[plt-scheme] nonstandard installation

I think Matthew will have to say more, but the first test you were
doing was measuring the startup time of mzscheme, which can be
influenced by lots of things, but different things than the test I
suggested, which is measuring computation time.

Robby

On Fri, Nov 28, 2008 at 11:01 AM, Prabhakar Ragde <plragde at uwaterloo.ca> wrote:
> Robby Findler wrote:
>>
>> Where are you measuring the slowdown? Something like this:
>>
>>> (time (let loop ([n (expt 10 8)]) (unless (zero? n) (loop (- n 1)))))
>>
>> ? Or some other task?
>
> Curiouser.
>
> The above takes 372/374/0 on my MacBook Pro (2.33 GHz Intel Core 2 Duo).
>
> It takes 101920/111723/0 for the installed Solaris version.
>
> When I crank it down to (expt 10 7) and run it, I get 9730/9897/0 for the
> installed version and 11210/11226/0 for the locally-built version.
>
> I think the lesson is to not use Solaris. Pity that that's where all our
> autotesting is currently done. --PR
>
>