On Sun, Aug 15, 2021 at 02:09:45PM +0300, Andy Shevchenko wrote: > On Sun, Aug 15, 2021 at 12:21 AM Yury Norov <yury.norov@xxxxxxxxx> wrote: > > > > bitmap_list_string() is very ineffective when printing bitmaps with long > > ranges of set bits because it calls find_next_bit for each bit in the > > bitmap. We can do better by detecting ranges of set bits. > > > > In my environment, before/after is 943008/31008 ns. > > I would add a couple of words, maybe in parentheses, to describe what > your environment is. > > ... > > > + buf = number(++buf, end, rtop - 1, default_dec_spec); > > ++buf is a bit confusing here. Since you will rewrite the buf value > anyway, I would write the parameter as buf + 1. Agree, it's sloppy. I'll send the patch by tomorrow.
