Re: [boost] Interest in a container which can hold multiple data types?

Subject: Re: [boost] Interest in a container which can hold multiple data types?
From: Joaquin M Lopez Munoz (joaquin_at_[hidden])
Date: 2015-05-06 09:55:12

TONGARI J <tongari95 <at> gmail.com> writes:

> 
> 2015-05-06 20:58 GMT+08:00 Joaquin M Lopez Munoz <joaquin <at> tid.es>:
> 
> > Ok, understood. I've written a small performance test of
> > vector<variant<Ts...>> and sorted vector<variant<Ts...>> vs. a
> > collection class het_collection<Ts...> storing values of the same
> > type contiguously and providing a specialized for_each memfun:
> >
> > [...]
> >
> > So, unsurprisingly, het_collection does much better as for_each
> > on a vector<variant> needs to check type on each iteration. Sorting
> > the vector so that values of the same type lie together does not
> > have any impact on performance.
> >
> 
> In case that you misunderstood my previous post, the assumption that when
> values of the same type liѽ•Ñ¡•È½Õ±É•ÍձЁ¥¸‰•ÑѕȁÁ•É™½Éµ…¹”(øÝ…́™½È½É‘•É•ÑÕÁ±•}Ù•Ñ½Èµ‰…Í•Í•ÅÕ•¹”°¹½Ð™½ÈÙ•Ñ½É}Ù…É¥…¹Ð¸(ø€(øe½Õȁ‰•¹¡µ…ɬÉ•ÍձЁ¥Ì¥¹‘••Ý¡…Ёݔ•áÁ•Ñ•°Ý¡…Ё$±¥­”Ñ¼Í•”¥Ì(øÑ¡”½µÁ…ɥͽ¸‰•ÑÝ••¸€©½É‘•É•¨¡•Ñ}½±±•Ñ¥½¸…¹Ù•Ñ½É}Ù…É¥…¹Ð¸()e•Ì°‘•™¥¹¥Ñ•±ä$´¹½Ð™Õ±±ä•ÑÑ¥¹œå½ÕȁÁ½¥¹Ð°µä…Á½±½¥•Ì¸]¡…Ð)‘¼å½Ôµ•…¸‰ä½É‘•É•¡•Ñ}½±±•Ñ¥½¸ü́¥Ð¥Ì‘•Í¥¹•¡•Ñ}½±±•Ñ¥½¸)±ÕÍÑ•É́م±Õ•Ì½˜Ñ¡”Í…µ”ÑåÁ”Ñ½•Ñ¡•È¸¸¼å½Ôµ•…¸„Ù•ÉÍ¥½¸Ý¡•É”)Ñ¡”½É‘•È½˜¥¹Í•ÉÑ¥½¸¥Ì…ɉ¥ÑÉ…É䁅́¥¸„Ù•Ñ½Èü%˜Í¼°…¹äÍ•¹Í¥‰±”)‘•Í¥¸½˜ÍՍ „¡•Ñ}½±±•Ñ¥½¹}Øȁݽձ‰½¥°‘½Ý¸Ñ¼•Í•¹Ñ¥…±±äÑ¡”)Í…µ”…ٕ́Ñ½ÈñÙ…É¥…¹Ðø°$Í…ä¸())½…Å×µ¸43ÍÁ•è5׎è)Q•±•›͹¥„