pipe testing and kernel copyin/copyout/bcopy performance

[Matthew Dillon]

:Matthew Dillon wrote:
:> You also cannot mix normal writes with non-temporal writes.  Well, you
:> *can* mix the instructions, but the result will be truely hideous (verses
:> simply horrible) memory performance...
:
:Does the compiler generally keep you out of such situations, or do
:you find yourself writing your C code around such problems as these?
 
    The compiler does not generate non-temporal write instructions.

					-Matt
					Matthew Dillon 
					<dillon at xxxxxxxxxxxxx>