Обсуждение: AW: [HACKERS] patch for memory overrun on Linux(i386)

David Gould wrote:
>That said, I have a plan in mind to get a nice performance boost for palloc().
>As a side effect, I will guarantee 8 byte alignment of pointers returned
>from palloc().

Wow, this sounds really good, will you try to prealloc bigger chunks of memory
to avoid the many system calls ? I was wondering if that could give a speed boost.

Andreas

> David Gould wrote:
> >That said, I have a plan in mind to get a nice performance boost for palloc().
> >As a side effect, I will guarantee 8 byte alignment of pointers returned
> >from palloc().
>
> Wow, this sounds really good, will you try to prealloc bigger chunks of memory
> to avoid the many system calls ? I was wondering if that could give a speed boost.

Yes to both points.

-dg

David Gould            dg@illustra.com           510.628.3783 or 510.305.9468
Informix Software  (No, really)         300 Lakeside Drive  Oakland, CA 94612
 - Linux. Not because it is free. Because it is better.

>>
>> Wow, this sounds really good, will you try to prealloc bigger chunks of
memory
>> to avoid the many system calls ? I was wondering if that could give a
speed boost.
>
>Yes to both points.
>
>-dg
>
>David Gould            dg@illustra.com           510.628.3783 or
510.305.9468
>Informix Software  (No, really)         300 Lakeside Drive  Oakland, CA
94612
> - Linux. Not because it is free. Because it is better.
>

Great, I'm looking forward to this.

With regards from Maurice.