Re: Parsing using a Graphics Processing Unit (GPU)?

Christopher F Clark <christopher.f.clark@compiler-resources.com>
Wed, 2 Sep 2020 17:57:37 +0300

          From comp.compilers
Related articles
[3 earlier articles]
Re: Parsing using a Graphics Processing Unit (GPU)? DrDiettrich1@netscape.net (Hans-Peter Diettrich) (2020-09-01)
Parsing using a Graphics Processing Unit (GPU)? christopher.f.clark@compiler-resources.com (Christopher F Clark) (2020-09-02)
Re: Parsing using a Graphics Processing Unit (GPU)? elronnd@elronnd.net (Elijah Stone) (2020-09-01)
Re: Parsing using a Graphics Processing Unit (GPU)? arnold@skeeve.com (2020-09-02)
Re: Parsing using a Graphics Processing Unit (GPU)? 0xe2.0x9a.0x9b@gmail.com (Jan Ziak) (2020-09-02)
Re: Parsing using a Graphics Processing Unit (GPU)? costello@mitre.org (Roger L Costello) (2020-09-02)
Re: Parsing using a Graphics Processing Unit (GPU)? christopher.f.clark@compiler-resources.com (Christopher F Clark) (2020-09-02)
Re: Parsing using a Graphics Processing Unit (GPU)? DrDiettrich1@netscape.net (Hans-Peter Diettrich) (2020-09-02)
Re: Parsing using a Graphics Processing Unit (GPU)? christopher.f.clark@compiler-resources.com (Christopher F Clark) (2020-09-03)
Re: Parsing using a Graphics Processing Unit (GPU)? gah4@u.washington.edu (gah4) (2020-09-09)
Re: Parsing using a Graphics Processing Unit (GPU)? monnier@iro.umontreal.ca (Stefan Monnier) (2020-09-22)
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From: Christopher F Clark <christopher.f.clark@compiler-resources.com>
Newsgroups: comp.compilers
Date: Wed, 2 Sep 2020 17:57:37 +0300
Organization: Compilers Central
References: 20-09-001
Injection-Info: gal.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="34224"; mail-complaints-to="abuse@iecc.com"
Keywords: parallel
Posted-Date: 02 Sep 2020 11:49:45 EDT

To follow up on the part of the question about using GPUs to do
arithmetic to implement DFA transitions.


It can "easily" be done. The base ideas can be found in the Wu Mamber
string search algorithm. You treat states like (usually one-hot) bits
in a fixed length (usually one word) bit vector. Your transition
function then simply maps bit vectors to bit vectors. You can do that
as a SIMD instruction, thus it is suitable for a GPU to execute.


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