On Fri, Dec 8, 2023 at 21:18 (+0100), Hans Hagen wrote: > On 12/8/2023 7:51 PM, Jim wrote:
>> Hi Hans (and anyone else interested in synctex), >> 282a284,285 >>> locate( 0, s) if fi ~= 0 then tl = s ; goto done end >>> locate( 0,-s) if fi ~= 0 then tl = s ; goto done end >> and then wrote the following quick and dirty shell script to create log >> files for comparison: > ok >> Admittedly, with the other two directions added in, a more extensive test >> (a total of a bit under 14 minutes CPU time on a Ryzen 4700U) showed the >> new version is about 0.5% slower, so there is a very minor downside. (I'd >> happily spend the extra matches for the minuscule amount of CPU time, but >> others may not.) > the .5% precen tis no big deal, also because this script is not that time > critical (the code could be made a bit faster anyway) so i'll add the few > lines Great. If nothing else, it will keep other people from asking the same question in the future. :-) > so those 14 minutes, was that N times a file or 1 time a huge file? N times a file: I swiped the code from the program and defined two functions, one (test_old) one for the current code and one for the new code: test_new () { for x in $=x_vals do for y in $=y_vals do printf "%3d, %3d: " $x $y out=`mtxrun --script mtx-synctex-jd.lua --goto --direct \ --page=$page --x=$x --y=$y --tolerance=$tolerance $st_file` echo $out done done } (The test_old was the same except for the argument to --script, which is 'synctext'.) I defined $page=15, $tolerance=300 and $st_file to be a file with 3441 lines (there are 19 pages in total, so I was skipping a lot of stuff) and changed x_vals and y_vals to create a lot of iterations: x_vals=`seq 100 5 550` y_vals=`seq 100 5 700` and finally I ran time (test_new > /dev/null) and time (test_old > /dev/null) So mtxrun was called for each of these 11,011 times. Not the best possible benchmark, but probably good enough to show that adding the other two cases isn't hurtful. Cheers. Jim ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___________________________________________________________________________________