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by dr_zoidberg
3798 days ago
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On my first job we had to calculate a lot of MD5's for integrity checks after some downloads (it was completely useless, but part of the protocol). They used the so called "fastest C implementad MD5 program for windows". I outperformed it by 20% with a Python script that used hashlib.md5() and read the file in 1 MiB chunks. Turns out the C program was reading in small (can't remember if it was 1, 2 or 4) KiB chunks, apparently an artifact from older times, while Python handled the disk read a lot better. I was hailed as a hero by my coworkers for speeding up the checks with the "slow" programming language. TL;DR: things get faster if you know the machine you're working on and how to use it best, regardless of the programming language. |
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