Re: BSTR caching

[Markus Stockhausen]

Am Donnerstag, den 08.10.2009, 18:26 +0400 schrieb Nikolay Sivov:
> Markus Stockhausen wrote:
> > Hi,
> >
> > the last week I took some time to implement the first try of BSTR
> > caching in oleaut.c. On the one hand this will fix a bug, on the other
> > hand Wine could save some CPU cycles and can catch up with the speed of
> > the native implementation.
> > -
> > - Windows standard behaviour is something like this: Keep 3 freelists of
> > -
> > - about 6-8 entries. One is for memory areas less than 32 bytes, the second
> > -
> > - is for areas between 32 and 64 bytes and the third is for strings larger
> > -
> > - than 64 bytes. Memory is allocated with length aligned to 16 bytes
>
> How did you guess this? Is it document somewhere?

No,

only the result of solving bug 12460, debugging & a few testcases that
produce IMalloc log entries and in this way indirectly reflect the
behaviour of native oleaut (at least XP version).

Markus