I'm running Windows XP with 1/2GB RAM and 2GB swap. Running Cygwin 1.3.18.
Consider the following program to use as much memory as possible:
#include <stdio.h>
#include <malloc.h>
int
main()
{
void *x;
unsigned long long mem=0;
while((x=malloc(500000)) != NULL){
mem += 500000;
memset(x, 0, 500000);
printf("allocated %u\n", mem);
}
return 0;
}
If I compile and run this, it consistently stops at about 780MB. If I
compile with -mno-cygwin, it doesn't fail until almost 2GB have been
allocated.
Any comment? Is there some sort of flag I can compile with to make the
allocator more aggressive? The situation it's failing in is one where a
very large library is being linked and ld is running out of memory in spite
of quite a bit being available.
cheers,
Kris
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