Brython 3.12.3 performance compared to CPython 3.12.0

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05/03/2024 10:56

Test Brython
(100 = CPython)
Code
simple assignment44
for i in range(1000000):
    a = 1
augmented assignment68
a = 0
for i in range(1000000):
    a += 1
augmented assignment and list append548
t = []
i = 0
while i < 100000:
    t.append(i)
    i += 1
simple assignment to float57
for i in range(1000000):
    a = 1.0
big integers297
n = 60
for i in range(10000):
    2 ** n
hash string211
for i in range(1000000):
    hash('abcdef')
hash float175
for i in range(1000000):
    hash(86.55)
build dictionary246
for i in range(1000000):
    a = {0: 0, 'a': 'a'}
build dictionary 2134
d = {}
for i in range(100000):
    d[i] = i
set dictionary item159
a = {0: 0}
for i in range(1000000):
    a[0] = i
build set732
for i in range(1000000):
    a = {0, 2.7, "x"}
build list62
for i in range(1000000):
    a = [1, 2, 3]
set list item53
a = [0]
for i in range(1000000):
    a[0] = i
list slice201
a = [1, 2, 3]
for i in range(100000):
    a[:]
integer addition62
a, b, c = 1, 2, 3
for i in range(1000000):
    a + b + c
integer + float53
a, b = 1, 2.0
for i in range(1000000):
    a + b
float addition64
a, b = 1.0, 2.0
for i in range(1000000):
    a + b
string addition39
a, b, c = 'a', 'b', 'c'
for i in range(1000000):
    a + b + c
cast int to string168
for i in range(100000):
    str(i)
create function without arguments251
for i in range(1000000):
    def f():
        pass
create function, single positional argument236
for i in range(1000000):
    def f(x):
        pass
create function, complex arguments228
for i in range(1000000):
    def f(x, y=1, *args, **kw):
        pass
function call434
def f(x):
    return x
for i in range(1000000):
    f(i)
function call, complex arguments285
def f(x, y=0, *args, **kw):
    return x
for i in range(100000):
    f(i, 5, 6, a=8)
create simple class513
for i in range(10000):
    class A:
        pass
create class with init490
for i in range(10000):
    class A:
        def __init__(self, x):
            self.x = x
create instance of simple class508
class A:
    pass

for i in range(1000000):
    A()
create instance of class with init587
class A:
    def __init__(self):
        pass

for i in range(100000):
    A()
call instance method668
class A:
    
    def f(self):
        pass

a = A()
for i in range(100000):
    a.f()
set instance attribute192
class A:
    pass

a = A()
for i in range(100000):
    a.x = i