From jonathan at leto.net  Fri Nov  2 09:59:31 2012
From: jonathan at leto.net (Jonathan "Duke" Leto)
Date: Fri, 2 Nov 2012 09:59:31 -0700
Subject: [Pdx-pm] November meeting?
In-Reply-To: <201210311330.50254.enobacon@gmail.com>
References: <201210311330.50254.enobacon@gmail.com>
Message-ID: <CABQG1aR5kmiA_7mqpgjoK=1SHq_GRJqn41VdjrcMhTNkKo3ywg@mail.gmail.com>

Howdy,

Have we ever had a meeting about how to use Travis CI with Perl/CPAN
modules? Is there any interest in that?

https://travis-ci.org/

Duke


On Wed, Oct 31, 2012 at 1:30 PM, Eric Wilhelm <enobacon at gmail.com> wrote:

> Hi all,
>
> The November meeting is next Thursday (one week from tomorrow.)
>
> Does anyone have a topic?
>
> Thanks,
> Eric
> --
> ---------------------------------------------------
>     http://scratchcomputing.com
> ---------------------------------------------------
> _______________________________________________
> Pdx-pm-list mailing list
> Pdx-pm-list at pm.org
> http://mail.pm.org/mailman/listinfo/pdx-pm-list
>



-- 
Jonathan "Duke" Leto <jonathan at leto.net>
Leto Labs LLC http://labs.leto.net
209.691.DUKE http://dukeleto.pl
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From ben.hengst at gmail.com  Fri Nov  2 14:03:14 2012
From: ben.hengst at gmail.com (benh)
Date: Fri, 2 Nov 2012 14:03:14 -0700
Subject: [Pdx-pm] November meeting?
In-Reply-To: <CABQG1aR5kmiA_7mqpgjoK=1SHq_GRJqn41VdjrcMhTNkKo3ywg@mail.gmail.com>
References: <201210311330.50254.enobacon@gmail.com>
	<CABQG1aR5kmiA_7mqpgjoK=1SHq_GRJqn41VdjrcMhTNkKo3ywg@mail.gmail.com>
Message-ID: <CAAikAbymje=yeMp1L88SvsB=ehNTzfuu+3=7f94U1FGnfu43gA@mail.gmail.com>

Could be interesting, how does travis compare with CPANTS, how to set up
travis. Other tips/tricks/hooks and such.


On Fri, Nov 2, 2012 at 9:59 AM, Jonathan "Duke" Leto <jonathan at leto.net>wrote:

> Howdy,
>
> Have we ever had a meeting about how to use Travis CI with Perl/CPAN
> modules? Is there any interest in that?
>
> https://travis-ci.org/
>
> Duke
>
>
> On Wed, Oct 31, 2012 at 1:30 PM, Eric Wilhelm <enobacon at gmail.com> wrote:
>
>> Hi all,
>>
>> The November meeting is next Thursday (one week from tomorrow.)
>>
>> Does anyone have a topic?
>>
>> Thanks,
>> Eric
>> --
>> ---------------------------------------------------
>>     http://scratchcomputing.com
>> ---------------------------------------------------
>> _______________________________________________
>> Pdx-pm-list mailing list
>> Pdx-pm-list at pm.org
>> http://mail.pm.org/mailman/listinfo/pdx-pm-list
>>
>
>
>
> --
> Jonathan "Duke" Leto <jonathan at leto.net>
> Leto Labs LLC http://labs.leto.net
> 209.691.DUKE http://dukeleto.pl
>
> _______________________________________________
> Pdx-pm-list mailing list
> Pdx-pm-list at pm.org
> http://mail.pm.org/mailman/listinfo/pdx-pm-list
>



-- 
benh~

http://about.notbenh.info

Stability is not a Regression.
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From enobacon at gmail.com  Fri Nov  2 15:16:23 2012
From: enobacon at gmail.com (Eric Wilhelm)
Date: Fri, 2 Nov 2012 15:16:23 -0700
Subject: [Pdx-pm] November meeting?
In-Reply-To: <CAAikAbymje=yeMp1L88SvsB=ehNTzfuu+3=7f94U1FGnfu43gA@mail.gmail.com>
References: <201210311330.50254.enobacon@gmail.com>
	<CABQG1aR5kmiA_7mqpgjoK=1SHq_GRJqn41VdjrcMhTNkKo3ywg@mail.gmail.com>
	<CAAikAbymje=yeMp1L88SvsB=ehNTzfuu+3=7f94U1FGnfu43gA@mail.gmail.com>
Message-ID: <201211021516.23155.enobacon@gmail.com>

# from benh on Friday 02 November 2012:
>Could be interesting, how does travis compare with CPANTS, how to set
>up travis. Other tips/tricks/hooks and such.

Live demo?  Sounds like fun.

--Eric

From jonathan at leto.net  Mon Nov  5 20:18:07 2012
From: jonathan at leto.net (Jonathan "Duke" Leto)
Date: Mon, 5 Nov 2012 20:18:07 -0800
Subject: [Pdx-pm] November meeting?
In-Reply-To: <201211021516.23155.enobacon@gmail.com>
References: <201210311330.50254.enobacon@gmail.com>
	<CABQG1aR5kmiA_7mqpgjoK=1SHq_GRJqn41VdjrcMhTNkKo3ywg@mail.gmail.com>
	<CAAikAbymje=yeMp1L88SvsB=ehNTzfuu+3=7f94U1FGnfu43gA@mail.gmail.com>
	<201211021516.23155.enobacon@gmail.com>
Message-ID: <CABQG1aTUTEuRez3mF9d3Hwu4V4By72HKi8wn2=m8kk_2+7gDGA@mail.gmail.com>

Howdy,

Travis CI *can* be this simple:

1) Log into Travis CI and flip the bit on the repo to add CI
2) Put a .travis.yml file in your repo. Here is a relatively simple example
[0] suitable for most CPAN modules. This one that I wrote for Parrot [1]
does some whackier stuff and originally had to roll it's own Perl
dependency management.
3) Commit and push .travis.yml

If 1) doesn't work (maybe because it times out because you have too many
Github repos...), one can also use the Travis API key available in your
profile to enable Travis as a post-receive hook in the admin section of the
repo on Github. Step #1 automates this.

Let the record show that I have helped write a CI system using Perl + Git
called Jitterbug :

http://lumberjaph.net/jitterbug/

That takes more work to setup, but is still useful for private repos. All
public repos on Github can use Travis for free, but you gotta pay cash
money for private repos.

Have the appropriate amount of fun,

Duke

[0] https://github.com/leto/math--primality/blob/master/.travis.yml
[1] https://github.com/parrot/parrot/blob/master/.travis.yml


On Fri, Nov 2, 2012 at 3:16 PM, Eric Wilhelm <enobacon at gmail.com> wrote:

> # from benh on Friday 02 November 2012:
> >Could be interesting, how does travis compare with CPANTS, how to set
> >up travis. Other tips/tricks/hooks and such.
>
> Live demo?  Sounds like fun.
>
> --Eric
> _______________________________________________
> Pdx-pm-list mailing list
> Pdx-pm-list at pm.org
> http://mail.pm.org/mailman/listinfo/pdx-pm-list
>



-- 
Jonathan "Duke" Leto <jonathan at leto.net>
Leto Labs LLC http://labs.leto.net
209.691.DUKE http://dukeleto.pl
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From enobacon at gmail.com  Tue Nov  6 12:40:46 2012
From: enobacon at gmail.com (Seven til Seven)
Date: Tue, 6 Nov 2012 12:40:46 -0800
Subject: [Pdx-pm] CI throwdown - November meeting on Thursday
Message-ID: <201211061240.46322.enobacon@gmail.com>


  Thu. Nov 8th, 6:53pm at FreeGeek -- 1731 SE 10th Ave.

Travis CI, Jitterbug, and testing all the things.
 Speaker:  Jonathan "Duke" Leto

So, there's this dude named Travis who lives in a cloud and has nothing 
better to do on a Thursday night than download your latest commit, run 
your tests, and ridicule you on the twitternets when you broke the 
build... or something like that.  But even if you don't need your pocket 
to jiggle on the way to fried pies, you should have some sort of 
automated continuous integration setup testing your code to keep you and 
your commits working smoothly.  Jonathan will talk about Travis CI, 
demonstrate setting-up Travis for a public github project, and cover 
some of Jitterbug.


As usual, the meeting will be followed by social hour at the Lucky Lab 
Brew Pub.


Don't forget to vote today!  Oregon needs you to patch the constitution.

-- 
  http://pdx.pm.org/

From enobacon at gmail.com  Thu Nov  8 08:50:01 2012
From: enobacon at gmail.com (Seven til Seven)
Date: Thu, 8 Nov 2012 08:50:01 -0800
Subject: [Pdx-pm] CI throwdown - tonight
Message-ID: <201211080850.01892.enobacon@gmail.com>


  Thu. Nov 8th, 6:53pm at FreeGeek -- 1731 SE 10th Ave.

Travis CI, Jitterbug, and testing all the things.
 Speaker:  Jonathan "Duke" Leto

So, there's this dude named Travis who lives in a cloud and has nothing 
better to do on a Thursday night than download your latest commit, run 
your tests, and ridicule you on the twitternets when you broke the 
build... or something like that.  But even if you don't need your pocket 
to jiggle on the way to fried pies, you should have some sort of 
automated continuous integration setup testing your code to keep you and 
your commits working smoothly.  Jonathan will talk about Travis CI, 
demonstrate setting-up Travis for a public github project, and cover 
some of Jitterbug.


As usual, the meeting will be followed by social hour at the Lucky Lab 
Brew Pub.

-- 
  http://pdx.pm.org/

From jonathan at leto.net  Thu Nov  8 11:32:24 2012
From: jonathan at leto.net (Jonathan "Duke" Leto)
Date: Thu, 8 Nov 2012 11:32:24 -0800
Subject: [Pdx-pm] November meeting?
In-Reply-To: <CAEiHgGknozc0MQdL2_eyNpeJmSQoWS4HRvFkLuRH29b+DA6TKQ@mail.gmail.com>
References: <201210311330.50254.enobacon@gmail.com>
	<CABQG1aR5kmiA_7mqpgjoK=1SHq_GRJqn41VdjrcMhTNkKo3ywg@mail.gmail.com>
	<CAAikAbymje=yeMp1L88SvsB=ehNTzfuu+3=7f94U1FGnfu43gA@mail.gmail.com>
	<201211021516.23155.enobacon@gmail.com>
	<CABQG1aTUTEuRez3mF9d3Hwu4V4By72HKi8wn2=m8kk_2+7gDGA@mail.gmail.com>
	<CAEiHgGknozc0MQdL2_eyNpeJmSQoWS4HRvFkLuRH29b+DA6TKQ@mail.gmail.com>
Message-ID: <CABQG1aQCLt_6T+-8bt4rQtnFZchOJ8us4YHS8j3wH3EavY0fDg@mail.gmail.com>

Howdy,

Awesome! So glad my stream-of-consciousness description was useful.

As for your wishlist:

1) Yes, Travis only does Ubuntu Linux and I don't think they plan on doing
others, at least not for free.

If you want access to lots of crazy systems, I recommend the GCC compile
farm [0]. They are very friendly and give out access to any reasonable
request.

2) This *is* (mostly) possible by using environment variables, which you
can use to tell your code to run different kinds of tests and things like
that. If you bring this up in the meeting, I can try to answer some
specific questions.


Duke

[0] http://gcc.gnu.org/wiki/CompileFarm


On Thu, Nov 8, 2012 at 10:11 AM, Dana Jacobsen <dana.jacobsen at gmail.com>wrote:

> My Lord "Duke", and others,
>
>   Based on these instructions, I set up Travis CI on a couple of my repos
> in ~20 minutes -- much of that waiting for it to run before realizing it
> wanted a commit to trigger builds.  I found it started a build within a few
> seconds of my running 'git push' on my box (admittedly this was done in the
> middle of the night) and had final results within a few minutes.
>
> Very nice, very easy, and free.  It also found an issue with one of my new
> functions that I was able to quickly fix -- which definitely made it worth
> it.  I'm looking forward to hearing more about it tonight.
>
> Some things I wish it had:
>
>   - a plethora of different build environments for occasional testing.
> 32-bit vs. 64-bit, something non-x86, a big-endian target, Ubuntu / CentOS
> / Solaris / BSD / etc., Perl with threads vs. without, something with a
> non-gcc compiler, etc.  These are the things that are hard for me to test
> in my environment and would be great to have run before waiting for the
> CPANTesters results.
>
>  - a method to indicate additional builds with different dependencies.
> That is, I'd like one build to run on the bare system.  Another after GMP
> loaded.  Another with an additional module.  I try to do this by hand on my
> systems, but it's tough to remember to do all the combinations and having
> it run by CI would be great (obviously I'd have to specify the
> combinations).  I can think of lots of examples of this -- Any::Moose,
> Class Accessors that get opportunistically used, various XS modules that
> get used if they exist, and so on.  I do a lot of that in my modules, and I
> normally test it by hand.
>
> It's possible it has some of these and I just don't know how to do it.  I
> also realize some people aren't as concerned about running on obscure
> systems, or their modules aren't brittle so it almost never matters -- XS
> modules doing bit twiddling, and anything relating to threading have been
> my biggest issues.  Lastly, I realize it's free so I'm getting far more
> than my money's worth already.  Perhaps at the meeting we can discuss other
> systems that might easily allow these.
>
>   Dana
>
>
>
> On Mon, Nov 5, 2012 at 8:18 PM, Jonathan "Duke" Leto <jonathan at leto.net>wrote:
>
>> Howdy,
>>
>> Travis CI *can* be this simple:
>>
>> 1) Log into Travis CI and flip the bit on the repo to add CI
>> 2) Put a .travis.yml file in your repo. Here is a relatively simple
>> example [0] suitable for most CPAN modules. This one that I wrote for
>> Parrot [1] does some whackier stuff and originally had to roll it's own
>> Perl dependency management.
>> 3) Commit and push .travis.yml
>>
>> If 1) doesn't work (maybe because it times out because you have too many
>> Github repos...), one can also use the Travis API key available in your
>> profile to enable Travis as a post-receive hook in the admin section of the
>> repo on Github. Step #1 automates this.
>>
>> Let the record show that I have helped write a CI system using Perl + Git
>> called Jitterbug :
>>
>> http://lumberjaph.net/jitterbug/
>>
>> That takes more work to setup, but is still useful for private repos. All
>> public repos on Github can use Travis for free, but you gotta pay cash
>> money for private repos.
>>
>> Have the appropriate amount of fun,
>>
>> Duke
>>
>> [0] https://github.com/leto/math--primality/blob/master/.travis.yml
>> [1] https://github.com/parrot/parrot/blob/master/.travis.yml
>>
>>
>> On Fri, Nov 2, 2012 at 3:16 PM, Eric Wilhelm <enobacon at gmail.com> wrote:
>>
>>> # from benh on Friday 02 November 2012:
>>> >Could be interesting, how does travis compare with CPANTS, how to set
>>> >up travis. Other tips/tricks/hooks and such.
>>>
>>> Live demo?  Sounds like fun.
>>>
>>> --Eric
>>> _______________________________________________
>>> Pdx-pm-list mailing list
>>> Pdx-pm-list at pm.org
>>> http://mail.pm.org/mailman/listinfo/pdx-pm-list
>>>
>>
>>
>>
>> --
>> Jonathan "Duke" Leto <jonathan at leto.net>
>> Leto Labs LLC http://labs.leto.net
>> 209.691.DUKE http://dukeleto.pl
>>
>> _______________________________________________
>> Pdx-pm-list mailing list
>> Pdx-pm-list at pm.org
>> http://mail.pm.org/mailman/listinfo/pdx-pm-list
>>
>
>


-- 
Jonathan "Duke" Leto <jonathan at leto.net>
Leto Labs LLC http://labs.leto.net
209.691.DUKE http://dukeleto.pl
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From jonathan at leto.net  Fri Nov  9 15:41:48 2012
From: jonathan at leto.net (Jonathan "Duke" Leto)
Date: Fri, 9 Nov 2012 15:41:48 -0800
Subject: [Pdx-pm] Fwd: [Fixed] leto/math--gsl#19 (master - 9d9c24f)
In-Reply-To: <509d6ff965973_213e43b444254b@6a606878-05a9-4cd5-9b95-79d3433e5bf8.mail>
References: <509d6ff965973_213e43b444254b@6a606878-05a9-4cd5-9b95-79d3433e5bf8.mail>
Message-ID: <CABQG1aSc5MgA9FVeUrMYjzsdG5By-YpBTQpQ+O_yV7aYqaYvYQ@mail.gmail.com>

Howdy,

For those that were at the meeting last night, I caused the test suite for
my Math::GSL module to fail during my "tempt the live demo gods" part of my
talk. It does indeed turn out that the name of the swig binary has changed
in a recent Ubuntu release.

So, this was an instance of the CI system itself pointing out a fragile
part of the build system. The email below is an example of getting a
"Fixed" email from Travis.

Duke


---------- Forwarded message ----------
From: Travis-CI <notifications at travis-ci.org>
Date: Fri, Nov 9, 2012 at 1:04 PM
Subject: [Fixed] leto/math--gsl#19 (master - 9d9c24f)
To: "jonathan at leto.net" <jonathan at leto.net>


**
   The build was fixed.   Repository leto/math--gsl  Build #19
http://travis-ci.org/leto/math--gsl/builds/3133977  Changeset
https://github.com/leto/math--gsl/compare/1efc4dd8305e...9d9c24f8051a
Commit 9d9c24f (master)  Message Use the correct swig binary name in
GSLBuilder  Author Jonathan "Duke" Leto  Duration 3 minutes and 20 seconds
   You can configure recipients for build notifications in your configuration
file <http://about.travis-ci.org/docs/user/build-configuration>. Further
documentation about Travis CI can be found
here<http://about.travis-ci.org/docs>.
For help please join our IRC channel irc.freenode.net#travis.
    We need your help!

Travis CI has run 406,714 tests for 5,442 OSS projects to date, including
Ruby, Rails, Rubinius, Rubygems, Bundler, Node.js, Leiningen, Symfony ...

If you use any of these then you benefit from Travis CI.

Please donate so we can make Travis CI even better!<http://love.travis-ci.org>
        <http://cloudcontrol.com>  cloudControl
<http://cloudcontrol.com>is PaaS made in Berlin, Germany. Since 2009
we're dedicated to supercharge
development by building the best platform possible to help developers build
better apps faster.
   The delivery of this email was kindly sponsored by
Postmark<http://postmarkapp.com>,
an amazing service for transactional email delivery.

See all of our sponsors ? <http://love.travis-ci.org/sponsors>




-- 
Jonathan "Duke" Leto <jonathan at leto.net>
Leto Labs LLC http://labs.leto.net
209.691.DUKE http://dukeleto.pl
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From enobacon at gmail.com  Wed Nov 21 15:52:02 2012
From: enobacon at gmail.com (Eric Wilhelm)
Date: Wed, 21 Nov 2012 15:52:02 -0800
Subject: [Pdx-pm] December meeting
Message-ID: <201211211552.02248.enobacon@gmail.com>

Hi all,

As you're dozing off after dinner tomorrow, keep in mind that our next 
meeting is only 3 weeks away and nobody has volunteered to present 
something (except for Schwern, who still doesn't know he volunteered.)

--Eric

From ben.hengst at gmail.com  Sun Nov 25 23:50:01 2012
From: ben.hengst at gmail.com (benh)
Date: Sun, 25 Nov 2012 23:50:01 -0800
Subject: [Pdx-pm] Fwd: UG News: Save 50% on All Ebooks & Videos - Cyber
	Monday Only
In-Reply-To: <1353915548.24650.0.744988@post.oreilly.com>
References: <1353915548.24650.0.744988@post.oreilly.com>
Message-ID: <CAAikAbzUvh3agrxEZDC9Uq_6QGCZiHEmiBONR6Gi0CU=52Ov2A@mail.gmail.com>

---------- Forwarded message ----------
From: Marsee Henon & Jon Johns <usergroups at post.oreilly.com>
Date: Sun, Nov 25, 2012 at 11:39 PM
Subject: UG News: Save 50% on All Ebooks & Videos - Cyber Monday Only
To: ben.hengst+oreilly at gmail.com


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You are receiving this email because you are a User Group contact with
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-- 
benh~

http://about.notbenh.info

Stability is not a Regression.
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From enobacon at gmail.com  Mon Nov 26 17:35:26 2012
From: enobacon at gmail.com (Eric Wilhelm)
Date: Mon, 26 Nov 2012 17:35:26 -0800
Subject: [Pdx-pm] 5.10+ features - lightning talks?
Message-ID: <201211261735.26822.enobacon@gmail.com>

Hi all,

This keeps coming up as a potential meeting topic, but I'm wondering if 
we can start a running feature out of it.  What about giving a short 
overview of 1-3 of your favorite newish features?  Anybody want to 
volunteer to do the first one?  (see also 
http://www.slideshare.net/rjbs/whats-new-in-perl-v510-v516)

Thanks,
Eric
-- 
---------------------------------------------------
    http://scratchcomputing.com
---------------------------------------------------

From teknotus at gmail.com  Tue Nov 27 19:53:37 2012
From: teknotus at gmail.com (Daniel Johnson)
Date: Tue, 27 Nov 2012 19:53:37 -0800
Subject: [Pdx-pm] Winter Coders Social
Message-ID: <CA+nDE0icst7HkkzQmuj623Yb=4rCgobYqY3dxqF=VMfTAawW-w@mail.gmail.com>

The 6th Annual Winter Coders' Social and Potluck is just around the
corner. Add it to your calendar:
http://calagator.org/events/1250463028

* WHEN: Tuesday, December 11, 2012 from 6?10pm
* WHERE: Urban Airship, 334 NW 11th Avenue, Portland, OR 97209
http://goo.gl/maps/U6mC
* POTLUCK: Signup at: http://bit.ly/winter-social-2012-potluck
* RAFFLE: Many excellent prizes will be available.


Join Portland's tech community in celebrating the end of another year.
This is a fun, free annual event where members of local user groups
and their families are invited to mingle, eat and play games. This is
the sixth time the event's been held and it's lots of fun every time.

We'll have a potluck, so you're welcome to bring something yummy to
share with others. If possible, label your food and whether it meets
particular dietary needs, e.g. "vegan", "vegetarian", gluten-free",
etc. If you'd like, tell others what you plan to bring, or see what
others are bringing at: http://bit.ly/winter-social-2012-potluck. We'll
provide some beverages, plates, cups, utensils and napkins.

Like games? Bring your favorites and play them with others. We'll have
some rooms with tables set aside. Have an activity or contest that
you'd like to organize? Join the discussion at
https://groups.google.com/group/pdxgroups.

Please spread the word, all are welcome. See you there!

From enobacon at gmail.com  Thu Nov 29 16:29:14 2012
From: enobacon at gmail.com (Seven til Seven)
Date: Thu, 29 Nov 2012 16:29:14 -0800
Subject: [Pdx-pm] Prime Number Generation in Perl -- December meeting in 2
	weeks
Message-ID: <201211291629.14304.enobacon@gmail.com>

Thursday, December 13th, 6:53pm at FreeGeek -- 1731 SE 10th Ave.

Prime Number Generation in Perl
 speaker: Dana Jacobsen

Dana will give a brief introduction to primes, primality testing, and 
sieves, then show examples in Perl. Dana is the author of the 
Math::Prime::Util module on CPAN.

Outline:
  * Primes
  * Applications
  * Primality testing in Perl
  * Sieves
  * 15 sieve implementations in Perl including a new string-based sieve
  * 6 CPAN modules
  * Performance and memory use
  * Prime Counting

Sadly a lot of the web examples of Perl sieves are quite bad, often 3-6x 
slower than Perl can do. We can do better! There are also a number of 
CPAN modules related to primes, which will briefly be covered.


As usual, the meeting will be followed by social hour at the lucky lab.
-- 
http://pdx.pm.org

From andrew.clapp at gmail.com  Thu Nov 29 16:36:16 2012
From: andrew.clapp at gmail.com (Andrew Clapp)
Date: Thu, 29 Nov 2012 16:36:16 -0800
Subject: [Pdx-pm] Prime Number Generation in Perl -- December meeting in
	2 weeks
In-Reply-To: <201211291629.14304.enobacon@gmail.com>
References: <201211291629.14304.enobacon@gmail.com>
Message-ID: <CAAQZg3MO0nBwmJvhjes-vPMLng4XyZQy9mAVu0KCBwkLJfMbNQ@mail.gmail.com>

Sweet!  Got any links for us to whet our appetites?

-ASC

On Thu, Nov 29, 2012 at 4:29 PM, Seven til Seven <enobacon at gmail.com> wrote:

> Prime Number Generation in Perl




-- 

Andrew S. Clapp
Aeonic Enterprises
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From enobacon at gmail.com  Thu Nov 29 16:39:50 2012
From: enobacon at gmail.com (Eric Wilhelm)
Date: Thu, 29 Nov 2012 16:39:50 -0800
Subject: [Pdx-pm] Prime Number Generation in Perl -- December meeting in
	2 weeks
In-Reply-To: <CAAQZg3MO0nBwmJvhjes-vPMLng4XyZQy9mAVu0KCBwkLJfMbNQ@mail.gmail.com>
References: <201211291629.14304.enobacon@gmail.com>
	<CAAQZg3MO0nBwmJvhjes-vPMLng4XyZQy9mAVu0KCBwkLJfMbNQ@mail.gmail.com>
Message-ID: <201211291639.51180.enobacon@gmail.com>

# from Andrew Clapp on Thursday 29 November 2012:
>Sweet!  Got any links for us to whet our appetites?

  http://pdx.pm.org/kwiki/?December2012Meeting

Dana included several links ^-- there.
-- 
---------------------------------------------------
    http://scratchcomputing.com
---------------------------------------------------

From keithl at gate.kl-ic.com  Thu Nov 29 18:37:07 2012
From: keithl at gate.kl-ic.com (Keith Lofstrom)
Date: Thu, 29 Nov 2012 18:37:07 -0800
Subject: [Pdx-pm] Prime Number Generation in Perl -- December meeting in
	2 weeks
In-Reply-To: <201211291639.51180.enobacon@gmail.com>
References: <201211291629.14304.enobacon@gmail.com>
	<CAAQZg3MO0nBwmJvhjes-vPMLng4XyZQy9mAVu0KCBwkLJfMbNQ@mail.gmail.com>
	<201211291639.51180.enobacon@gmail.com>
Message-ID: <20121130023707.GA4764@gate.kl-ic.com>

# from Andrew Clapp on Thursday 29 November 2012:
>Sweet!  Got any links for us to whet our appetites?

On Thu, Nov 29, 2012 at 04:39:50PM -0800, Eric Wilhelm wrote:
>   http://pdx.pm.org/kwiki/?December2012Meeting
> 
> Dana included several links ^-- there.

Is this about itsy bitsy tiny int[32] primes, or big 4 kbit
primes, such as are used for cryptography, and are sieved 
with probabilistic number-theoretic wizardry?  The examples
look like little numbers and simple tests.

But then, I'm an engineer, and as the punchline to the joke goes,
"1 is prime, 3 is prime, 5 is prime, 7 is prime, 9 is prime ..."
Also, my private key is 17.

Keith

-- 
Keith Lofstrom          keithl at keithl.com         Voice (503)-520-1993

From shlomif at shlomifish.org  Fri Nov 30 01:21:02 2012
From: shlomif at shlomifish.org (Shlomi Fish)
Date: Fri, 30 Nov 2012 11:21:02 +0200
Subject: [Pdx-pm] Prime Number Generation in Perl -- December meeting in
 2 weeks
In-Reply-To: <201211291629.14304.enobacon@gmail.com>
References: <201211291629.14304.enobacon@gmail.com>
Message-ID: <20121130112102.35a7c212@lap.shlomifish.org>

Hi all,

On Thu, 29 Nov 2012 16:29:14 -0800
Seven til Seven <enobacon at gmail.com> wrote:

> Thursday, December 13th, 6:53pm at FreeGeek -- 1731 SE 10th Ave.
> 
> Prime Number Generation in Perl
>  speaker: Dana Jacobsen
> 
> Dana will give a brief introduction to primes, primality testing, and 
> sieves, then show examples in Perl. Dana is the author of the 
> Math::Prime::Util module on CPAN.
> 
> Outline:
>   * Primes
>   * Applications
>   * Primality testing in Perl
>   * Sieves
>   * 15 sieve implementations in Perl including a new string-based sieve
>   * 6 CPAN modules
>   * Performance and memory use
>   * Prime Counting
> 
> Sadly a lot of the web examples of Perl sieves are quite bad, often 3-6x 
> slower than Perl can do. We can do better! There are also a number of 
> CPAN modules related to primes, which will briefly be covered.
> 

Very interesting. I'd be happy to read the slides.

Note that I had blogged about some Perl, Haskell and C programs for
generating the primes here:

http://shlomif-tech.livejournal.com/44006.html

Also see the comments. I do not claim they are the most optimal solution, but
the Haskell program I started with was quite worse, due to an excessive use of
division-based operators.

Regards,

	Shlomi Fish

-- 
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