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

Subject: Re: [boost] [xint] Third release is ready, requesting preliminary review
From: Chad Nelson (chad.thecomfychair_at_[hidden])
Date: 2010-05-02 13:02:39

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On 05/02/2010 12:05 PM, vicente.botet wrote:
> On the documentation you say " Some of these numbers can get huge, 
> making copying an expensive proposition, and even move semantics (at 
> least as emulated by Boost.Move at the time of this writing) aren't
> as fast"
> 
> Why do you say on Boost.Move is not as fast as COW?

Because it isn't. I ran some tests when I added Boost.Move to it, and
copy-on-write is measurably faster than (emulated) move semantics, by
about the same amount that emulated move semantics are faster than not
having either. I'm hoping that compiler-supported move semantics will be
equal to copy-on-write, but until they're widely available,
copy-on-write is better.
- -- 
Chad Nelson
Oak Circle Software, Inc.
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