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I have been searching in vain for statistics about the runtime of pdfTeX, LuaTeX and XeTeX. My impression is that (ordering by increasing runtime), LuaTeX > XeTeX > pdfTeX, but exactly how big is this difference?

closed as unclear what you're asking by Joseph Wright Dec 17 '15 at 13:58

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  • With luatex still a work in progress, the question seems premature. – Thérèse Apr 12 '15 at 20:32
  • Without a reference document the question doesn't make sense. E.g. here the lua solution is faster than the tex solution: tex.stackexchange.com/questions/87497/… – Ulrike Fischer Apr 12 '15 at 20:59
  • I meant how fast LuaTeX is to compile an ordinary, Lue-free TeX document. Any document would do. – Gaussler Apr 13 '15 at 7:34
  • Does "lua-free" means without luaotfload and system fonts? A simple \lipsum-documents needs ~0.7s with lualatex, ~0.8s with pdflatex and ~2s with xelatex on my system. – Ulrike Fischer Apr 13 '15 at 15:18
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    It is easy to compare the compilation time of two documents. But it is up to you to decide if this comparision has any meaning and gives you the values you are interested in. Sorry but how can you expect to find some "exact" statistics when you own ideas regarding how and what to compare are so very vage? – Ulrike Fischer Apr 13 '15 at 18:43