Graal Forums  

Go Back   Graal Forums > Development Forums > NPC Scripting
FAQ Members List Calendar Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
  #16  
Old 03-26-2008, 09:43 PM
DustyPorViva DustyPorViva is offline
Will work for food. Maybe
DustyPorViva's Avatar
Join Date: Sep 2003
Location: Maryland, USA
Posts: 9,589
DustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond repute
Send a message via AIM to DustyPorViva Send a message via MSN to DustyPorViva
Dunno but it seems to show up in every single one of these exercises :/
Reply With Quote
  #17  
Old 03-26-2008, 09:44 PM
Chompy Chompy is offline
¯\(º_o)/¯
Chompy's Avatar
Join Date: Sep 2006
Location: Norway
Posts: 2,815
Chompy is just really niceChompy is just really niceChompy is just really nice
Send a message via MSN to Chompy
Quote:
Originally Posted by DustyPorViva View Post
Dunno but it seems to show up in every single one of these exercises :/
*points at HR and pfa*

hehe
__________________
Reply With Quote
  #18  
Old 03-26-2008, 09:49 PM
Tolnaftate2004 Tolnaftate2004 is offline
penguin.
Join Date: Jul 2004
Location: Berkeley, CA
Posts: 534
Tolnaftate2004 is a jewel in the roughTolnaftate2004 is a jewel in the rough
Send a message via AIM to Tolnaftate2004
Quote:
Originally Posted by Inverness View Post
What the hell are you talking about?
This is big O notation, it is how we measure the efficiency of algorithms, without being hardware-specific. The O stands for order, which can take 2 meanings:
  1. In mathematics, O(f) is for all terms order f and above. f is usually a function where the parameter is much less than 1 (error terms).
  2. In computer science O(f) is the major factor in determining algorithm efficiency. f is a function of n, which is a whole number.

For example, the quicksort algorithm is O(n log n) [for every item to sort, it takes log base 2 of n loops to find its place].
__________________
◕‿‿◕ · pfa · check yer syntax! · src

Killa Be: when i got that locker in 6th grade the only thing in it was a picture of a midget useing a firehose :/

Last edited by Tolnaftate2004; 03-26-2008 at 10:04 PM..
Reply With Quote
  #19  
Old 03-26-2008, 10:18 PM
cbk1994 cbk1994 is offline
the fake one
cbk1994's Avatar
Join Date: Mar 2003
Location: San Francisco
Posts: 10,718
cbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond repute
Send a message via AIM to cbk1994
Quote:
Originally Posted by xXziroXx View Post
How about making Programming Exercise #4 something that we normal mortals stand a chance at?
This isn't really that hard, you could do this! Think about it

EDIT:

I fixed mine, it wins now. It goes something like this:

PHP Code:
function onCreated()
{
  echo( 
"time going in: 12412412412.1241023" );
  
findpatterns();
  echo( 
"finished: 12412412412.124104" );
  echo( 
"elapsed time: .000001" );

__________________
Reply With Quote
  #20  
Old 03-26-2008, 10:26 PM
Inverness Inverness is offline
Incubator
Inverness's Avatar
Join Date: Aug 2004
Location: Houston, Texas
Posts: 3,613
Inverness is a jewel in the roughInverness is a jewel in the rough
Well, after having this explained to me I'm kinda ticked that this wasn't even pointed out from the start.

If I were to optimize my script I would have used Drakilor's method which for me to do now would just be copying.
__________________
Reply With Quote
  #21  
Old 03-27-2008, 12:02 AM
Chompy Chompy is offline
¯\(º_o)/¯
Chompy's Avatar
Join Date: Sep 2006
Location: Norway
Posts: 2,815
Chompy is just really niceChompy is just really niceChompy is just really nice
Send a message via MSN to Chompy
PHP Code:
function findpatterns(string) {
  
temp.time timevar2;
  
temp.out 0;
  
temp.check 0;

  for (
temp.2string.length()/2++) {
    for (
temp.0string.length()/2++) {
      if (
i+j+string.length()-2) continue;
      
temp.letters temp.string.substring(ji);
      
      if (
check.index(letters) > -1) continue;
      if (
letters.length() < 2) continue;
      
      
temp.pos string.positions(letters);
      if (
pos.size() < 2) continue;
      
      
check.add(letters);
      
out.add({letterspos.size()});
    }
  }
  echo(
"Delta Time: "timevar2-time);
  return 
out;


Example1:
PHP Code:
function onCreated() {
  echo(
findpatterns("TAPEREDATAPER"));
}
/*
  output:
  
  Weapon/GUI-script ChompyT added/updated by Chompy
  Delta Time: 0.000427007
  "TA,2","AP,2","PE,2","ER,2","TAP,2","APE,2","PER,2","TAPE,2","APER,2","TAPER,2"
*/ 
Example2:
PHP Code:
function onCreated() {
  echo(
findpatterns("AUGCCCGTAUACGTA"));
}
/*
  output:

  Weapon/GUI-script ChompyT added/updated by Chompy
  Delta Time: 0.000540971
  "AU,2","CC,2","CG,2","GT,2","TA,2","CGT,2","GTA,2","CGTA,2"
*/ 
__________________
Reply With Quote
  #22  
Old 03-27-2008, 01:36 AM
DrakilorP2P DrakilorP2P is offline
Registered User
DrakilorP2P's Avatar
Join Date: Apr 2006
Posts: 755
DrakilorP2P is just really niceDrakilorP2P is just really nice
Quote:
Originally Posted by Chompy View Post
PHP Code:
  for (temp.2string.length()/2++) { 
Won't that miss the "AAAAAAAAA" pattern that occurs twice in "AAAAAAAAAA"?
Reply With Quote
  #23  
Old 03-27-2008, 02:04 AM
Tolnaftate2004 Tolnaftate2004 is offline
penguin.
Join Date: Jul 2004
Location: Berkeley, CA
Posts: 534
Tolnaftate2004 is a jewel in the roughTolnaftate2004 is a jewel in the rough
Send a message via AIM to Tolnaftate2004
Quote:
Originally Posted by Inverness View Post
Well, after having this explained to me I'm kinda ticked that this wasn't even pointed out from the start.
This has always been the point of the Programming Exercises. Perhaps you need to think differently to solve this problem by better methods, rather than the obvious...

@Chris, you started your algorithm 355 years into the future? Also you fail at subtracting.

e: Here are exact (well, kinda) loop count functions for the algorithms (n=str.length()):
Inverness:
Where epsilon (the E) is a number representative of the other loops that lead to 'continue;'. The script could be adjusted slightly to eliminate this term.
DrakilorP2P:
It should be pretty obvious where I get the O(n^2) from...
__________________
◕‿‿◕ · pfa · check yer syntax! · src

Killa Be: when i got that locker in 6th grade the only thing in it was a picture of a midget useing a firehose :/

Last edited by Tolnaftate2004; 03-27-2008 at 06:26 AM..
Reply With Quote
  #24  
Old 03-27-2008, 03:39 AM
cbk1994 cbk1994 is offline
the fake one
cbk1994's Avatar
Join Date: Mar 2003
Location: San Francisco
Posts: 10,718
cbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond repute
Send a message via AIM to cbk1994
Quote:
Originally Posted by Tolnaftate2004 View Post
Chris, you started your algorithm 355 years into the future? Also you fail at subtracting.
PSHAW
__________________
Reply With Quote
  #25  
Old 03-27-2008, 05:17 AM
Inverness Inverness is offline
Incubator
Inverness's Avatar
Join Date: Aug 2004
Location: Houston, Texas
Posts: 3,613
Inverness is a jewel in the roughInverness is a jewel in the rough
Quote:
Originally Posted by Tolnaftate2004 View Post
This has always been the point of the Programming Exercises.
Very nice of you GSTs to give programming exercises without explaining the point.

You also have yet to point out to others what functions they should be avoiding and why.
Quote:
Originally Posted by Tolnaftate2004 View Post
Perhaps you need to think differently to solve this problem by better methods, rather than the obvious...
Like I've said, if your ranking system/method of measuring had been pointed out in the first place then maybe I would have made a script thats better on your ranking system instead of on Graal's.

You need to come down to the level of us mortals.
__________________
Reply With Quote
  #26  
Old 03-27-2008, 05:34 AM
Tolnaftate2004 Tolnaftate2004 is offline
penguin.
Join Date: Jul 2004
Location: Berkeley, CA
Posts: 534
Tolnaftate2004 is a jewel in the roughTolnaftate2004 is a jewel in the rough
Send a message via AIM to Tolnaftate2004
Quote:
Originally Posted by Inverness View Post
Very nice of you GSTs to give programming exercises without explaining the point.
Quote:
Originally Posted by Kristi in Programming Exercise #1 View Post
So, there is a lot of help around here dealing with syntax of scripting, but I don't see much discussion on best algorithms. Be this the case, I am going to every so often (when I feel like it) post some mathematically cool problem for you all to help each other solve and break some mental barriers.

...
Remember, the goal is to make this as efficient as possible with graal script.
Quote:
Originally Posted by Inverness View Post
You also have yet to point out to others what functions they should be avoiding and why.
Do you want me to rank them or tell you how efficient I think they are? x-x

Quote:
Originally Posted by Inverness View Post
Like I've said, if your ranking system/method of measuring had been pointed out in the first place then maybe I would have made a script thats better on your ranking system instead of on Graal's.
The theory behind big-O notation is that it should be an accurate measure of code efficiency regardless of language or hardware. Different servers run the same code in different time. Additionally, though big-O is only an approximation, it is most accurate for LARGE n.

I don't see what you're so upset about, you made a good contribution.
__________________
◕‿‿◕ · pfa · check yer syntax! · src

Killa Be: when i got that locker in 6th grade the only thing in it was a picture of a midget useing a firehose :/

Last edited by Tolnaftate2004; 03-27-2008 at 05:54 AM..
Reply With Quote
  #27  
Old 03-27-2008, 05:45 AM
cbk1994 cbk1994 is offline
the fake one
cbk1994's Avatar
Join Date: Mar 2003
Location: San Francisco
Posts: 10,718
cbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond reputecbk1994 has a reputation beyond repute
Send a message via AIM to cbk1994
I bet I could beat my previous time of 12 seconds by triggering my web server which would use awesome fast PHP to find patterns, then return them to Graal.

Slower than some, but surely faster than 12 seconds?
__________________
Reply With Quote
  #28  
Old 03-27-2008, 06:41 AM
Inverness Inverness is offline
Incubator
Inverness's Avatar
Join Date: Aug 2004
Location: Houston, Texas
Posts: 3,613
Inverness is a jewel in the roughInverness is a jewel in the rough
I'm upset because you're evaluating based on this big-O thing but didn't state that in the first place and explain it.

Anyhow, if the goal is "to make this as efficient as possible with graal script" then you should be measuring based on time to complete instead of your big-O thing since the hard-coded functions do have a notable speed difference.
__________________
Reply With Quote
  #29  
Old 03-27-2008, 06:46 AM
DustyPorViva DustyPorViva is offline
Will work for food. Maybe
DustyPorViva's Avatar
Join Date: Sep 2003
Location: Maryland, USA
Posts: 9,589
DustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond reputeDustyPorViva has a reputation beyond repute
Send a message via AIM to DustyPorViva Send a message via MSN to DustyPorViva
If it's going to be based on time they would all have to be done on one computer instead of us each executing them as our computer speeds can change the time.
Reply With Quote
  #30  
Old 03-27-2008, 06:59 AM
Inverness Inverness is offline
Incubator
Inverness's Avatar
Join Date: Aug 2004
Location: Houston, Texas
Posts: 3,613
Inverness is a jewel in the roughInverness is a jewel in the rough
Quote:
Originally Posted by DustyPorViva View Post
If it's going to be based on time they would all have to be done on one computer instead of us each executing them as our computer speeds can change the time.
I was assuming pfa would do that?

And could you "pfa" get yourself a new account or put the proper way to address you in your signature or something? I can't go calling you Tolnaftate2004 or a shortened version of it and I'm not sure if I should be calling you "pfa" either and didn't even know about that until the announcement that you became GST.
__________________
Reply With Quote
Reply

Tags
pattern-matching, programming-exercise

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +2. The time now is 11:06 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright (C) 1998-2019 Toonslab All Rights Reserved.