Let's use gcc-4.2, not 4.1 -- OpenMP

[Ivan Voras]

Mikhail Teterin wrote:

> Although commercial compilers (like Intel's icc for Windows and Linux, or Sun 
> Studio on Solaris, or Visual Studio on Windows) have supported OpenMP pragmas 
> for a while (icc even allows parallelizing accross multiple machines), 
> gcc-4.2 is the first release of GCC that supports it (with `-fopenmp' flag).
> 
> I anticipate, "out-of-the-box" OpenMP support will soon be one of the 
> required "check-boxes" for an OS to be considered for many things...

For what it's worth: +1. It's going to be practically required even for
medium-performance applications as CPU clock rate stagnate and more
cores are grown. I've recently seen a 16-cpu x86 server in 1U! (granted,
8 of those are hyperthreaded "CPUs" ;) )