{profiling} is for questions involving the efficiency/speed of a macro, technique or construct.

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3
votes
0answers
173 views

XeLaTeX - Bottleneck at eu1enc.def [closed]

With XeLaTeX my compiler always consistently slows down when it comes to accessing eu1enc.def (I am using the fontspec package). I tried with copying that file and the others employed at that point ...
3
votes
0answers
36 views

Why are the numbers I get from the PGF profiler library all so close to an integer number of seconds?

I wanted to see whether some macros I wrote could be made noticeably quicker by eliminating the use of parsed PGF math commands, in favour of using the PGF math function macros (\pgfmathadd, etc.) ...
1
vote
1answer
67 views

Package loading speeds

Is there any benchmarking regarding which packages take more to load than others? Of course I know it depends on the computer you are running and perhaps even your Internet connection if you are ...
34
votes
1answer
2k views

Why does it take LuaLaTeX so long to load fonts and can I speed it up?

To test Mico's upcoming selnolig package, I tried out LuaLaTeX. While the overall experience for me as a pdfLaTeX end-user was very similar, I noticed that LuaLaTeX takes a long time to load fonts. ...
13
votes
2answers
413 views

Using shell escape to access system time

In an earlier question, I asked for analogs of \pdfelapsedtime (which measures the time since the start of the current run) in XeTeX and LuaTeX. A LuaTeX solution was provided, and is now part of ...
9
votes
1answer
142 views

Does writing to a property list take longer than writing to a token list?

In the question Write a column selectively to the appropriate row using pgfplotstable? I offered the following: \documentclass{article} \usepackage{xparse} \usepackage{booktabs} ...
14
votes
1answer
501 views

Different compilation times with different Operating Systems

I have noticed that when compiling or rather typesetting with XeLaTeX, I experience very different compilation times on different Operating Systems. When I typeset on Windows, the compilation process ...
11
votes
1answer
593 views

Reduce compilation time for opentype fonts (otf)

I have some opentype fonts (otf) which I use with fontspec. Everything works fine. During the compilation LuaLaTeX load the otf-files in a temporary file. For example: (load: ...
16
votes
1answer
3k views

Why can Bakoma process .tex files so fast?

Bakoma is a LaTeX Editor which has the real-time preview on Windows. On Linux, one has Gummi which has a similar feature and on Windows, I use WinEdt with Sumatra PDF together with an AutoIt script to ...
17
votes
1answer
325 views

Analog of \pdfelapsedtime for LuaTeX and XeTeX

In pdfTeX, the \pdfelapsedtime primitive gives access to the time since this pdfTeX run was started, in "scaled seconds" (1/65536 seconds). This is useful to benchmark code: repeat it many times, and ...
18
votes
1answer
802 views

Is it still worthwhile to let TeX try line-breaking without hyphenation?

Here's TeX's line-breaking approach (as I understand it) in a nutshell: If \pretolerance is positive, try to break a paragraph into lines without inserting discretionary hyphens and without ...
24
votes
2answers
596 views

Benchmarking various operations of TeX

TeX offers plenty of ways of doing some things, and it is sometimes difficult to predict which one will be quickest. For instance, how do a macro assignment a toks assignment a macro expansion a ...
9
votes
2answers
568 views

Why is this loop so much faster under Windows?

In a recent question, Yiannis Lazarides was asking about benchmarking loops. Strangely his results were about 800 times faster than mine. I couldn't quite accept that my computer is that outdated (as ...
6
votes
2answers
507 views

How to determine the run time of a loop?

pdfTeX, provides two macros that can be used to determine the time elapsed from a run start. The first one determines the elapsed time in "scaled seconds", that means seconds divided by 65536. ...
25
votes
3answers
532 views

Saving a 100 tokens worth, is it worth it?

The LaTeX kernel defines a number of tokens that are used throughout the LaTeX source and the standard LaTeX classes. For example: \def\hb@xt@{\hbox to} This particular one is commented as: ...