Re: Learning to write interpreted code

[Ludovic Courtès]

address@hidden (Ludovic Courtès) writes:

> So I went ahead and removed the `not' within the loop, rewriting
> `(if (not c) a b)' to `(if c b a)', and voilà:
>
>   %     cumulative   self             
>   time   seconds     seconds      name
>     8.88      1.19      1.08  xdr-basic-type-size
>     5.14      0.74      0.62  xdr-basic-type-type-pred
>     4.21      0.68      0.51  xdr-basic-type-encoder
>     3.74      1.64      0.45  +
>     3.74      0.45      0.45  eq?
>   [...]
>   Total time: 12.11 seconds (167/100 seconds in GC)
>
> An order of magnitude faster!

Actually, `statprof' is magnifying the effect on total run time since I
can hardly notice a 10% difference when running the thing without
statprof...

Sorry for the noise.

Ludovic.