Re: [lmi] A small slowdown in xml serialization

[Greg Chicares]

On 2010-04-17 13:33Z, Greg Chicares wrote:
> Revision 4841 of 20100417T1245Z made reads a little slower, according to
> the following 'input_test' results. I believe I can remove the penalty,

Removed in revision 4844 (vide infra).

> but I want to defer that for now. Note that this report concerns (my)
> 'xml_serializable.?pp' only, and not (Vaclav's) 'xml_serialize.hpp'.
> 
> revision 4840:
>   Overhead: 3.905e-06 s =       3905 ns, mean of 2561 iterations
>   Read    : 4.251e-03 s =    4250971 ns, mean of 100 iterations
>   Write   : 3.015e-03 s =    3014961 ns, mean of 100 iterations
>   'cns' io: 4.408e-02 s =   44083512 ns, mean of  23 iterations
>   'ill' io: 1.090e-02 s =   10903121 ns, mean of  92 iterations
> 
> revision 4841:
>   Overhead: 4.023e-06 s =       4023 ns, mean of 2486 iterations
>   Read    : 4.967e-03 s =    4967119 ns, mean of 100 iterations  +17%
>   Write   : 2.970e-03 s =    2969952 ns, mean of 100 iterations  - 1%
>   'cns' io: 4.659e-02 s =   46593767 ns, mean of  22 iterations  + 6%
>   'ill' io: 1.168e-02 s =   11684165 ns, mean of  86 iterations  + 7%

revision 4844:
  Overhead: 3.863e-06 s =       3863 ns, mean of 2589 iterations
  Read    : 4.274e-03 s =    4273690 ns, mean of 100 iterations
  Write   : 3.012e-03 s =    3012068 ns, mean of 100 iterations
  'cns' io: 4.409e-02 s =   44086767 ns, mean of  23 iterations
  'ill' io: 1.090e-02 s =   10902565 ns, mean of  92 iterations