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- From: mukesh tiwari <mukeshtiwari.iiitm AT gmail.com>
- To: coq-club AT inria.fr
- Subject: Re: [Coq-Club] : optimized Regexp Library
- Date: Mon, 17 Jan 2022 18:51:23 +0000
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Hi Wendlasida,
You can give StreamMemo [1, 2] a shot. However, I have never used this library, but someone who has used it can offer more insights. In the past, I have written my own memoization function [3], but, I think, [2] will save a lot of time because you don't need to roll your own memoization function. Let me know your experience about this library.
Best,
Mukesh
On Mon, Jan 17, 2022 at 4:20 PM Wendlasida Ouedraogo <ouedraogo.tertius AT gmail.com> wrote:
Dear All,I am currently building on top of coq-contrib/regexp (based on
Janusz Brzozowski's algorithm
("Derivatives of Regular Expressions", Journal of the
ACM 1964)). This contribution is a slightly naive implementation of
Brzozowski derivatives, where derivatives are not simplified and
explode in size. I improved it using the usual approach of smart
constructors to simplify the derivatives. Before investing more
time in this library, I was wondering if there were any other
options.
A known way to optimize derivation of regexps is to memoize the
derivation function. However I am not sure how to do it in Coq in
a simple way (Using an existing library ?). Suggestions would
also be appreciated.--Regards,Wendlasida OUEDRAOGO
- [Coq-Club] : optimized Regexp Library, Wendlasida Ouedraogo, 01/17/2022
- Re: [Coq-Club] : optimized Regexp Library, mukesh tiwari, 01/17/2022
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