On Mon, Nov 12, 2012 at 1:06 PM, matheus_viana <vianamp at gmail.com> wrote: > Thanks, David. > > This mmap sounds really interesting. Where can I get more info about that? For a 4GB file it isn't going to help unless you can switch to a 64-bit OS. You can find more info by searching for "CreateFileMapping" on msdn. - David