Re: NetBSD speed curiosities

[David Brownlee <abs%netbsd.org@localhost>]

On 17 April 2014 02:27, John Klos <john%ziaspace.com@localhost> wrote:
> Hi,
>> Oh, also, DHRYSTONE IS A TERRIBLE AWFUL BENCHMARK, and mostly discredited.
>> Its problem is that it is TOO simple, i.e. wildly subject to the behaviour
>> of particular operations rather than a good mix, and easily gamed (many
>> vendors did).
>>
>> Please find a better integer benchmark (I came to like fhourstones, but I
>> am not sure how much of a better mix that represents). Most hardware
>> benchmark papers publish at least half a dozen different benchmarks in order
>> not to be skewed by Dhrystone-type effects.
>
> It's not about benchmarking different systems - it's about benchmarking the
> exact same system with different operating systems or different versions of
> the same operating system.
>
> This is precisely where we want something that's too simple - we want to
> look at why this simple bit of c code is a fraction of the speed under
> modern NetBSD.

Following up a suggestion from Thor in the other thread - have you
tried linking it statically and comparing the numbers.

Another interesting number might be from using NetBSD 1.2 in simh and
to build a static binary and then test that on your main machine..