Hi,
Sum up:
define a font usng typescripts takes 64.797 seconds.
define a font like \definefont[a][file:SimSun.ttf] takes 55.548 seconds
define a font like \definefont[a][file:SimSun] takes 4.329 seconds
define a font like \font\a="[simsun]" takes 1.812 seconds
Jonathan and Jin-Hwan, sorry for the noise. I am now sure that it is a
context bug, not xetex's.
Yue Wang
2009/5/12 Yue Wang <yuleo...@gmail.com>:
> Hi, Hans and Jonathan:
>
> I made some testing samples in ConTeXt to test XeTeX. but the result
> is quite strange. All benchmark are get from the second run:
>
> Sample 1:
>
> \definefont[a][file:SimSun]
> \starttext
> \dorecurse{10000}{ hello {\a 你好}}
> \stoptext
>
> And here is the result:
>
> XeTeX: TeXExec | runtime: 7.25
> LuaTeX: MTXrun | total runtime: 6.719
>
> This is considerablly ok. So we can say that the font switching is pretty
> fast.
>
> Sample 2:
>
> \definefont[a][file:AdobeSongStd-Light.otf]
> \starttext
> \dorecurse{10000}{ hello {\a 你好}}
> \stoptext
>
> XeTeX: TeXExec | runtime: 63.65
> LuaTeX: MTXrun | total runtime: 8.156
>
> Here I only change the font from SimSun to Adobe Song (the two fonts
> are almost at the same sice [~10M]).
> But the xetex result is very differt from the previous run. it
> consumes one minute to compile the file.
>
>
> Sample 3:
>
>
> \starttypescript[serif] [myzhfont]
> \definefontsynonym [Serif] [file:SimSun]
> \definefontsynonym [SerifBold] [file:SimSun]
> \definefontsynonym [SerifItalic] [file:SimSun]
> \definefontsynonym [SerifBoldItalic] [file:SimSun]
> \stoptypescript
>
> \starttypescript[sans] [myzhfont]
> \definefontsynonym [Sans] [file:SimSun]
> \definefontsynonym [SansBold] [file:SimSun]
> \definefontsynonym [SansItalic] [file:SimSun]
> \definefontsynonym [SansBoldItalic] [file:SimSun]
> \stoptypescript
>
> \starttypescript[mono] [myzhfont]
> \definefontsynonym [Mono] [file:SimSun]
> \definefontsynonym [MonoBold] [file:SimSun]
> \definefontsynonym [MonoItalic] [file:SimSun]
> \definefontsynonym [MonoBoldItalic] [file:SimSun]
> \stoptypescript
>
> \definetypeface [myzhfont] [rm] [serif][myzhfont] [default]
> \definetypeface [myzhfont] [ss] [sans] [myzhfont] [default]
> \definetypeface [myzhfont] [tt] [mono] [myzhfont] [default]
>
> \def\a{\myzhfont}
> \starttext
> \dorecurse{10000}{ hello {\a 你好}}
> \stoptext
>
> XeTeX: TeXExec | runtime: 64.797
> LuaTeX: MTXrun | total runtime: 10.797
>
> Here we use SimSun since in the first sample xetex can load simsun quite fast.
> However, in this time we define a typescript, and make all the styles
> fall into SimSun.
> Now xetex behaves quite strangely: it uses one minutes to compile this
> single document...
>
>
> So my question is
> - why loading otf is so slow?
> - is this a bug in context or in xetex? can it be fixed?
> - how can we make sample 3 (using typescript) run faster?
>
>
> Thanks.
>
> Yue Wang
>
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