Re: [Pyobjc-dev] Bridge Support Performances

[Ronald O. <ron...@ma...>]

On 20 Jan, 2010, at 22:52, Virgil Dupras wrote:

> On Wed, Jan 20, 2010 at 10:50 PM, Leonardo Santagada
> <san...@gm...> wrote:
>> 
>> On Jan 20, 2010, at 7:45 PM, Ronald Oussoren wrote:
>> 
>>> On 20 Jan, 2010, at 12:30, Virgil Dupras wrote:
>>> 
>>>> Hi there,
>>>> 
>>>> I recently started to use PyObjC 2.2 (after having use 1.4 for a long
>>>> time), mainly for 64-bit support, and the biggest problem I have with
>>>> it is bridge support's memory usage. One of my applications which used
>>>> to use 22mb of memory on launch when built with pyobjc 1.4 used 48mb
>>>> when built with pyobjc 2.2.
>>> 
>>> Ouch.
>> 
>> Can it be that a good part of this doubling in size is just from pointers going from 32 to 64bits?
>> 
>> --
>> Leonardo Santagada
>> santagada at gmail.com
>> 
>> 
>> 
>> 
> 
> No, 48mb is in 32bit mode. When in 64-bit mode, it's 95mb

This definitly needs time with a measurement tool then, I wouldn't have expected that the amount of memory used would actually double in 64-bit mode.

Ronald