# On macOS Catalina, Python 3.12, Intel i9, Terminal, Apple MacBook Pro.
# The main development machine, whose results are posted in the book.


# timer

~/.../LP6E/Chapter21$ python3 timer_tests.py 
Python 3.12.2 on darwin
forLoop  : 0.26172 => [0…9999]
listComp : 0.21396 => [0…9999]
mapCall  : 0.14579 => [0…9999]
genExpr  : 0.40869 => [0…9999]
genFunc  : 0.41037 => [0…9999]
All results same.

~/.../LP6E/Chapter21$ python3 timer_tests2.py 
Python 3.12.2 on darwin
forLoop  : 0.28731 => [10…10009]
listComp : 0.24670 => [10…10009]
mapCall  : 0.49116 => [10…10009]
genExpr  : 0.44572 => [10…10009]
genFunc  : 0.45115 => [10…10009]
All results same.

~/.../LP6E/Chapter21$ python3 timer_tests3.py 
Python 3.12.2 on darwin
forLoop  : 0.36293 => [0…9999]
listComp : 0.31024 => [0…9999]
mapCall  : 0.36537 => [0…9999]
genExpr  : 0.51059 => [0…9999]
genFunc  : 0.51390 => [0…9999]
All results same.


# pybench
 
~/.../LP6E/Chapter21$ python3 pybench_tests.py 
Python 3.12.2 on darwin at Jul-01-2024, 09:22:28
0.0531  '[x ** 2 for x in range(1000)]'
0.0611  'res=[]\nfor x in range(1000): res.append(x ** 2)'
0.0789  'list(map(lambda x: x ** 2, range(1000)))'
0.0737  'list(x ** 2 for x in range(1000))'
0.3984  "s = 'hack' * 2500\nx = [s[i] for i in range(10_000)]"
0.7814  "s = '?'\nfor i in range(10_000): s += '?'"

~/.../LP6E/Chapter21$ python3 pybench_tests2.py 
Python 3.12.2 on darwin at Jul-01-2024, 09:22:55
0.0734  '{x ** 2 for x in range(1000)}'
0.0935  'set(x ** 2 for x in range(1000))'
0.0819  's=set()\nfor x in range(1000): s.add(x ** 2)'
0.0739  '{x: x ** 2 for x in range(1000)}'
0.1161  'dict((x, x ** 2) for x in range(1000))'
0.0747  'd={}\nfor x in range(1000): d[x] = x ** 2'

~/.../LP6E/Chapter21$ python3 pybench_tests3.py 
Python 3.12.2 on darwin at Jul-01-2024, 09:23:29
0.2834  "res=[]\nfor x in 'hack' * 2500: res.append(ord(x))"
0.2184  "[ord(x) for x in 'hack' * 2500]"
0.1421  "list(map(ord, 'hack' * 2500))"
0.4079  "list(ord(x) for x in 'hack' * 2500)"