[Python-Dev] Improving the Python Memory Allocator

[Rodrigo Dias Arruda Senra]

Evan Jones wrote:
> This message is a follow up to a thread I started on python-dev back in 
> October, archived here:

> First, there is slightly more overhead with programs that allocate a lot 
> of memory, release it, then reallocate it.

> Summary of the changes:
> 
> - When freeing a page, if the arena is completely unused, the arena is 
> deallocated.

Depending on the cost of arena allocation, it might help to define a 
lower threshold keeping a minimum of empty arena_objects permanently
available. Do you think this can bring any speedup ?

cheers,
Senra

-- 
Rodrigo Senra
MSc Computer Engineer     rodsenra at gpr.com.br
GPr Sistemas Ltda       http://www.gpr.com.br