Re: NetBSD 6 is looking pretty good

[Toby Thain <toby%telegraphics.com.au@localhost>]

On 17/10/12 6:41 AM, John Klos wrote:
> Hi,
>
> I have a VLC which is running netbsd-6 from 1-October. It's been
> compiling and doing various things for the last two weeks with no problems.
>
> I did notice one thing, though. When running benchmarks/dhrystone/, the
> number I got was:
>
> Microseconds for one run through Dhrystone: 569.1
> Dhrystones per Second: 1757.2

I would mention that Dhrystone is an extremely poor integer benchmark. 
Its limitations were known back in the 1980s and I don't think anyone 
takes it seriously.

Here is a much better one (but there are of course many others):

  http://homepages.cwi.nl/~tromp/c4/fhour.html


> When I ran dhrystone on netbsd-5 earlier this year, though, I got 2164
> which is almost 1.25 times faster. What's also interesting is that the
> standard number given for dhrystones per second for the VAX 11/780 is
> exactly 1757, too. Does this mean that the inefficiencies of new
> toolchains has brought a 25 MHz 1991 machine down to the speed of a 5
> MHz 1977 machine?

That said, I have a 5 MHz MicroVAX II here running NetBSD 1.4.1 if you 
wanted to confirm the latter number. :-)

--Toby

> John