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Re: Optimising processing for large data files.by tachyon (Chancellor) |
on Apr 10, 2004 at 13:10 UTC ( [id://344120]=note: print w/replies, xml ) | Need Help?? |
Good optimisation. In C you can of course avoid the copy and move overhead of the substr buffer you use and just flip pointers between a pair of buffers to get the sliding window. Runtime on a 1GHz laptop was 10 minutes on a 3GB test file. So the benefits of doing it in C are real but perhaps hardly worth the effort unless saving 20 minutes runtime for adding X minutes coding time makes sense.
cheers tachyon
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