Is there heap size limitaion?

Anna Sidera eep6sa1@ucy.ac.cy
Fri Jan 2 01:03:00 GMT 2009



----- Original Message -----
From: Andrew Haley <aph@redhat.com>
Date: Thursday, January 1, 2009 4:22 pm
Subject: Re: Is there heap size limitaion?

> Anna Sidera wrote:
> > 
> > ----- Original Message -----
> > From: Andrew Haley <aph@redhat.com>
> > Date: Thursday, January 1, 2009 1:45 pm
> > Subject: Re: Is there heap size limitaion?
> > 
> >> Anna Sidera wrote:
> >>> Can you tell me if there is heap size limitation in gcc? I use 
> a 
> >> server with 4 CPU and 16 BG ram. I create tables using malloc 
> and 
> >> the total memory I can use is a little less than 4 GB.
> >>
> >> Seems odd.  What OS / architecture are you using?
> 
> > I am using unix. SunOS 5.10
> 
> OK, but what architecture?  32-bit or 64-bit mode?
> 
> Type
> 
> isainfo -v
> 
> If it's 32-bit then you will be limited, obviously.
> If gcc is generating 32-bit executables then you will also be
> limited.  The -m64/-m32 options control this.
> 
> Andrew.
> 
> 
isainfo -v gives the following output:

64-bit sparcv9 applications
        vis2 vis
32-bit sparc applications
        vis2 vis v8plus div32 mul32

Anna



More information about the Gcc-help mailing list