> Well, the main bug, now fixed, was that under -d and use integer, > DB::DB was being called for each and every statement. I guess that > #14920, Ilya's "autoloaded DESTROY bugfix", was just making DB::DB > run a bit slower. Since we're no longer calling DB::DB at all, it's > probably irrelevant (to this issue, anyway). Ahhh, that explains why backing up the #14920 doesn't help. > Surely any remaining differences are just general 5.6 -> 5.8 slowdown, > which we're all familiar with? That we are familiar with it doesn't mean we should stay familiar with it :-) -- Jarkko Hietaniemi <jhi@iki.fi> http://www.iki.fi/jhi/ "There is this special biologist word we use for 'stable'. It is 'dead'." -- Jack Cohen