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Re: Fluids


From: Ken Raeburn
Subject: Re: Fluids
Date: Sun, 14 Feb 2010 14:09:44 -0500

On Feb 14, 2010, at 10:50, Andy Wingo wrote:
> My only qualm regards the number of potential pthread_key variables. My
> current emacs session has about 15K functions and 7K variables. Does the
> pthread_key mechanism scale well to this number of thread-local
> variables?

Repeating the IRC info, for the rest of the audience:

POSIX implementations are allowed to impose a limit of as little as 128 keys.  
It looks like glibc's limit (PTHREAD_KEYS_MAX) is 1024 on the box I'm looking 
at, and Mac OS X uses 512.  So, no, it won't scale.

Ken



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