Re: [Scutigena-code] Hi scutigena devs

[<da...@de...>]

gabriele renzi <sur...@ya...> writes:

> > ruby1.7 ./ackermann.ruby 7

> > With '8' even 1.7 fails.

> DOH!
>  I meant:
> loser@irc:~$ ruby ack.rb 8
> Ack(3,8): 2045

> (I did this even the first time, just copy/pasted a previous block
> :)

> I still believe this relates to current stack size limit for the
> process in wich the interpreter is run:

@eugene [~/workshop/scutigena/tests/ruby/common/src] $ ruby1.8 ackermann.ruby 7
ackermann.ruby:8:in `ack': stack level too deep (SystemStackError)

@eugene [~/workshop/scutigena/tests/ruby/common/src] $ ulimit 
unlimited

So... I don't know!

> <snip>
> > > to avoid name search at any run, given that
> > gen_random is already
> > > available in current module, that makes little
> > sense to me :/

> > Seems odd to me too.  Does it run ok without 'gr =
> > gen_random' ?

> sure ;)

GR: @ashland [~/workshop/scutigena/tests/python/common/src] $ time python2.3 random.python 1000000
81.465763603

real    0m7.222s
user    0m7.170s
sys     0m0.050s
GR: @ashland [~/workshop/scutigena/tests/python/common/src] $ time python2.3 random.python 1000000
81.465763603

real    0m7.232s
user    0m7.220s
sys     0m0.010s
GEN_RANDOM: @ashland [~/workshop/scutigena/tests/python/common/src] $ time python2.3 random.python 1000000
81.465763603

real    0m7.807s
user    0m7.520s
sys     0m0.010s
GEN_RANDOM: @ashland [~/workshop/scutigena/tests/python/common/src] $ time python2.3 random.python 1000000
81.465763603

real    0m7.540s
user    0m7.500s
sys     0m0.020s
GEN_RANDOM: @ashland [~/workshop/scutigena/tests/python/common/src] $ time python2.3 random.python 1000000
81.465763603

real    0m7.519s
user    0m7.490s
sys     0m0.030s
GR: @ashland [~/workshop/scutigena/tests/python/common/src] $ time python2.3 random.python 1000000
81.465763603

real    0m7.258s
user    0m7.240s
sys     0m0.020s

Using 'gr = gen_random' seems to be just a tiny bit faster, so I'll
leave the code the way it is.

-- 
David N. Welton
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