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Last active June 6, 2017 15:51
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fib.py
#!/usr/bin/env python
def fib(n):
if n <= 2:
return 1
else:
return fib(n-1) + fib(n-2)
print fib(45)
# > /usr/bin/time ./fib.py
# 1134903170
# 226.28user 0.03system 3:46.92elapsed 99%CPU (0avgtext+0avgdata 6848maxresident)k
# 0inputs+0outputs (0major+928minor)pagefaults 0swaps
# > /usr/bin/time pypy fib.py
# 1134903170
# 22.31user 0.00system 0:22.33elapsed 99%CPU (0avgtext+0avgdata 79600maxresident)k
# 0inputs+0outputs (0major+10265minor)pagefaults 0swaps
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