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From: Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>
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Subject: Re: What does --errors and --noconsole do?
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Sylvain Hubert schrieb am 04.11.2020 um 22:10:
> On Wed, 4 Nov 2020 at 21:32, Wolfgang Schuster 
> <wolfgang.schuster.lists@gmail.com 
> <mailto:wolfgang.schuster.lists@gmail.com>> wrote:
>
>     4. it performance issues and leads to a noticeable performance drop.
>
>
> This sounds a bit surprising, since intuitively it takes no less 
> effort to deal with the registered key than to determine that a key is 
> not registered.

There was never a real test for the performance but when you enable the 
checker in the example below (which works only with LuaTeX) the second 
list is slower.

% engine=luatex

\starttext

\testfeatureonce{10000}{\getcheckedparameters[test][xx][a=b,c= d, e = f]}

\enablecheckparameters

\testfeatureonce{10000}{\getcheckedparameters[test][xx][a=b,c= d, e = f]}

\stoptext

Wolfgang


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<html theme="default-light"><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head><body text="#000000"><span>Sylvain Hubert schrieb am 04.11.2020 
um 22:10:</span><br>
<blockquote type="cite" 
cite="mid:CACNy3NCtuh8UjADnFd5h+uJSXkEiebrNVeLo0N=tT6COwO5Gog@mail.gmail.com">
  <meta http-equiv="content-type" content="text/html; charset=utf-8">
  <div dir="ltr"><div class="gmail_quote"><div dir="ltr" 
class="gmail_attr">On Wed, 4 Nov 2020 at 21:32, Wolfgang Schuster &lt;<a
 href="mailto:wolfgang.schuster.lists@gmail.com" target="_blank" 
moz-do-not-send="true">wolfgang.schuster.lists@gmail.com</a>&gt; wrote:<br></div><blockquote
 class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px 
solid rgb(204,204,204);padding-left:1ex">
4. it performance issues and leads to a noticeable performance drop.<br></blockquote><div><br></div><div>This
 sounds a bit surprising, since intuitively it takes no less effort to 
deal with the registered key than to determine that a key is not 
registered.</div></div></div>
</blockquote>
<br>
There was never a real test for the performance but when you enable the 
checker in the example below (which works only with LuaTeX) the second 
list is slower.<br>
<br>
% engine=luatex<br>
<br>
\starttext<br>
<br>
\testfeatureonce{10000}{\getcheckedparameters[test][xx][a=b,c= d, e = 
f]}<br>
<br>
\enablecheckparameters<br>
<br>
\testfeatureonce{10000}{\getcheckedparameters[test][xx][a=b,c= d, e = 
f]}<br>
<br>
\stoptext<br>
<br>
Wolfgang<br>
<br>
</body></html>

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