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ORGANIZER;CN=jason switzer:mailto:jswit...@gmail.com
UID:g3rsts66avsaacp817n7ri1...@google.com
ATTEND
On Thu, Jun 4, 2009 at 9:57 AM, TSa wrote:
> HaloO,
>
> Daniel Ruoso wrote:
>>
>> So the questions are:
>>
>> * Are there any imperative barriers in Perl 6?
>
> I would think that at least every method call is a barrier.
> An object's lifetime is a sequence of states and methods are either
> retu
HaloO,
Daniel Ruoso wrote:
So the questions are:
* Are there any imperative barriers in Perl 6?
I would think that at least every method call is a barrier.
An object's lifetime is a sequence of states and methods are either
returning information about the state or calculate a new state. The
Joshua Gatcomb wrote:
I think you are confusing profiling with benchmarking. Profiling
helps you identify where a problem is. Benchmarking helps you compare
two different versions of the same routine.
Whatever. I have a series of programs that test the speed of various
aspects of the languag
Now fixed in 9e2b9ad:
$ cat 66280
for 1,3 -> $i {
for $i..4 -> $j { say "$j,$i" };
$i.say;
}
$ ./perl6 66280
1,1
2,1
3,1
4,1
1
3,3
4,3
3
$
Test added to range.t. Closing ticket, thanks!
Pm
On Thu, Jun 4, 2009 at 11:16 AM, Daniel Carrera
wrote:
>
> The point of the benchmark is not "oh look, it's slower than Perl 5". The
> benchmarks are good for testing a specific aspect of the language, so it is
> easier to isolate *where* the problem is. This is harder on a real
> application.
I
Joshua Gatcomb wrote:
I know these benchmarks have their value, but I am more interested in
real practical code that I have previously written to solve a problem.
I know that the Rakudo code will be slower than the perl 5.
The point of the benchmark is not "oh look, it's slower than Perl 5".
T
On Wed, Jun 3, 2009 at 9:01 PM, Daniel Carrera
wrote:
> Hi Chris,
>
> In addition to Patrick's excellent reply, I'd like to mention that one way
> to help the project is to just write code in Perl 6. This is a good way to
> find bugs, including performance bugs.
I have just sent off an email to P
Chris Mair wrote:
... I'm porting the benchmarks from the Debian language shootout
to Perl 6... why don't you help me? ...
Yes, why not?
I was planning to exercise a little bit, anyhow.
google gave me this:
http://daniel.carrera.bz/_2009/perl/shootout-perl6-2009.05.27.tgz
Do you keep an over
On Wed Jun 03 06:08:46 2009, haakonsk wrote:
> This doesn't work:
> grammar A { rule TOP { 'a' ' b' {*} } }; my $m = A.parse('a b'); say $/;
> Result: Empty string
> Expected result: "a b"
Rakudo is correct here.
Whitespace in rules is metasyntactic -- it gets replaced by <.ws>.
So, the above r
Hi,
thanks for the replies!
I have a better understanding of these performance issues now.
(sidenote: replacing $i++ with $i = $i + 1 in my original example
gives a 4 times speed up).
Hi Chris,
In addition to Patrick's excellent reply, I'd like to mention that
one way to help the project
Hi,
Following my last reasoning on implicit threading and implicit
event-based programming[1], I came to two interesting realizations...
1 - Every object is potentially lazy, not only lists.
2 - Lazy doesn't mean "wait until I need the data", but "don't stall me
because of that data".
That bas
# New Ticket Created by Håkon Skaarud Karlsen
# Please include the string: [perl #66250]
# in the subject line of all future correspondence about this issue.
# http://rt.perl.org/rt3/Ticket/Display.html?id=66250 >
This works:
grammar A { rule TOP { 'a ' 'b' {*} } }; my $m = A.parse('a b');
Pm (>):
> I don't know if this is more along the lines of what you were looking
> for. If so, close the ticket, if not, tell us what you expect. :-)
Well, I have no idea what to expect either, but issue I submitted the
ticket for has been fixed, and this .HOW.say things seems to be a very
differ
If you want to write a fast parser for XML, preventing backtracking is
going to be quite essential. I suspect the problem is your grammar,
not the grammar engine itself. You could post it to perl6-users and
ask for advice on it.
Leon
On Thu, Jun 4, 2009 at 7:25 AM, Richard Hainsworth wrote:
> Is
# New Ticket Created by "Carl Mäsak"
# Please include the string: [perl #66270]
# in the subject line of all future correspondence about this issue.
# http://rt.perl.org/rt3/Ticket/Display.html?id=66270 >
rakudo: my $match = Perl6::Grammar.parse("say ",
:action(Perl6::Grammar::Actions.new))
On Wed, Jun 3, 2009 at 6:12 PM, Chris Mair wrote:
> Now, my problem is that perl6 code runs very slooow :(
>
> I understand this is all an early phase of development,
> but this is like 2 or 3 orders of magnitude slower than perl5 :(
>
> So, my question: is there something fundamentally
> fla
Fagyal Csongor wrote:
I very much agree with Patrick: an order-of-magnitude speed difference
compared to Perl5 is kind of the point where many will just stop caring
about performance and start using Rakudo/Perl6. Actually I expect a
significant increase in the number of new Perl6ers at around <
# New Ticket Created by Chris Fields
# Please include the string: [perl #66280]
# in the subject line of all future correspondence about this issue.
# http://rt.perl.org/rt3/Ticket/Display.html?id=66280 >
This is a nasty one. Using a Range with a lexical in an inner for
block with nested p
Hi,
I think featurewise Rakudo is now at a point where it could already be
use for some serious work. Surely many things are missing, but (for me)
the two most important things - good OOP support and types - are already
in. And the syntax is just lovely :) (I think I have a syntax-fetish... :)
# New Ticket Created by "Carl Mäsak"
# Please include the string: [perl #66272]
# in the subject line of all future correspondence about this issue.
# http://rt.perl.org/rt3/Ticket/Display.html?id=66272 >
rakudo: sub infix:(*...@a) is assoc('list') { [*] @a
}; say 7 !+ 6 !+ 10
rakudo 77db80
# New Ticket Created by "Carl Mäsak"
# Please include the string: [perl #66252]
# in the subject line of all future correspondence about this issue.
# http://rt.perl.org/rt3/Ticket/Display.html?id=66252 >
rakudo: my $x = "test"; given $x { say $_; m/(e.)/; say $/ }
rakudo c907d3: OUTPUT«
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