Re: Improving the memory allocator

From: Andres Freund <andres(at)anarazel(dot)de>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Radosław Smogura <rsmogura(at)softperience(dot)eu>
Subject: Re: Improving the memory allocator
Date: 2011-04-26 13:24:16
Message-ID: 201104261524.16692.andres@anarazel.de
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On Tuesday, April 26, 2011 03:21:05 PM Radosław Smogura wrote:
> On Tue, 26 Apr 2011 14:25:10 +0200, Andres Freund wrote:
> > On Tuesday, April 26, 2011 01:59:45 PM Radosław Smogura wrote:
> >> I didn't followed this topic carefully, so sorry If I wrote
> >>
> >> something
> >>
> >> that was written, but I thought about following approach at least
> >>
> >> for
> >>
> >> message sending, etc.:
> >>
> >> 1. When initializing MemoryContext (pool) give one parameter that
> >>
> >> will
> >>
> >> be stack size. Stack is addition to normal operations.
> >
> > You can't allocate memory on the stack and return that.
> >
> > Andres
>
> I didn't wrote allocate on stack. I thought about preallocate n bytes
> chunk for stack-like memory but without popping.
The implementation already does something like that.

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