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deque-blog/wasted_lru_cache.py

Last active January 25, 2019 15:55
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wasted_lru_cache.py
@functools.lru_cache(maxsize=2)
def long_computation(arg):
print("Long computation", arg)
return ...
for arg in [1,2,3] * 2:
long_computation(arg)
# Will print (only cache misses!)
"Long computation 1"
"Long computation 2"
"Long computation 3"
"Long computation 1"
"Long computation 2"
"Long computation 3"
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