Re: [boost] [xint] Third release is ready, requesting preliminary review

Subject: Re: [boost] [xint] Third release is ready, requesting preliminary review
From: joel falcou (joel.falcou_at_[hidden])
Date: 2010-05-02 04:02:06

Jeffrey Hellrung wrote:
> Chad, what Joel is referring to as "multithreaded" is really 
> "thread-safe" in the context of your library, right?  I mean, not that 
> Joel is using incorrect terminology on purpose, but maybe some terms 
> and intents got confused during the discussion.  You (Chad) don't 
> actually implement any distributed arithmetic algorithms, right?
Oh indeed. Yeah /s/multithreaded/thread-safe/ sorry for the 
miscommunications there. I thought the second but wrote the first.

> Regarding COW specifically:  I'm guessing COW will be a tough sell, 
> and I'm having a hard time swallowing that COW is 2x faster than (even 
> emulated) move semantics.  Is the performance difference strictly from 
> differing numbers of copy operations?  Can you identify (i.e., give an 
> example of a real algorithm) where a move-enabled xint::integer 
> produces more copies than a COW-enabled xint::integer?
I'm inerested in there too.

-- 
___________________________________________
Joel Falcou - Assistant Professor
PARALL Team - LRI - Universite Paris Sud XI
Tel : [phone]