How to implement Multi-Threads in Common Lisp

Question

It seems there're already several thread implementations, as I noticed there're Bordeaux Threads, Portable-Threads, and 《The Common Lisp Cook Book》 also gives a way to implement multi-threads, the package mp which I don't known how to involve it in my program, I can't find this package.

The problem is how can I choose a proper multi-threads library to meet my demand, as I'm also a C programmer, it's better like pthread, but it doesn't matter, I wonder which it's the most used multi-threads library, or what is the regular way for multi-threads programming in Common Lisp.

Daimrod · Accepted Answer · 2011-12-24 12:42:46Z

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According to Quicklisp stats for November bordeaux-threads is heavily used but I don't see portable-threads or any other implementations. So I guess you could try it and see if it meets your needs and look for another implementation if it doesn't.

I've barely used it but I've found it easy to use and the API documentation is rather clear.

answered Dec 24, 2011 at 12:42

Daimrod

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levin li Over a year ago

Thanks, I will try bordeaux-threads, its API documentation is really clear.

Marcin · Accepted Answer · 2011-12-24 13:24:22Z

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Actually, the de facto threading standard for Common Lisp is Bordeaux Threads (bt), which is a portability layer over threading APIs of different implementations.

mp (which stands for multi-processing) is how threading API is called in LispWorks (and, if I'm not mistaken, Franz CL). You can use it directly (just like sb-thread in SBCL), if you are developing for some specific implementation, or you can rely on bt, if you aim for portability across all currently active implementations with threading support (CLISP doesn't have it at all).

edited Dec 24, 2011 at 13:24

Marcin

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answered Dec 24, 2011 at 12:45

Vsevolod Dyomkin

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2 Comments

levin li Over a year ago

I'm not sure whether there's a spell mistake you said about LispWords, I only heard about LispWorks, which is a commercial implementation, maybe I can't use it for development, as I can't afford the high price of LispWorks, I'd try Bordeaux Threads since so many people use it, thanks.

Vsevolod Dyomkin Over a year ago

Yes, LispWorks is one of the commercial CL implementations. It also has a limited free version, which is called Personal Edition.

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