Re: [rules-users] Using java to score solutions in drools planner
Op 30-01-12 21:22, babsher schreef: From what I have read in the user documentation the DRL format is just one way to score a solution. I already have a java library that will develop scores for my domain. Is there a way to skip creating rules and use the existing code I have? Is it as simple as just overriding the getScore function in my solution class? Currently, out-of-the-box, DRL is the only way, but there's been more and more demand of providing a plain old java alternative. Here's the issue: https://issues.jboss.org/browse/JBRULES-3367 (watch/vote if it's important to you) It's not that hard to hack it: - Overwrite SolutionDescriptor and return a dummy WorkingMemory in SolutionDescriptor.getWorkingMemory(). - Call your java code in SolutionDescriptor.calculateScore(). Make sure you understand the concept of delta score calculation, the main reason why DRL as score calculation is a good idea: http://docs.jboss.org/drools/release/5.4.0.Beta1/drools-planner-docs/html_single/index.html#deltaBasedScoreCalculation Not doing delta's kills scalability. Thanks, Bryan -- View this message in context: http://drools.46999.n3.nabble.com/Using-java-to-score-solutions-in-drools-planner-tp3701137p3701137.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users -- With kind regards, Geoffrey De Smet ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] [planner] Where do I code the calculation for a derieved property of the planning entity?
Op 31-01-12 07:51, aitchnyu schreef:
I am making a 2X2 sudoku game, modeled after Nqueens example. A `Digit` class
is assigned a `column` and `row` object. The `row` is the planning entity.
But a sudoku game also has a `block`, which is to be calculated from `row`
and `column`. Two digits cannot share a block. A block is null when the row
is null, and a numerical value that will be equal for all digits in the row.
Question: where do I tell the `Digit` object to recalculate it's `block`?
Don't.
A move just changes the value of a Digit: it's up to the score rules to
use score rules to calculate the effect to the Block.
you could do a score rule like this:
when
Digit($v : value, $b: block, $id)
Digit(value == $v, block == $b, id $id)
then
// the value $v twice in the same block
I
did it in doMove, but it is misses most places the object is updated (as per
my attempts at logging). Must I set it to update itself when the `row`
property of the object changes, say at `setRow()`?
A 2X2 sudoku: http://mypuzzle.org/sudoku/kid.html
private integer block;
...
public Integer getBlock(){
return block;
}
public void setBlock(int not_used){
if(this.row==null)
this.block=null;
else
this.block=10*(this.row.getIndex()/2)+this.column.getIndex()/2;
}
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Re: [rules-users] Accumulate function, events and stream processing
Thanks for your help. This sentence is working properly (i've tried it out of this rule) and count(1) doesn't give me anything. when Number( $total : doubleValue ) from accumulate( StateEvent(itemName==Temperatura, $val : newState) over window:length( 5 ), count ( 1 )) then Always returning 0.0, with every fact i put in the working memory. Any idea? -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-Accumulate-function-events-and-stream-processing-tp3700577p3702702.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Accumulate function, events and stream processing
If count() returns 0 then you don't have any matching StateEvent facts in Working Memory. - Do you enter via an entry point? - Does a rule using StateEvent(itemName==Temperatura) fire? -W On 31/01/2012, juankera juank...@gmail.com wrote: Thanks for your help. This sentence is working properly (i've tried it out of this rule) and count(1) doesn't give me anything. when Number( $total : doubleValue ) from accumulate( StateEvent(itemName==Temperatura, $val : newState) over window:length( 5 ), count ( 1 )) then Always returning 0.0, with every fact i put in the working memory. Any idea? -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-Accumulate-function-events-and-stream-processing-tp3700577p3702702.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Comparisions
Hi, Please to tell what is the difference between update and modify method in drools? -- View this message in context: http://drools.46999.n3.nabble.com/Comparisions-tp3702956p3702956.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Guvnor Global Area Usage Restirictions
On 2012/1/28 7:00, domingo wrote: I imported some pakages into Guvnor and I want to put it into Global Area. The following are my observation... 1. Import action create new package into *'Packages' *section do not have option like want to put *Global Area* or *Packages*. 2. After import into Packages I want to move the packages to Global Area but package level is not possible. Hi, the global area itself is actually a special package whose assets can be shared among packages. The idea is to encourage users to reuse common assets across packages. Thus I do not see it is a valid case to import packages into the Global area or move packages into the global area. 3. To move my rules files into Global area..I have to open the individual rules then only Edit menu shows the Promote to Global option. If I have 20 or 30 rules in the package I have to the same thing 30 times. It is very timetaking and think not good idea. what happen If have 30 packages and each package having 30 rules. Yes, a bulk promote function will be helpful. Please raise a jira for this. Thanks. As a side note, I doubt you will run into a scenario where you need to promote 30X30 assets to the Global area. Please remember, the Global area should only contain assets that are designed to shared among all packages. Cheers, Jervis I am not sure I am using *Guvnor5.3* effectively or not. *In the documentation(Guvnor5.3) I noticed two lines only about the Global area.*Please some one can guide me. - with kind regards, -- View this message in context: http://drools.46999.n3.nabble.com/Guvnor-Global-Area-Usage-Restirictions-tp3694809p3694809.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Comparisions
The Expert manual, in the section on The Right Hand Side (then) discusses both the modify statement and the update() method call. If you still have doubts after reading this, email again. -W On 31/01/2012, bathakaraithangam bathaka...@gmail.com wrote: Hi, Please to tell what is the difference between update and modify method in drools? -- View this message in context: http://drools.46999.n3.nabble.com/Comparisions-tp3702956p3702956.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] DSL for multiple 'OR'
Hi,
Starting from 5.4.0.beta2 you can use BRL fragments in decision tables.
This will allow you to define a column like this:-
$c : Cucumber()
Cucumber( this == $c, numberOfWormHoles {@holes} )
Cucumber( this == $c, curvaturePerLengthUnit {@curvature} )
Cucumber( this == $c, hue {@minHue} || {@maxHue} )
You will then be presented with columns for each of the variables ({@XXX}
in the above).
If you do not specify *all* values for a pattern the pattern will not be
included in the generated rules. For example:-
@holes=0, @curvature=empty, @minHue=90, @maxHue=150 would generate:-
$c : Cucumber()
Cucumber( this == $c, numberOfWormHoles 0 )
Cucumber( this == $c, hue 90 || 150 )
You could equally define multiple BRL fragment columns like this:-
Column 1 - $c : Cucumber()
Column 2 - Cucumber( this == $c, numberOfWormHoles {@holes} )
Column 3 - Cucumber( this == $c, curvaturePerLengthUnit {@curvature} )
Column 4 - Cucumber( this == $c, hue {@minHue} || {@maxHue} )
Resulting in the same operation.
The || requirement makes using a decision table pre-5.4.0.beta2 impossible,
however if you could re-think your logic to use 's it is possible but
messier.
With kind regards,
Mike
2012/1/30 Stephen Masters stephen.mast...@me.com
Hi folks,
I'm trying to create a DSL (to drive a Guvnor guided editor), for which a
rule could be written as:
Given a cucumber
- containing one or more worm holes
- or with a curvature greater than 10mm per 10 cm length
- or with a hue of less than 90 degrees
- or with a hue of greater than 150 degrees
Do not put that cucumber on the supermarket shelf
(note: I'm actually developing a banking risk management system looking at
different types of counterparty ratings, rather than a fruitveg quality
control system, but hopefully the above example is more readable!)
Is there a decent metaphor that could be used by a business user in Guvnor
to manage such rules in one place? Or is it likely to be necessary to
create multiple rules?
As far as I understand, every condition added to a rule through such DSLRs
adds itself to the filter. i.e. They are AND rather than OR.
The other metaphor I could think of is the decision table as a neat
interface for generating multiple rules, but that seems to be geared
towards creating rules based on multiple values of a single attribute
rather than multiple conditions.
I'm trying to keep the user interface as simple as possible, so any
thoughts would be appreciated.
Cheers,
Steve
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[rules-users] Adventures example
Hi, I've been trying to get the drools examples from the 5.3 final zip to work, but I seem to be stuck on the adventures example, the one I'm trying to understand because of the use of the query syntax. All other examples work, but as for Adventures eclipse reports errors on importing declarations and analyzing expressions in e.g. Commands.drl. When I run the examples from command line or even eclipse it does compile and run the adventures example, so the problem seems to be related to the plugin. Thanks, Tom Schut -- View this message in context: http://drools.46999.n3.nabble.com/Adventures-example-tp3703045p3703045.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] DSL for multiple 'OR'
Hi Mike,I watched your blog/video about the BRL fragment functionality in decision tables (http://blog.athico.com/2012/01/guided-decision-table-supports-brl.html) a few weeks back. It sounds like it provides some of the template capabilities I remember from working with Fico Blaze Adviser a little while back. I was wondering why I was struggling to reproduce it, butI guess I need to wait for 5.4 to go live as I don't think using a beta version would be a great idea here!I think that for now I'll opt for multiple rules, as there *should* not be too many. With some sensible use of categories and work items, hopefully I can keep the interface clean enough for now.However I reckon I'll have a go at running up a 5.4.0.beta2 environment to try this out. I'd like to see whether I can take advantage of it to improve things ready for an update when things go final.Thanks for the pointers.SteveOn Jan 31, 2012, at 12:00 PM, Michael Anstis michael.ans...@gmail.com wrote:Hi,Starting from 5.4.0.beta2 you can use BRL fragments in decision tables.This will allow you to define a column like this:-$c : Cucumber()Cucumber( this == $c, numberOfWormHoles {@holes} ) Cucumber( this == $c, curvaturePerLengthUnit {@curvature} )Cucumber( this == $c, hue {@minHue} || {@maxHue} )You will then be presented with columns for each of the "variables" ({@XXX} in the above). If you do not specify *all* values for a pattern the pattern will not be included in the generated rules. For example:-@holes=0, @curvature=empty, @minHue=90, @maxHue=150 would generate:-$c : Cucumber() Cucumber( this == $c, numberOfWormHoles 0 ) Cucumber( this == $c, hue 90 || 150 ) You could equally define multiple BRL fragment columns like this:- Column 1 - $c : Cucumber() Column 2 - Cucumber( this == $c, numberOfWormHoles {@holes} ) Column 3 - Cucumber( this == $c, curvaturePerLengthUnit {@curvature} ) Column 4 - Cucumber( this == $c, hue {@minHue} || {@maxHue} ) Resulting in the same operation.The || requirement makes using a decision table pre-5.4.0.beta2 impossible, however if you could re-think your logic to use 's it is possible but messier. With kind regards,Mike2012/1/30 Stephen Masters stephen.mast...@me.comHi folks,I'm trying to create a DSL (to drive a Guvnor guided editor), for which a rule could be written as:Given a cucumber- containing one or more worm holes- or with a curvature greater than 10mm per 10 cm length- or with a hue of less than 90 degrees- or with a hue of greater than 150 degreesDo not put that cucumber on the supermarket shelf(note: I'm actually developing a banking risk management system looking at different types of counterparty ratings, rather than a fruitveg quality control system, but hopefully the above example is more readable!)Is there a decent metaphor that could be used by a business user in Guvnor to manage such rules in one place? Or is it likely to be necessary to create multiple rules?As far as I understand, every condition added to a rule through such DSLRs adds itself to the filter. i.e. They are AND rather than OR.The other metaphor I could think of is thedecision table as a neat interface for generating multiple rules, but that seems to be geared towards creating rules based on multiple values of a single attribute rather than multiple conditions.I'm trying to keep the user interface as simple as possible, so any thoughts would be appreciated.Cheers,Steve___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users___
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[rules-users] How to use the xls file as decision table?
I create an xls file as follows, http://drools.46999.n3.nabble.com/file/n3703234/xlsData.jpg how to use this decision table in drools eclipse plugin? thanks in advance. -- View this message in context: http://drools.46999.n3.nabble.com/How-to-use-the-xls-file-as-decision-table-tp3703234p3703234.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Accumulate function, events and stream processing
So no entry-point (using default) is OK. I've declared this Fact as event, like this: declare StateEvent @role( event ) end And I have changed a property in drools.default.rulebase.conf (drools.eventProcessingMode = STREAM) to make the engine works in stream mode. I'm opening a stateful session too (newStatefulKnowledgeSession();) Is that ok? May i set stream mode in code like config.setOption( EventProcessingOption.STREAM );? May i use any specific clock type? Thanks -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-Accumulate-function-events-and-stream-processing-tp3700577p3703245.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Comparisions
Thank u Laune.. -- View this message in context: http://drools.46999.n3.nabble.com/Comparisions-tp3702956p3703271.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Comparisions
Thank you Laune. Now it's clear. -- View this message in context: http://drools.46999.n3.nabble.com/Comparisions-tp3702956p3703279.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Accumulate function, events and stream processing
On 31/01/2012, juankera juank...@gmail.com wrote: So no entry-point (using default) is OK. I've declared this Fact as event, like this: declare StateEvent @role( event ) end OK - another thing excluded. And I have changed a property in drools.default.rulebase.conf (drools.eventProcessingMode = STREAM) to make the engine works in stream mode. I'm opening a stateful session too (newStatefulKnowledgeSession();) Is that ok? May i set stream mode in code like config.setOption( EventProcessingOption.STREAM );? The property setting looks OK, but who knows. Try and use this: KnowledgeBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration(); config.setOption( EventProcessingOption.STREAM ); ... kSession = newStatelessKnowledgeSession(config); May i use any specific clock type? window:length should not depend on the clock. If all of this fails, you'll have to provide a complete minimum example demonstrating the problem, and which Drools version you are using. -W Thanks ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Drools 5.3 DSL Or conditions
I am just curious if there is a way to use the - appending format for appending OR conditions to an object. For example: There exist object a -where property1 is Value1 -or where property2 is Value2 This would equate to the drl: Object(property1==Value1 || property2==Value2) Is this possible or a trick to get something similar? Worst case I can just separate to two individual rules. -- View this message in context: http://drools.46999.n3.nabble.com/Drools-5-3-DSL-Or-conditions-tp3703338p3703338.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] How to use the xls file as decision table?
Write a java program that loads and use the spreadsheet - in the same way that you use would do so for a DRL file. The eclipse plugin is just an environment to help development and testing, it doesn't actually run anything - Afterall having rules is just half the picture, you also need to insert facts. Thomas -Original Message- From: rules-users-boun...@lists.jboss.org [mailto:rules-users- boun...@lists.jboss.org] On Behalf Of ponmanirajan Sent: 31 January 2012 13:16 To: rules-users@lists.jboss.org Subject: [rules-users] How to use the xls file as decision table? I create an xls file as follows, http://drools.46999.n3.nabble.com/file/n3703234/xlsData.jpg how to use this decision table in drools eclipse plugin? thanks in advance. -- View this message in context: http://drools.46999.n3.nabble.com/How-to-use- the-xls-file-as-decision-table-tp3703234p3703234.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ** This message is confidential and intended only for the addressee. If you have received this message in error, please immediately notify the postmas...@nds.com and delete it from your system as well as any copies. The content of e-mails as well as traffic data may be monitored by NDS for employment and security purposes. To protect the environment please do not print this e-mail unless necessary. NDS Limited. Registered Office: One London Road, Staines, Middlesex, TW18 4EX, United Kingdom. A company registered in England and Wales. Registered no. 3080780. VAT no. GB 603 8808 40-00 ** ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] How to use the xls file as decision table?
Please check this code, Edit and reply me.
package com.sample;
import java.io.StringReader;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.builder.DecisionTableConfiguration;
import org.drools.builder.DecisionTableInputType;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderError;
import org.drools.builder.KnowledgeBuilderErrors;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.compiler.PackageBuilder;
import org.drools.io.Resource;
import org.drools.io.ResourceFactory;
import org.drools.logger.KnowledgeRuntimeLogger;
import org.drools.logger.KnowledgeRuntimeLoggerFactory;
import org.drools.rule.Package;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.decisiontable.ExternalSpreadsheetCompiler;
import org.drools.decisiontable.InputType;
import org.drools.decisiontable.SpreadsheetCompiler;
public class DecisionTable {
public static void main(String[] args) {
try {
// load up the knowledge base
KnowledgeBase kbase = createKnowledgeBaseFromSpreadsheet();
StatefulKnowledgeSession ksession =
kbase.newStatefulKnowledgeSession();
KnowledgeRuntimeLogger logger =
KnowledgeRuntimeLoggerFactory.newFileLogger(ksession, test);
// go !
Person p=new Person();
p.setAge(23);
p.setName(ponmani);
ksession.insert(p);
ksession.fireAllRules();
logger.close();
} catch (Throwable t) {
t.printStackTrace();
}
}
public static KnowledgeBase createKnowledgeBaseFromSpreadsheet() throws
Exception {
DecisionTableConfiguration dtconf
=KnowledgeBuilderFactory.newDecisionTableConfiguration();
dtconf.setInputType( DecisionTableInputType.XLS );
dtconf.setWorksheetName(Sheet1);
KnowledgeBuilder kbuilder =
KnowledgeBuilderFactory.newKnowledgeBuilder();
Resource r = ResourceFactory.newUrlResource(
file:///D://Auto_Gen_Rules//data.xls);
System.out.println(XLS ResouceBuilder...);
kbuilder.add(r, ResourceType.DTABLE, dtconf);
System.out.println(Loaded Resource File..);
if (kbuilder.hasErrors()) {
throw new RuntimeException(kbuilder.getErrors().toString());
}
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
knowledgeBase.addKnowledgePackages(kbuilder.getKnowledgePackages());
return knowledgeBase;
}
public static class Person {
private String name;
private int age;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
}
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Re: [rules-users] Accumulate function, events and stream processing
Tried, but won't work. Ok, step by step. 1- DRL File Event declared, FirstRule won't work and SecondRule is working properly (neither count or sum) declare StateEvent @role( event ) end rule FirstRule when Number( $total : doubleValue ) from accumulate( StateEvent(itemName==Temperatura, $val : newState) over window:length( 5 ), count ( 1 )) then System.out.println( + $total); end rule SecondRule when StateEvent(itemName==Temperatura, $val : newState) then System.out.println( + ((DecimalType)$val).toBigDecimal().doubleValue()); end 2. Important lines from Engine starting (notice that i'm using stateful session) KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); kbuilder.add(ResourceFactory.newClassPathResource(RULES_CHANGESET, getClass()), ResourceType.CHANGE_SET); KnowledgeBaseConfiguration kbaseConfig = KnowledgeBaseFactory.newKnowledgeBaseConfiguration(); kbaseConfig.setOption( EventProcessingOption.STREAM ); KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kbaseConfig); StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); 3. Attached you can find the full code http://drools.46999.n3.nabble.com/file/n3703619/RuleService.java RuleService.java 4. Environment Drools 5.3.0 FINAL, running on a OSGi environment. -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-Accumulate-function-events-and-stream-processing-tp3700577p3703619.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Why is solving a partial puzzle much slower than generating one from scratch?
I am making a 3x3 Sudoku solver with Drools planner. The planning entities
are the digits. The problem facts are the rows (planning variable) and
columns.
When I set Drools Planner to solve a problem where no digit is initialized,
it gives a perfect solution in ~15 secs. But when I set a few digits as
initialized, it never finds a solution. It always lists 8 hard constraints
broken on termination.
I implemented the moves as:
if(digit.getFixed()==false){
moveList.add(new RowChangeMove(digit, toRow));
}
If the digit is fixed, dont make a move object for it.
Earlier, I implemented it in isMoveDoable: if the digit.getFixed() is true,
it returns false. Both do not work.
20:31:13.442 [main] INFO o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase
local search finished: step total (978), time spend (60061), best score
(-8).
20:31:13.442 [main] INFO o.d.p.core.solver.DefaultSolver - Solved: time
spend (60061), best score (-8), average calculate count per second (7433).
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Re: [rules-users] Why is solving a partial puzzle much slower than generating one from scratch?
Op 31-01-12 16:12, aitchnyu schreef:
I am making a 3x3 Sudoku solver with Drools planner. The planning entities
are the digits. The problem facts are the rows (planning variable) and
columns.
When I set Drools Planner to solve a problem where no digit is initialized,
it gives a perfect solution in ~15 secs. But when I set a few digits as
initialized, it never finds a solution. It always lists 8 hard constraints
broken on termination.
I implemented the moves as:
if(digit.getFixed()==false){
moveList.add(new RowChangeMove(digit, toRow));
Presuming that your 3x3 looks like this
row1, col1 | row1, col2 | row 1 col3
row2, col1 | row2, col2 | row 2 col3
row3, col1 | row3, col2 | row 3 col3
So when digit 4 starts on row1, col1
it can only move to row2, col1 and row3, col1
but never any of the 6 other points in col2 and col3?
}
If the digit is fixed, dont make a move object for it.
Earlier, I implemented it in isMoveDoable: if the digit.getFixed() is true,
it returns false. Both do not work.
20:31:13.442 [main] INFO o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase
local search finished: step total (978), time spend (60061), best score
(-8).
20:31:13.442 [main] INFO o.d.p.core.solver.DefaultSolver - Solved: time
spend (60061), best score (-8), average calculate count per second (7433).
--
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With kind regards,
Geoffrey De Smet
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Re: [rules-users] Accumulate function, events and stream processing
Have you ever tried out to insert the events into the WorkingMemoryEntryPoint EventStream directly that you have commented out in your execute method? and read the window from that eventstream in your rule, that is, window:length( 5 ) from entry-point EvenStream. Of course, the second rule will fire also if it would be no event but a simple fact for drools. Unfortunately, I do not know under which condition the default entrypoint is populated. 2012/1/31 juankera juank...@gmail.com Tried, but won't work. Ok, step by step. 1- DRL File Event declared, FirstRule won't work and SecondRule is working properly (neither count or sum) declare StateEvent @role( event ) end rule FirstRule when Number( $total : doubleValue ) from accumulate( StateEvent(itemName==Temperatura, $val : newState) over window:length( 5 ), count ( 1 )) then System.out.println( + $total); end rule SecondRule when StateEvent(itemName==Temperatura, $val : newState) then System.out.println( + ((DecimalType)$val).toBigDecimal().doubleValue()); end 2. Important lines from Engine starting (notice that i'm using stateful session) KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); kbuilder.add(ResourceFactory.newClassPathResource(RULES_CHANGESET, getClass()), ResourceType.CHANGE_SET); KnowledgeBaseConfiguration kbaseConfig = KnowledgeBaseFactory.newKnowledgeBaseConfiguration(); kbaseConfig.setOption( EventProcessingOption.STREAM ); KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kbaseConfig); StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); 3. Attached you can find the full code http://drools.46999.n3.nabble.com/file/n3703619/RuleService.java RuleService.java 4. Environment Drools 5.3.0 FINAL, running on a OSGi environment. -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-Accumulate-function-events-and-stream-processing-tp3700577p3703619.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users -- Philipp Herzig, M.Sc. Mail: pher...@googlemail.com Cell: 0178 - 6156244 ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Accumulate function, events and stream processing
Well, I can't reproduce the failure of FirstRule to fire - both rules fire after the insertion of a single event. Of course, I use a simplified scenario, and there are only these two rules in my knowledge base. Using 5.3.0 final; not OSGi, but I don't see how this should matter. Check the RULES_CHANGESET = org/openhab/core/drools/changeset.xml; Does it really refer to one DRL with just these two rules? -W On 31/01/2012, Philipp Herzig pher...@googlemail.com wrote: Have you ever tried out to insert the events into the WorkingMemoryEntryPoint EventStream directly that you have commented out in your execute method? and read the window from that eventstream in your rule, that is, window:length( 5 ) from entry-point EvenStream. Of course, the second rule will fire also if it would be no event but a simple fact for drools. Unfortunately, I do not know under which condition the default entrypoint is populated. 2012/1/31 juankera juank...@gmail.com Tried, but won't work. Ok, step by step. 1- DRL File Event declared, FirstRule won't work and SecondRule is working properly (neither count or sum) declare StateEvent @role( event ) end rule FirstRule when Number( $total : doubleValue ) from accumulate( StateEvent(itemName==Temperatura, $val : newState) over window:length( 5 ), count ( 1 )) then System.out.println( + $total); end rule SecondRule when StateEvent(itemName==Temperatura, $val : newState) then System.out.println( + ((DecimalType)$val).toBigDecimal().doubleValue()); end 2. Important lines from Engine starting (notice that i'm using stateful session) KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); kbuilder.add(ResourceFactory.newClassPathResource(RULES_CHANGESET, getClass()), ResourceType.CHANGE_SET); KnowledgeBaseConfiguration kbaseConfig = KnowledgeBaseFactory.newKnowledgeBaseConfiguration(); kbaseConfig.setOption( EventProcessingOption.STREAM ); KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kbaseConfig); StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); 3. Attached you can find the full code http://drools.46999.n3.nabble.com/file/n3703619/RuleService.java RuleService.java 4. Environment Drools 5.3.0 FINAL, running on a OSGi environment. -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-Accumulate-function-events-and-stream-processing-tp3700577p3703619.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users -- Philipp Herzig, M.Sc. Mail: pher...@googlemail.com Cell: 0178 - 6156244 ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Accumulate function, events and stream processing
Yes, i have only one DRL with these two rules defined. I have actually these resources: resource source='file:configurations/drools/drl/' type='DRL' / resource source='file:configurations/drools/xls/' type=DTABLE decisiontable-conf input-type=XLS worksheet-name=Tables/ /resource But only a DRL file. Anyway, i've also tried without Decision Tables and only one specific DRL File, with no luck. I will try again with entry-points, as Philipp suggests -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-Accumulate-function-events-and-stream-processing-tp3700577p3703977.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Accumulate function, events and stream processing
laune wrote Well, I can't reproduce the failure of FirstRule to fire - both rules fire after the insertion of a single event. Sorry, i don't understand what you mean. Are you able to put the accumulate function to work? -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-Accumulate-function-events-and-stream-processing-tp3700577p3703998.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Adventures example
On 31/01/2012 17:35, tomschut wrote: Hi, I've been trying to get the drools examples from the 5.3 final zip to work, but I seem to be stuck on the adventures example, the one I'm trying to understand because of the use of the query syntax. All other examples work, but as for Adventures eclipse reports errors on importing declarations and analyzing expressions in e.g. Commands.drl. When I run the examples from command line or even eclipse it does compile and run the adventures example, so the problem seems to be related to the plugin. The eclipse plugin cannot handle dependencies across drl files, because it does not know about the ordering. Mario is trying to fix this at the moment, we hope it'll be fixed for 5.4 final. All you can do for now is ignore the eclipse plugin errors. Btw if you like the text adventure game, checkout the wumpus world I'm working on at the moment. Mark Thanks, Tom Schut -- View this message in context: http://drools.46999.n3.nabble.com/Adventures-example-tp3703045p3703045.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Activation Firing slow on many events with timer attribute in rule (Drools Fusion)
Every transaction boundary is a full working memory snapshot, it is not recommended for wm's with large number of facts or timers when high performance is needed. Mark On 31/01/2012 00:20, Philipp Herzig wrote: Thanks Wolfgang for testing. Well I found something. I am using the JPAKnowledgeService and when inserting the bunch of events within a JTA (with BTM) the discussed behavior occurs. If I am removing the JPA stuff it performs as expected. Well, of course, now my question is, how are the events are persisted when is timer is present and fetched (lazy, eager?) once the timer expires? Unfortunately, I would need session persistence because the timers can be long and need to be recreated after an outage. Thanks again for your time :) Philipp 2012/1/30 Wolfgang Launwolfgang.l...@gmail.com: Hmm, I'm using 5.3.0 and I can't confirm your slow results. -W On 30/01/2012, Philipp Herzigpher...@googlemail.com wrote: Thanks again, yes I call fireAllRules() after insertion. My understanding is that the join on mrid reduces the search space (actually 2000) (actually canceled du to not) and the remainder can be processed as leftover from the outer join. Anyhow, when I remove the not join clause the behavior is exactly the same. (1) 8000 create events are inserted and objects are asserted and activations created! (2) after 20s the activations are actually fired, but with a noticeable delay (30min) Now, when I simply remove the timer, all 8000 activations are fired super fast (5s !!!) Or am I overlooking sth? Thanks for your patience, Philipp 2012/1/30 Wolfgang Launwolfgang.l...@gmail.com: On 30 January 2012 17:18, Philipp Herzigpher...@googlemail.com wrote: Thanks Wolfgang for your reply. doSomething simply persists something with JPA, no events are retracted or updated. The behavior does also not change when there is a simple println in the then clause. OK. I thought events are automatically retracted once no rule applied anymore. The EventObject class with the map is used only for abstraction within the architecture (actually a property pattern). No intention to speed up something. There's no information in the (only) rule that would permit an automatic retraction. Mostly this is possible when temporal operators are used. Searching for EventObject/create without matching EventObject/delete is causing a lot of work, since each insertion requires an exhaustive linear search for the absence of a delete or the presence of a create. What do you call after the bunch insert? fireAllRules() ? -W As I said, the activation firing works fine when no timer is present and, of course, deletes are already inserted before the creates, otherwise the rule won't fire. Do you know how the Scheduler works? According to the observed behavior I would guess that there is a background job invoked every 100ms checking if there are timer delayed activations which has to be fired. If this is the case, I wonder why only some activations are fired and not all. Due to the upper time bound? Thanks again, Philipp 2012/1/30 Wolfgang Launwolfgang.l...@gmail.com: Does the doSomething() update or retract any EventObject facts and notify the Drools engine accordingly? (So far: Neither using the same class for the create and the delete events nor using a map (i.e., data) for all properties is helping w.r.t. speed.) -W On 30 January 2012 15:07, Philipp Herzigpher...@googlemail.com wrote: Sure, here it is. Sorry for any inconvienience! rule new_intent timer (20s) when $evt : EventObject(data['type']=='create') from entry-point eventstream not ( EventObject(data['type']=='delete', data['mrid']==$evt.data['mrid'], data['userid']==$evt.data['userid']) from entry-point eventstream) then SomeAPI.getInstance().doSomething(); end Thank you, Philipp 2012/1/30 Michael Anstismichael.ans...@gmail.com It's going to help (probably) if you include the definition of your rule (or rules). 2012/1/30 Philipp Herzigpher...@googlemail.com Dear Community, Drools is pretty fast regarding all my use cases. However, today I have found a problem where I cannot find any solution. Hopefully someone of you can help. 1. I have a rule with a @timer(10s) attribute (should be 24h later on but doesn't matter). This rule is activated when a create event occurs and invalidated once a delete event occurs within the timeframe of @timer. 2. I have approx. 9000 create events which are bulk loaded into the working memory and creating activations for the rule above. 3. I have approx. 2000 delete events which are bulk loaded into my entry-point cancelling the respective activations from step (2) 4. After the timer expired, the first activation is fired correctly. However, all other activations are fired with some noticeable delay (actually it needs 20-30minutes until all activations are fired). Do you have an
[rules-users] Eclipse plugin autocomplete
I appears autocomplete was removed in the last couple of months from the drools eclipse plugin (when the plugin was transitioned to jboss tools). This was a feature I know my team used heavily was there a reason this was summarily removed as it was working fine (reference the thread attached). http://drools.46999.n3.nabble.com/PackageDescr-getFactTemplates-td2922550.html Thanks, -- Paul Ryan ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Guvnor logo change
Hi, with reference to the following user forum link... http://drools.46999.n3.nabble.com/Adding-a-custom-logo-to-Drools-Guvnor-td3503516.html Can I change the Guvnor logo...I am using 5.3...what I learned from the earlier versions we can customise the logo, but the info from the above link is bit confusing... link rel=shortcut icon href=images/drools.gif type=image/gif / link rel=icon href=images/drools.gif type=image/gif / I tried by replacing the drools.gif but I still see the drools image..new image is not pdated... If any one already did this ...please share your experince with us... Thanks, - with kind regards, -- View this message in context: http://drools.46999.n3.nabble.com/Guvnor-logo-change-tp3704675p3704675.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
Re: [rules-users] Guvnor logo change
It's not entirely clear is it ;) On review the header section is defined in PerspectivesPanelViewImpl.ui.xml. This shows the logo as images/header_logo.gif. If you modify file /org.drools.guvnor.Guvnor/images/header_logo.gif in your WAR you should be OK. With kind regards, Mike On 31 January 2012 21:15, domingo sprabak...@gmail.com wrote: Hi, with reference to the following user forum link... http://drools.46999.n3.nabble.com/Adding-a-custom-logo-to-Drools-Guvnor-td3503516.html Can I change the Guvnor logo...I am using 5.3...what I learned from the earlier versions we can customise the logo, but the info from the above link is bit confusing... link rel=shortcut icon href=images/drools.gif type=image/gif / link rel=icon href=images/drools.gif type=image/gif / I tried by replacing the drools.gif but I still see the drools image..new image is not pdated... If any one already did this ...please share your experince with us... Thanks, - with kind regards, -- View this message in context: http://drools.46999.n3.nabble.com/Guvnor-logo-change-tp3704675p3704675.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] Unable to start guvnor with no initial repository
Hi all, I'm running my Guvnor 5.2 on WAS 6.1. But after deploying the war file when i'm trying to hit the guvnor link i'm getting the following errors: [2/1/12 12:41:04:483 IST] 0028 SystemOut O ERROR 01-02 12:41:04,483 (LoggingHelper.java:error:69)Service method 'public abstract java.lang.String[] org.drools.guvnor.client.rpc.RepositoryService.listStates() throws com.google.gwt.user.client.rpc.SerializationException' threw an unexpected exception: java.lang.IllegalStateException: java.lang.NullPointerException java.lang.IllegalStateException: java.lang.NullPointerException at org.drools.guvnor.server.util.TestEnvironmentSessionHelper.getSession(TestEnvironmentSessionHelper.java:113) at org.drools.guvnor.server.RepositoryServiceServlet.getService(RepositoryServiceServlet.java:69) at org.drools.guvnor.server.RepositoryServiceServlet.listStates(RepositoryServiceServlet.java:630) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:618) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:569) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248) at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62) at javax.servlet.http.HttpServlet.service(HttpServlet.java:763) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1095) at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:569) at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478) at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:90) at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:748) at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1461) at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:118) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:458) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:387) at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:102) at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165) at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217) at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161) at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136) at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:195) at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:743) at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:873) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1473) Caused by: java.lang.NullPointerException at org.drools.guvnor.server.util.TestEnvironmentSessionHelper.getSession(TestEnvironmentSessionHelper.java:75) ... 30 more [2/1/12 12:41:04:483 IST] 0021 SystemOut O ERROR 01-02 12:41:04,483 (LoggingHelper.java:error:69)Service method 'public abstract java.lang.String[] org.drools.guvnor.client.rpc.CategoryService.loadChildCategories(java.lang.String)' threw an unexpected exception: java.lang.IllegalStateException: java.lang.NullPointerException java.lang.IllegalStateException: java.lang.NullPointerException at org.drools.guvnor.server.util.TestEnvironmentSessionHelper.getSession(TestEnvironmentSessionHelper.java:113) at org.drools.guvnor.server.RepositoryServiceServlet.getCategoryService(RepositoryServiceServlet.java:120) at org.drools.guvnor.server.RepositoryServiceServlet.loadChildCategories(RepositoryServiceServlet.java:188) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:618) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:569) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208) at
Re: [rules-users] Why is solving a partial puzzle much slower than generating one from scratch?
Sorry if I called it by a misleading name (3x3) . It means a regular sudoku like http://www.sudoku-solutions.com/ . And I hacked on NQueens to make it. Only the row is the planning entity. Each digit has a value, row, column and a fixed status. A fixed digit has row, column and value assigned and fixed status set to true (you must not reassign row of this). An unsolved digit has a null row, with column and value assigned and fixed status set to false. I included three cases. It solves a completely blank grid, it doesnt solve a 24-digit problem (it gets stuck at a step, see included log snippet), it solves an easier 8-digit version of same problem in *much longer time*. *Case*: Output of solving a completely blank grid 12:42:33.977 [main] INFO o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase local search finished: step total (148), time spend (5491), best score (0). 12:42:33.977 [main] INFO o.d.p.core.solver.DefaultSolver - Solved: time spend (5491), best score (0), average calculate count per second (17598). *Case*: solving problem 1: 24 digits of http://puzzles.about.com/library/sudoku/blprsudokux01.htm 12:51:34.279 [main] DEBUG o.d.p.c.l.DefaultLocalSearchSolverPhase - Step index (10530), time spend (164914), score (-3), best score (-3), accepted move size (456) for picked step (Digit:4 (Row 5,Column 2) block code[10] = Row 3) It gets *stuck* here forever. 12:59:31.398 [main] DEBUG o.d.p.c.l.DefaultLocalSearchSolverPhase - Step index (4265), time spend (74003), score (-3), best score (-3), accepted move size (520) for picked step (Digit:7 (Row 5,Column 7) block code[12] = Row 3). 12:59:31.429 [main] DEBUG o.d.p.c.l.DefaultLocalSearchSolverPhase - Step index (4266), time spend (74034), score (-3), best score (-3), accepted move size (520) for picked step (Digit:7 (Row 3,Column 4) block code[11] = Row 5). 12:59:31.444 [main] DEBUG o.d.p.c.l.DefaultLocalSearchSolverPhase - Step index (4267), time spend (74049), score (-3), best score (-3), accepted move size (520) for picked step (Digit:7 (Row 5,Column 4) block code[11] = Row 3). 12:59:31.459 [main] DEBUG o.d.p.c.l.DefaultLocalSearchSolverPhase - Step index (4268), time spend (74064), score (-3), best score (-3), accepted move size (520) for picked step (Digit:7 (Row 3,Column 7) block code[12] = Row 5). 12:59:31.474 [main] DEBUG o.d.p.c.l.DefaultLocalSearchSolverPhase - Step index (4269), time spend (74079), score (-3), best score (-3), accepted move size (520) for picked step (Digit:7 (Row 5,Column 7) block code[12] = Row 3). 12:59:31.493 [main] DEBUG o.d.p.c.l.DefaultLocalSearchSolverPhase - Step index (4270), time spend (74098), score (-3), best score (-3), accepted move size (520) for picked step (Digit:7 (Row 3,Column 4) block code[11] = Row 5). 12:59:31.508 [main] DEBUG o.d.p.c.l.DefaultLocalSearchSolverPhase - Step index (4271), time spend (74113), score (-3), best score (-3), accepted move size (520) for picked step (Digit:7 (Row 5,Column 4) block code[11] = Row 3). *Case*: reducing predefined digits down to 6 13:02:31.093 [main] INFO o.d.p.c.l.DefaultLocalSearchSolverPhase - Phase local search finished: step total (554), time spend (12849), best score (0). 13:02:31.094 [main] INFO o.d.p.core.solver.DefaultSolver - Solved: time spend (12850), best score (0), average calculate count per second (25229) -- View this message in context: http://drools.46999.n3.nabble.com/Why-is-solving-a-partial-puzzle-much-slower-than-generating-one-from-scratch-tp3703622p3705805.html Sent from the Drools: User forum mailing list archive at Nabble.com. ___ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
