Hello, On Tue, 11 Dec 2007 16:28:56 +0100 Rene Herman <[EMAIL PROTECTED]> wrote:
> On 11-12-07 15:15, Rene Herman wrote: > > > On 11-12-07 14:32, Paul Rolland wrote: > > > This might be a bit more constant, I suppose. This serialises with cpuid. > Don't see a difference locally, but perhaps you do. Well, yes, at least on the PIII and the Opteron... Core2 is still changing a lot... > On a Duron 1300 with an actual ISA bus, "out" is between 1300 and 1600 for > me and "in" between 1200 and 1500 with a few flukes above that which will I > suppose be caused by the bus (ISA _or_ PCI) being momentarily busy or some > such... The results : Core 2Duo 1.73 GHz : [EMAIL PROTECTED] tmp]# ./in2 out: 2777 in : 2519 [EMAIL PROTECTED] tmp]# ./in2 out: 2440 in : 2391 [EMAIL PROTECTED] tmp]# ./in2 out: 2460 in : 2388 Pentium III : [EMAIL PROTECTED] /tmp]# ./in2 out: 746 in : 747 [EMAIL PROTECTED] /tmp]# ./in2 out: 746 in : 747 [EMAIL PROTECTED] /tmp]# ./in2 out: 746 in : 745 AMD Opteron 150 : -bash-3.1# ./in2 out: 4846 in : 4845 -bash-3.1# ./in2 out: 4846 in : 4846 -bash-3.1# ./in2 out: 4846 in : 4845 Paul -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
