releasing memory to malloc

Gabriel Genellina gagsl-py at yahoo.com.ar
Wed Sep 27 03:08:25 CEST 2006


At Tuesday 26/9/2006 21:34, iker.arizmendi at gmail.com wrote:

>Is there any way to get Python to release memory back to the
>C allocator? I'm currently running a script that goes through
>the following steps:
>
>1) Creates a very large number of Python objects to produce
>a relatively small data structure that sits in a C extension.
>The Python objects consume quite a bit of memory.
>
>2) Releases all the Python objects.
>
>3) Invokes a function of said C extension for further
>processing. This step needs as much memory as possible.
>
>I'd like step 2 to return memory to the C allocator so that it
>is available to the extension in step 3 (which uses malloc).

Can you modify the C source? If you can, use the Python memory 
allocation functions PyMem_Malloc/PyMem_Realloc/PyMem_Free.



Gabriel Genellina
Softlab SRL 


	
	
		
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