Re: [boost] flyweight - gsoc idea - multikey-value flyweight

Subject: Re: [boost] flyweight - gsoc idea - multikey-value flyweight
From: Joaquin M LópezMuñoz (joaquin_at_[hidden])
Date: 2016-02-17 02:11:30

Vicente J. Botet Escriba <vicente.botet <at> wanadoo.fr> writes:

> 
> Le 16/02/2016 16:00, Joaquin M LópezMuñoz a écrit :
> > Vicente J. Botet Escriba <vicente.botet <at> wanadoo.fr> writes:
> >
> >> Le 15/02/2016 07:51, Joaquin M LópezMuñoz a écrit :
> >
> > http://coliru.stacked-crooked.com/a/6dab2c556433fb03
> > 
> > [...]
> >
> > * [...] the obvious drawback (among others) that
> > sizeof(multi_flyweight)==2*sizeof(void*), where sizeof(flyweight) is
> > typically sizeof(void*). Whether this is acceptable or not depends
> > really on the use cases, I'd say.
>
> No, I want really a fly weight. If I have N key the multi_flyweight will 
> not be fly weight anymore.
> 
> sizeof(multi_flyweight)==N*sizeof(void*)

No, this is not the case. sizeof(mult™±åÝ•¥¡Ð¤ôôȩͥ镽˜¡Ù½¥¨¤)™½È•Ù•Éä8¸Q¡”•áÑÉ„Ý½É¥Ì	½½ÍйY…É¥…¹ÐÌ‰½½¬µ­••Á¥¹œ‘…Ñ„™½È)ÑåÁ”‘•Ñ•Éµ¥¹…Ñ¥½¸€¡¥¹Ñ•É¹…°µ•µ‰•ÈÝ¡¥¡|¤¸(€(ø€ø€¨%́ѡ¥Ì„‘•Í¥É•…‰±”•áÑ•¹Í¥½¸Ñ¼	½½Íй±åÝ•¥¡Ðü$‘½¸Ð¡…Ù”„(ø€øÍÑɽ¹œ½Á¥¹¥½¸µåÍ•±˜°½Ñ¡•ÉÌœµ½ÍЁݕ±½µ”¸(ø(ø$¡…Ù”¹¼Áɽ‰±•´¥˜Ñ¡¥Ì¥Ì¥¸…¹½Ñ¡•È±¥‰É…É䁽ȁ±…Í̸]¡…Ё¥¹Ñ•É•ÍЀ(øµ”¥ÌÑ¡”™Õ¹Ñ¥½¹…±¥ÑäÝ¥Ñ Ñ¡”‰•ÍЁÁ•É™½Éµ…¹•Ì¥¸ÍÁ…”…¹Ñ¥µ”¸()%Н‰”É•…Ё¥˜Ý”…¸…՝”Á½Ñ•¹Ñ¥…°¥¹Ñ•É•ÍЁ‰•Í¥‘•Ìå½Õȁ½Ý¸¸((ø€ø€¨%́ѡ¥Ì„½½…¹‘¥‘…Ñ”™½ÈM½ü%˜Ñ¡”…¹ÍݕȁѼÑ¡”…‰½Ù”¥Ìå•Ì°(ø€ø$Í…äÑ¡¥Ì¥Ì•ÉÑ…¥¹±ä¥¸Ñ¡”½½…µ‰¥Ñ¥½¸½¥µÁ…ÐÉ…Ñ¥¼Ý¥¹‘½Ü™½È(ø€ø„M½Áɽ©•Ð°…¹$‰”¡…ÁÁäÑ¼µ•¹Ñ½È¸(ø(ø±…Ñ¼¡•…ȁѡ…и$‰•±¥•Ù”Ñ¡¥Ìµ…­•Ì„½½M½Áɽ©•Ð¸$½Õ±€(ø¡•±Àå½–bæVVFVBà£âFò–÷RÖ–æBFòFBâVçG'’öâF†Rv–¶’