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000053_mackay@cs.washington.edu_Wed Mar 8 07:58:29 1995.msg
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Date: Wed, 8 Mar 1995 15:58:29 -0800
From: mackay@cs.washington.edu (Pierre MacKay)
Message-Id: <199503082358.PAA05346@june.cs.washington.edu>
To: manuel@CS.Berkeley.EDU
Cc: tex-k@cs.umb.edu
In-Reply-To: Manuel Fahndrich's message of Wed, 8 Mar 1995 15:05:37 -0800 <199503082305.PAA05463@gaston.CS.Berkeley.EDU>
Subject: Re: slow path searching on HP 9000/700 series
2.5 against 2.37 is about what I would expect out of the slightly
greater effort that font searching through a larger ls-R database
entails. TeX3.14t3 was relatively primitive in that respect. You
had less flexibility in how you could specify paths, but it did
mean that following them was pretty simple.
It doesn't help very much, but I suspect the chief culprit is
nfss2. LaTeX209 has nearly all needed fonts statically preloaded.
nfss2 must leave most of the font array open, otherwise switches
from one face to another would run out the end of available
font memory all too soon.
It might be possible to speed things up by dumping a LaTeX format from
a source file which includes a whole lot of font-loading sequences
corresponding to the fonts you normally use. I am not really a LaTeX kind
of guy, but I do something similar in my own book-formatting package.
Actually I dump a separate format for each major typesetting job.
It's a great accelerator.
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