RE: bogomips ???

Riley Williams (rhw@BigFoot.Com)
Fri, 23 Apr 1999 14:20:42 +0100 (GMT)


Hi Nick.

> On my Dell Pentium-II 233 MHz, I have 231.<mumble> bogomips.
> So why do I have 358.<blarg> bogomips on my Pentium MMX 180MHz,
> which is most definitely slower (if it was accidentally twice as
> fast, I'd have noticed when compiling the kernel!) ? That
> figure is the same in 2.0.36 and 2.2.2, btw.

I can't find it at the moment, but I remember reading somewhere that
the BogoMIPS values are NOT comparable between different processor
families, and the P2 is a different family to the P-MMX.

As a datapoint for anybody wishing to make comparisons, my system has
an AMD K6-2/350 which shows 699.60 BogoMIPS on both 2.0.36 and 2.2.5
kernels. I believe that's the correct sort of figure for the processor
in question...

Best wishes from Riley.

+----------------------------------------------------------------------+
| There is something frustrating about the quality and speed of Linux |
| development, ie., the quality is too high and the speed is too high, |
| in other words, I can implement this XXXX feature, but I bet someone |
| else has already done so and is just about to release their patch. |
+----------------------------------------------------------------------+
* ftp://ftp.MemAlpha.cx/pub/rhw/Linux
* http://www.MemAlpha.cx/kernel.versions.html

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