Re: [boost] [Block Pointer] benchmark

Subject: Re: [boost] [Block Pointer] benchmark
From: Phil Bouchard (philippe_at_[hidden])
Date: 2011-05-27 18:08:39

On 5/27/2011 2:35 PM, Phil Bouchard wrote:
>
> The results are constant so I'm not sure what would trigger CPU speedups
> in a constant way. Maybe the calls to the memory map are getting faster.

The memory map is indeed getting faster.  So now I calculate the median 
and I get the same results even after reordering the calls:
1)
new:
auto_ptr:                    4640123 ns
shared_ptr:                 10901185 ns
block_ptr:                  77581308 ns

make:
auto_ptr:                    5017051 ns
shared_ptr:                 10559566 ns
block_ptr:                 120121569 ns

2)
make:
auto_ptr:                    5127206 ns
shared_ptr:                 10731503 ns
block_ptr:                 128038925 ns

new:
auto_ptr:                    4667825 ns
shared_ptr:                 11210022 ns
block_ptr:                  69109934 ns

-Phil