def main():
if fat.get_specialized(func) or fat.get_specialized(func2):
print("ERROR: functions already specialized!")
sys.exit(1)
fat.specialize(func2, fast_func2, [fat.GuardArgType(0, (list, ))])
for range_pow10 in (0, 1, 3, 5):
print("range(10 ** %s)" % range_pow10)
dt = bench_list('func', range_pow10)
print("- original bytecode: %s" % format_dt(dt))
dt2 = bench_list('func2', range_pow10)
print("- append=obj.append with guards: %s" % compared_dt(dt2, dt))
dt2 = bench_list('fast_func2', range_pow10)
print("- append=obj.append: %s" % compared_dt(dt2, dt))
def main():
if fat.get_specialized(func) or fat.get_specialized(func2):
print("ERROR: functions already specialized!")
sys.exit(1)
fat.specialize(func2, fast_func2, [fat.GuardArgType(0, (list,))])
for range_pow10 in (0, 1, 3, 5):
print("range(10 ** %s)" % range_pow10)
dt = bench_list('func', range_pow10)
print("- original bytecode: %s" % format_dt(dt))
dt2 = bench_list('func2', range_pow10)
print("- append=obj.append with guards: %s" % compared_dt(dt2, dt))
dt2 = bench_list('fast_func2', range_pow10)
print("- append=obj.append: %s" % compared_dt(dt2, dt))
"""Test whether a path is absolute"""
sep = _get_sep(s)
return s.startswith(sep)
def fast_isabs(s):
"""Test whether a path is absolute"""
sep = _get_sep(s)
return s.startswith(sep)
# Manually inline _get_sep() in isabs() depending on the type of the s argument
def isabs_str(s):
return s.startswith('/')
for func in (_get_sep, isabs, fast_isabs, isabs_str):
if fat.get_specialized(func):
print("ERROR: a function is already specialized!")
sys.exit(1)
fat.specialize(fast_isabs, isabs_str,
[fat.GuardArgType(0, (str,)),
fat.GuardGlobals(('_get_sep',)),
fat.GuardBuiltins(('isinstance',)),
fat.GuardFunc(_get_sep)])
dt = bench("isabs('/abc')")
print("original isabs() bytecode: %s" % format_dt(dt))
dt2 = bench("fast_isabs('/abc')")
print("_get_sep() inlined in isabs(): %s" % compared_dt(dt2, dt))