forked from morepath/reg
/
perf.py
84 lines (59 loc) · 1.66 KB
/
perf.py
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import timeit
from reg.registry import ClassRegistry
from reg.generic import generic
from reg.compose import CachingClassLookup
from reg.lookup import Lookup
@generic
def args0():
raise NotImplementedError()
@generic
def args1(a):
raise NotImplementedError()
@generic
def args2(a, b):
raise NotImplementedError()
@generic
def args3(a, b, c):
raise NotImplementedError()
@generic
def args4(a, b, c, d):
raise NotImplementedError()
class Foo(object):
pass
def myargs0():
return "args0"
def myargs1(a):
return "args1"
def myargs2(a, b):
return "args2"
def myargs3(a, b, c):
return "args3"
def myargs4(a, b, c, d):
return "args4"
registry = ClassRegistry()
registry.register(args0, (), myargs0)
registry.register(args1, (Foo,), myargs1)
registry.register(args2, (Foo, Foo), myargs2)
registry.register(args3, (Foo, Foo, Foo), myargs3)
registry.register(args4, (Foo, Foo, Foo, Foo), myargs4)
lookup = Lookup(CachingClassLookup(registry))
def docall0():
args0(lookup=lookup)
def docall1():
args1(Foo(), lookup=lookup)
def docall2():
args2(Foo(), Foo(), lookup=lookup)
def docall3():
args3(Foo(), Foo(), Foo(), lookup=lookup)
def docall4():
args4(Foo(), Foo(), Foo(), Foo(), lookup=lookup)
print "0 args"
print timeit.timeit("docall0()", setup="from __main__ import docall0")
print "1 args"
print timeit.timeit("docall1()", setup="from __main__ import docall1")
print "2 args"
print timeit.timeit("docall2()", setup="from __main__ import docall2")
print "3 args"
print timeit.timeit("docall3()", setup="from __main__ import docall3")
print "4 args"
print timeit.timeit("docall4()", setup="from __main__ import docall4")