On Tue, 16 May 2006 17:31:58 +0200 Joachim Schipper <[EMAIL PROTECTED]> wrote:
> On Tue, May 16, 2006 at 07:29:17AM -0500, jon butchar wrote: > > Greetings. > > > > I have a single-CPU Xeon-based system running FreeBSD's amd64, > > along with other computers running various OSs to use and look > > after. > > > > Due to the quality of OpenBSD, I switched all my other computers > > to OpenBSD and <gasp> even ordered a CD set. > > > > However, this Xeon system is used for heavy numbercrunching; R > > routinely gobbles up to 4.5 GB memory. My question is whether > > OpenBSD will allow this memory allocation. This is work-related > > stuff so I'm hesitant to try without some input. > > The new PAE stuff will allow you to do that. PAE lets the system use > 4GB of memory. Pointers are still 32 bits, so a process can only address 4GB still. PAE also slows things down, and since he is talking about AMD64 hardware, it would make alot more sense to just run OpenBSD/amd64 on it instead of OpenBSD/i386 with PAE. I think you still need to patch the amd64 kernel if you want > 3? GB of RAM. And nobody can really answer the original question, since he didn't say what the memory is being used for. I would guess he will run into problems with MAXDSIZ though. Adam
