Re: [boost] [Block Pointer] benchmark

Subject: Re: [boost] [Block Pointer] benchmark
From: Nevin Liber (nevin_at_[hidden])
Date: 2011-05-24 19:07:51

On 24 May 2011 17:40, Phil Bouchard <philippe_at_[hidden]> wrote:

> Hi,
>
> Just for the records I have benchmarked block_ptr using:
>
> https://svn.boost.org/svn/boost/sandbox/block_ptr/libs/smart_ptr/example/benchmark.cpp
>
> And I get the following:
> auto_ptr:                    9208870 ns
> shared_ptr:                 22958516 ns
> block_ptr:                  75860365 ns
>
> Which is pretty good given the complexity it goes thru.
>

Your claim is " It is a fast as the popular smart pointer *
boost::shared_ptr<T>*".  Yet, in single-threaded code and shared_ptr using
new instead of make_shared, block_ptr still takes 3.3x as long as
shared_ptr.

That is *a lot* of overhead...
-- 
 Nevin ":-)" Liber  <mailto:nevin_at_[hidden]>  [phone]