Brython 3.12.1 performance compared to CPython 3.12.0

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Test Brython
(100 = CPython)
Code
simple assignment44
for i in range(1000000):
    a = 1
augmented assignment51
a = 0
for i in range(1000000):
    a  = 1
augmented assignment and list append597
t = []
i = 0
while i < 100000:
    t.append(i)
    i  = 1
simple assignment to float57
for i in range(1000000):
    a = 1.0
big integers193
n = 60
for i in range(10000):
    2 ** n
hash string506
for i in range(1000000):
    hash('abcdef')
hash float350
for i in range(1000000):
    hash(86.55)
build dictionary338
for i in range(1000000):
    a = {0: 0, 'a': 'a'}
build dictionary 2147
d = {}
for i in range(100000):
    d[i] = i
set dictionary item130
a = {0: 0}
for i in range(1000000):
    a[0] = i
build set595
for i in range(1000000):
    a = {0, 2.7, "x"}
build list35
for i in range(1000000):
    a = [1, 2, 3]
set list item47
a = [0]
for i in range(1000000):
    a[0] = i
list slice126
a = [1, 2, 3]
for i in range(100000):
    a[:]
integer addition50
a, b, c = 1, 2, 3
for i in range(1000000):
    a   b   c
integer float48
a, b = 1, 2.0
for i in range(1000000):
    a   b
float addition62
a, b = 1.0, 2.0
for i in range(1000000):
    a   b
string addition38
a, b, c = 'a', 'b', 'c'
for i in range(1000000):
    a   b   c
cast int to string188
for i in range(100000):
    str(i)
create function without arguments1484
for i in range(1000000):
    def f():
        pass
create function, single positional argument1305
for i in range(1000000):
    def f(x):
        pass
create function, complex arguments1653
for i in range(1000000):
    def f(x, y=1, *args, **kw):
        pass
function call436
def f(x):
    return x
for i in range(1000000):
    f(i)
function call, complex arguments473
def f(x, y=0, *args, **kw):
    return x
for i in range(100000):
    f(i, 5, 6, a=8)
create simple class107
for i in range(10000):
    class A:
        pass
create class with init163
for i in range(10000):
    class A:
        def __init__(self, x):
            self.x = x
create instance of simple class400
class A:
    pass

for i in range(1000000):
    A()
create instance of class with init804
class A:
    def __init__(self):
        pass

for i in range(100000):
    A()
call instance method402
class A:
    
    def f(self):
        pass

a = A()
for i in range(100000):
    a.f()
set instance attribute112
class A:
    pass

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