| March 2002 | Perl Hardware Store | 28 |
Memoize slow functions like gethostbyname.
Memoize to a permanent database and speed up your function forever.
Same technique can be adapted to make a simple profiler
Or call counter
Or call-graph generator
See Philippe Verdret's Hook::PrePostCall module
Memoization is impossible in C
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Copyright © 2002 M-J. Dominus |