[NTG-context] Re: save runtime information

["Thomas A. Schmitz" <thomas.schmitz@uni-bonn.de>]

Thank you, Hans! I am playing with it right now and will try to add a 
simple example to the wiki. For the time being, I just want to keep some 
sort of statistics around, also to measure performance of my computers 
and servers. Since the log file will be read and written to by other 
programs as well, I'm keeping it very simple, in a text format, so I 
simplify your code a bit, maybe that's a good starting point for others 
on the wiki to elaborate.

All best

Thomas

On 11/20/24 9:10 AM, Hans Hagen wrote:
> Ah, you're trying to locate bottlenecks ... you need to register timing 
> pretty late, like this:
> 
> \startluacode
> luatex.wrapup (
>      function()
>          --
>          print("saving runtime in foo.txt")
>          io.savedata("foo.txt",statistics.elapsedtime(lua.getruntime()))
>          --
>          local t = {
>              runtime = statistics.elapsedtime(lua.getruntime()),
>              mytime  = statistics.elapsedtime("foo"),
>          }
>          print("saving runtime in foo.lua")
>          table.save("foo.lua",t)
>          --
>      end
> )
> \stopluacode
> 
> \starttext
> 
> % it's showtime:
> 
> runtime : \cldcontext {
>      io.loaddata("foo.txt")
> }
> 
> mytime: \cldcontext {
>      ( table.load("foo.lua") or { } ).mytime
> }
> 
> % let's waste some time:
> 
> \ctxlua{statistics.starttiming("foo")}
> \dorecurse{500}{
>      \glyphxscale\numexpr1000-#1\relax
>      \samplefile{knuthmath}
>      \blank
> }
> \ctxlua{statistics.stoptiming("foo")}
> 
> \stoptext
> 
> Wikifying a better example probably takes more time than this run,
> 
> Hans


-- 
Prof. Dr. Thomas A. Schmitz
Institut für Klassische und Romanische Philologie
Universität Bonn
Rabinstr. 8
53111 Bonn
http://www.philologie.uni-bonn.de/de/personal/schmitz
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