[fpc-pascal] Heap manager tuning

Jonas Maebe jonas.maebe at elis.ugent.be
Sat Aug 9 23:36:00 CEST 2014

On 09/08/14 23:01, denisgolovan wrote:
> That allocation takes 10Gb+ under FPC heap manager. Further allocation becomes hardly possible (I have 16Gb on-board).
> Meanwhile, cmem allocates around 3Gb. So I can operate >3 times more object set.
> I am pretty sure I don't have any memory leaks (heaptr is enabled all the time).
> Any suggestions?

Try avoiding growing memory blocks small amounts at a time via 
reallocmem or setlength, and instead grow them in bigger chuncks. This 
will both increase the performance of your program and reduce the 
internal memory fragmentation.


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