
@cython.profile(False)
cdef int f_noprof(long a):
return a
cdef long f_raise(long) except -2:
raise RuntimeError
@cython.profile(False)
cdef int withgil_noprof(long a) with gil:
return (a)
@cython.profile(True)
cdef int withgil_prof(long a) with gil:
return (a)
@cython.profile(False)
cdef int nogil_noprof(long a) nogil:
return a
@cython.profile(True)
cdef int nogil_prof(long a) nogil:
return a
cdef class A(object):
def m_def(self, long a):
return a
cpdef m_cpdef(self, long a):
return a
cdef m_cdef(self, long a):
return a
def test_generators():
call_generator()
call_generator_exception()
generator_expr()
def call_generator():
list(generator())
def generator():
yield 1
yield 2
def call_generator_exception():
try:
list(generator_exception())
except ValueError:
pass
def generator_exception():
yield 1
raise ValueError(2)
def generator_expr():
e = (x for x in range(10))
return sum(e)
|
