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Re: change to gcc from lcc
On Wed, Nov 19, 2008 at 7:18 PM, Nicholas Nethercote
<njn@csse.unimelb.edu.au> wrote:
> On Tue, 18 Nov 2008, H.J. Lu wrote:
>
>>> I used malloc to create my arrays instead of creating the in the stack.
>>> My program is working now but it is very slow.
>>>
>>> I use two-dimensional arrays. The way I access element (i,j) is:
>>> array_name[i*row_length+j]
>>>
>>> The server that I use has 16GB ram. The ulimit -a command gives the
>>> following output:
>>> time(seconds) unlimited
>>> file(blocks) unlimited
>>> data(kbytes) unlimited
>>> stack(kbytes) 8192
>>
>> ^^^^^^^^^^^^^^^^^^^^^^^^
>>
>> That limits stack to 8MB. Please change it to 1GB.
>
> Why?
>
int buffer1[250][1000000];
takes close to 1GB on stack.
--
H.J.