[Melbourne-pm] perl6.org

[Toby Wintermute]

>From what I've read, Scala is quite fast, but does indeed suffer from
the JRE taking a long time to warm up.
Some of the little apps I wrote that did more than say "hello world"
seemed to run snappily, anyway :)

On 12 May 2010 22:22, Shlomi Fish <shlomif at iglu.org.il> wrote:
> On Wednesday 12 May 2010 07:12:13 Toby Corkindale wrote:
>> On 12/05/10 12:43, Toby Corkindale wrote:
>> > This isn't going well.
>> > I went to http://dev.perl.org/perl6/
>> > Then I clicked on the link to "Perl 6 site", which went to
>> > http://perl6.org/, which redirected to http://feather.perl6.nl/syn/
>> > Which failed to load.
>> >
>> > I tried going to Pugs, which was linked as "Try Perl 6 today!", which
>> > goes to www.pugscode.org, which fails to load too.
>> >
>> > I am now at http://github.com/rakudo/rakudo/downloads which at least
>> > loads; we'll see how well it compiles.
>>
>> It compiled OK, but note that it required network access during the
>> build process, and also required that subversion was installed.
>>
>> They're not kidding about the performance of Perl6 being.. poor.. at the
>> moment:
>>
>> $ time ./hello.pl
>> Hello earth
>> Hello sky
>>
>> real  0m0.021s
>> user  0m0.016s
>> sys   0m0.008s
>>
>>
>> $ time ./hello.p6
>> Hello earth.
>> Hello sky.
>>
>> real  0m2.075s
>> user  0m1.928s
>> sys   0m0.140s
>>
>> On the other hand, it seems to be doing slightly better than Scala :)
>> $ time scala HelloScala
>> Hello earth
>> Hello sky
>>
>> real  0m2.178s
>> user  0m2.192s
>> sys   0m0.108s
>>
>>
>> And for good measure, here's Google's Go language:
>> $ time ./6.out
>> Hello earth.
>> Hello sky.
>>
>> real  0m0.002s
>> user  0m0.000s
>> sys   0m0.000s
>>
>>
>>
>> None of these are terribly good performance tests though.. they're more
>> a measure of the start-up time! Go has none, since it's compiled to
>> native code.. perl5 is interpreted, but otherwise written in native
>> code. Both Scala and Perl6 are running on bytecode VMs.
>
> Actually, perl 5 compiles Perl 5 into its own internal bytecode, and it has a
> virtual machine for executing it (though very different from either Parrot
> (Rakudo's virtual machine) or the JVM). I don't know why Scala is so slow, but
> it's possible you're affected by the notorious long Java startup time. I was
> told it was fixed in JDK 1.5.x, but I haven't tried it yet. That or it is
> possible that the Scala compiler has some overhead.
>
> Regards,
>
>        Shlomi Fish
>
> --
> -----------------------------------------------------------------
> Shlomi Fish       http://www.shlomifish.org/
> The Case for File Swapping - http://shlom.in/file-swap
>
> God considered inflicting XSLT as the tenth plague of Egypt, but then
> decided against it because he thought it would be too evil.
>
> Please reply to list if it's a mailing list post - http://shlom.in/reply .
> _______________________________________________
> Melbourne-pm mailing list
> Melbourne-pm at pm.org
> http://mail.pm.org/mailman/listinfo/melbourne-pm
>



-- 
Turning and turning in the widening gyre
The falcon cannot hear the falconer
Things fall apart; the center cannot hold
Mere anarchy is loosed upon the world