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Re: uc_width and wcwidth optimization

From: Paolo Bonzini
Subject: Re: uc_width and wcwidth optimization
Date: Thu, 15 Dec 2011 16:50:33 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110930 Thunderbird/7.0.1

On 12/13/2011 11:32 AM, Bruno Haible wrote:

I'm attaching the benchmark program I'm experimenting with. So far, it seems
that locale_charset() is really slow, whereas the is_cjk stuff is not a big
speed problem.

I would love to have locale_charset be either faster or use some thread-safe
cache. Do you have an idea how to realize this?

You can add a uc_width_internal that takes the encoding plus an int *. The pointed value can be "-1" for no cache, "0" for cached not CJK, "1" for cached CJK.


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