Re: [boost] [Block Pointer] benchmark

Subject: Re: [boost] [Block Pointer] benchmark
From: Phil Bouchard (philippe_at_[hidden])
Date: 2011-05-24 19:23:36

On 5/24/2011 4:07 PM, Nevin Liber wrote:
>
> 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...

Yes but this is a worse-case scenario because the assignment of a 
pointer from the data segment that is the last one pointing to an object 
on the heap will go thru more subroutines.  If the pointer was already 
on the heap then it'll be faster.  What really matters is the constant 
complexity.

But you're right on the docs I'll correct them.

My point is to optimize ordered_malloc() and is_from() and I was 
wondering if there is any hope that can happen?

Thanks,
-Phil