fibonacci example
$ cat fib.py
def fib(n):
if n == 0:
return 0
elif n == 1:
return 1
else:
return fib(n-1) + fib(n-2)
if __name__ == "__main__":
import sys
print(fib(int(sys.argv[1])))
CPython 3.11
$ python fib.py 40 102334155 # mem: 8'816_KB # time: 18.42_s
PyPy 7.3.9
$ pypy fib.py 40 102334155 # mem: 74'596_kB # time: 4.99_s # ~= 3.7x
Codon compiled
$ codon build -release fib.py $ ./fib 40 102334155 # mem: 5'612_kB # time: 0.26_s # ~= 70.8x
Codon with python interpreter
# in fibpy.py, we just add `@python` decorator to fib function $ codon build -release fibpy.py export CODON_PYTHON=/path/to/libpython3.11.so $ ./fibpy 40 102334155 # mem: 12'828 # time: 18.49 # ~= 1x
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