Am 23.02.2009 um 20:57 schrieb Alan Stone:
- does using \doifundefined{myMacro}{...} shorten tex runs/compile
time ?
In which way?
As I don't know/understand what happens between (Lua)TeX runs, to
keep macro
definitions in memory.
The only way to use information from a previous run is to use the
auxiliary
files or buffers. Macros are defined at each run again but you
shouldn't care
here about the performance unless you use a very big private module.
- what are the features to avoid for shortest compile times ?
Depends on your document and what do you want.
My question was intended in a generic way, aka if you use
- these features ... expect longer or significant longer compile
times, or
- these features ... generate the longest compile times.
As Taco mentioned, try to avoid \switchtobodyfont and use \definedfont
or \definefont instead. You can also gain a few (micro)seconds when you
run TeX in batchmode (no terminal messages).
Natural Tables are quite slow and it's sometimes worth to take a look
if you can use table or tabulate.
Wolfgang
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