Greetings, Warren Young! > On Aug 10, 2015, at 10:00 AM, Corinna Vinschen <corinna-cyg...@cygwin.com> > wrote: >> >> for testing, I need somebody running a small test program on a machine >> with more than 64 CPUs under Windows 7 or later.
> I don’t think that’s possible today. Windows 7 Professional is limited to > 2 physical processors and 256 cores, so the only way to get the result you > want is a 2x33+ core system without Hyperthreading, or a 2x17+ core system > with HT. She didn't say she need an output from "Pro" version. If you're referring to "Windows 7", that's just a generation, Windows Server will suffice as well. > Source: > http://windows.microsoft.com/en-US/windows7/products/system-requirements > The lesser versions of Windows 7 also have 256-core limits, but only allow > 1 physical processor, so you’d need a 65+ core processor without HT, or 33+ > with HT. > According to Newegg, the biggest ones available today are 16-core, so you > can just barely hit 64 on Win7 Pro with HT, today. > I think you need to wait another processor generation to break 64 logical > cores under Windows 7. > The contemporaneous version of Server is, I believe 2008 R2, which has 4+ > socket limits in all but the Foundation version, which would let you get to > your 72 or 96 logical processor counts with today’s processors. -- With best regards, Andrey Repin Monday, August 10, 2015 19:53:00 Sorry for my terrible english...
