On Wed, 09 Oct 2013, Austin Clements <amdragon@MIT.EDU> wrote: > Quoth Jani Nikula on Oct 09 at 9:41 am: >> Also one talloc less. Which brings me to the main worry: >> performance. What's the impact? > > Seems to be about 1%-3% for CLI search (tested on the medium corpus). > It's hard to measure what the effect on Emacs search is, though I > would expect it to be similarly negligible. I can live with that. :) > Some work I did several attempts at this ago suggests that this slows > down tagging (though I doubt it would be noticeable for single > threads), but I also found that switching to docid-based queries > significantly sped things up: > id:CAH-f9WsPj=1Eu=g3sOePJgCTBFs6HrLdLq18xMEnJ8aZ00yCEg@mail.gmail.com > Actually, docid queries probably make tagging faster than it is *now*, > but I didn't measure that when I did the experiments. Looks like there's a few hurdles in adding that concept nicely. Something for the future. BR, Jani.