[Gretl-devel] Re: Inefficiency in join command?

Am 31.03.2021 um 14:17 schrieb atecon: > In a first experiment I join all series from the RHS dataset by means of > the wildcard operator: > <join "@NAME_RHS_DATA" * --ikey=datedim,unitdim> > which takes about 5 sec. here. > > Then I re-run the experiment by successively increasing the number of > series to join: > > <hansl> > loop i=1..nelem(RHS_SERIES_NAMES) >      printf "\nInfo: Start joining %d series.\n", $i >      flush >      strings tojoin = RHS_SERIES_NAMES[1:$i] > >      set stopwatch >      join "@NAME_RHS_DATA" tojoin --ikey=datedim,unitdim > >      printf "\nInfo: Joining took %.2f sec.\n", $stopwatch >      flush > >      list New = dataset - Base >      delete New --force > endloop > </hansl> As some of you may have noticed, since back in March a feature request ticket had been created and some discussion took place there (https://sourceforge.net/p/gretl/feature-requests/151/), although it's perhaps debatable whether it was instead a mild bug, but anyway. I believe in current git Allin has worked on fixing this, but I haven't tested myself yet - part of the reason was that Artur's script above was not self-contained. So, Artur, could you test your setup on current git, or alternatively post a self-contained example for us to test?