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John
,
Mikael Zayenz Lagerkvist
2
Jun 27
Non-backtracked memory in propagators
HI, It is quite common to have shared data-structures in Gecode for data that never changes. Read
unread,
Non-backtracked memory in propagators
HI, It is quite common to have shared data-structures in Gecode for data that never changes. Read
Jun 27
marcus...@gmail.com
,
Mikael Zayenz Lagerkvist
2
Jun 27
Dynamic allocation
Hi, In general, Gecode has no support for working within a set amount of memory. Any backtracking
unread,
Dynamic allocation
Hi, In general, Gecode has no support for working within a set amount of memory. Any backtracking
Jun 27
John
,
Mikael Zayenz Lagerkvist
2
Jun 15
Linear: Int vs Float
Hi, While I can't say anything about your particular use-case without seeing the model, float
unread,
Linear: Int vs Float
Hi, While I can't say anything about your particular use-case without seeing the model, float
Jun 15
John
,
Mikael Zayenz Lagerkvist
2
Jun 14
Change propagator argument parameters between Branch and Bound solutions
Hi John, While Gecode has support for standard cost-variable optimization via eg IntMinimizeSpace,
unread,
Change propagator argument parameters between Branch and Bound solutions
Hi John, While Gecode has support for standard cost-variable optimization via eg IntMinimizeSpace,
Jun 14
John
2
Jun 8
TSP example wrong optimal solution
I realized this is the wrong place to report this, I will open a git issue soon. Apologies, this
unread,
TSP example wrong optimal solution
I realized this is the wrong place to report this, I will open a git issue soon. Apologies, this
Jun 8
Oleg Zaikin
,
Mikael Zayenz Lagerkvist
4
Jun 7
Propagate without posting branching
Hi, If you have a Space you can run propagation on it by calling the Space::status() function. no
unread,
Propagate without posting branching
Hi, If you have a Space you can run propagation on it by calling the Space::status() function. no
Jun 7
Oleg Zaikin
,
Mikael Zayenz Lagerkvist
4
Jun 7
Overwrite Space::status()
Hi, Changing the Space in the choice-function is not viable for a multitude of reasons. Please read
unread,
Overwrite Space::status()
Hi, Changing the Space in the choice-function is not viable for a multitude of reasons. Please read
Jun 7
Craig Walker
,
Mikael Zayenz Lagerkvist
4
May 23
32bit version
On Mon, May 23, 2022 at 4:07 PM Craig Walker <craig.j.walker1@gmail.com> wrote: > we have an
unread,
32bit version
On Mon, May 23, 2022 at 4:07 PM Craig Walker <craig.j.walker1@gmail.com> wrote: > we have an
May 23
Mats Carlsson
,
Mikael Zayenz Lagerkvist
2
May 23
reclaiming memory
Hi Mats, You are quite correct in that posting may add some memory overhead to a Gecode Space. The
unread,
reclaiming memory
Hi Mats, You are quite correct in that posting may add some memory overhead to a Gecode Space. The
May 23
Marcus Vilain
,
Mikael Zayenz Lagerkvist
7
May 10
Portfolio search ?
Hi, I had this discussion with Christian (search the keyword Pareto in this Google's group). He
unread,
Portfolio search ?
Hi, I had this discussion with Christian (search the keyword Pareto in this Google's group). He
May 10
ZoharI
,
Mikael Zayenz Lagerkvist
3
Apr 25
When will the next version be released?
Thanks, I will try 6.3.0. On Friday, April 22, 2022 at 3:08:55 PM UTC+3 Mikael Zayenz Lagerkvist
unread,
When will the next version be released?
Thanks, I will try 6.3.0. On Friday, April 22, 2022 at 3:08:55 PM UTC+3 Mikael Zayenz Lagerkvist
Apr 25
John
,
Mikael Zayenz Lagerkvist
2
Apr 8
Advisor (delta) exact information for value prune
Hi, While it would in principle be possible to give the exact delta on all changes, this would
unread,
Advisor (delta) exact information for value prune
Hi, While it would in principle be possible to give the exact delta on all changes, this would
Apr 8
Gonzalo Hernandez
,
Conrad Drescher
3
Mar 28
Configuring Gecode to incorporate new interval variables (VIS)
Thanks Conrad, I see that I have to update my source code because some parameters have changed in the
unread,
Configuring Gecode to incorporate new interval variables (VIS)
Thanks Conrad, I see that I have to update my source code because some parameters have changed in the
Mar 28
何雷宏
Feb 18
Why does car-sequencing example behave completely differently in Gist in Release and Debug mode?
Dear Gecode team. I met a strange situation when i run the sample code of car-sequencing. it behaves
unread,
Why does car-sequencing example behave completely differently in Gist in Release and Debug mode?
Dear Gecode team. I met a strange situation when i run the sample code of car-sequencing. it behaves
Feb 18
Oleg Zaikin
,
Mikael Zayenz Lagerkvist
6
Feb 2
Bactracking tree depth in customised brancher
Hi, I think the first thing is to specify what you actually mean and/or want with depth in the search
unread,
Bactracking tree depth in customised brancher
Hi, I think the first thing is to specify what you actually mean and/or want with depth in the search
Feb 2
Oliver Kullmann
, …
Mikael Zayenz Lagerkvist
8
Jan 18
running independent Gecode invocations in threads
Hi Filip, As you correctly guessed, the Region allocator (which is used _a lot_ in Gecode) was a
unread,
running independent Gecode invocations in threads
Hi Filip, As you correctly guessed, the Region allocator (which is used _a lot_ in Gecode) was a
Jan 18
Jörg Strebel
,
Mikael Zayenz Lagerkvist
7
12/13/21
Application integration without a dynamic library
Hallo! Thanks for your effort! I managed to build my application nonetheless. I was wrongly assuming
unread,
Application integration without a dynamic library
Hallo! Thanks for your effort! I managed to build my application nonetheless. I was wrongly assuming
12/13/21
Andreas Lindmark
,
Mikael Zayenz Lagerkvist
2
12/9/21
The "connected" constraint from minizinc
Hi, Sorry, I didn't see your message previously, so very late answer. MiniZinc models are
unread,
The "connected" constraint from minizinc
Hi, Sorry, I didn't see your message previously, so very late answer. MiniZinc models are
12/9/21
Andreas Lindmark
,
Mikael Zayenz Lagerkvist
5
9/13/21
Updating code from 4.3 to 6.2.0
Hi, The reschedule change was introduced in Gecode 5 (https://www.gecode.org/doc-latest/reference/
unread,
Updating code from 4.3 to 6.2.0
Hi, The reschedule change was introduced in Gecode 5 (https://www.gecode.org/doc-latest/reference/
9/13/21
Anish Goswami
,
guido...@monash.edu
3
8/13/21
flatzinc skeleton parser
Hello, Will the skeleton code compile flatzinc with no errors with zero changes? Thanks, Anish On
unread,
flatzinc skeleton parser
Hello, Will the skeleton code compile flatzinc with no errors with zero changes? Thanks, Anish On
8/13/21
Kish Shen
,
Mikael Zayenz Lagerkvist
4
7/27/21
non-local variable selecion and recomputation
Hi, You are correct that propagation during recomputation will affect the value of the Action values,
unread,
non-local variable selecion and recomputation
Hi, You are correct that propagation during recomputation will affect the value of the Action values,
7/27/21
Kish Shen
,
Mikael Zayenz Lagerkvist
3
7/26/21
tiebreaking for action for branching
prHi, For tie-breaking, all the approaches have some merit. * Giving initial values using a merit
unread,
tiebreaking for action for branching
prHi, For tie-breaking, all the approaches have some merit. * Giving initial values using a merit
7/26/21
Kish Shen
,
Mikael Zayenz Lagerkvist
4
7/20/21
Using non-local variable selection outside search engines
Hi, Yes, the difference is down to the way it is implemented. By necessity, the AFC information is
unread,
Using non-local variable selection outside search engines
Hi, Yes, the difference is down to the way it is implemented. By necessity, the AFC information is
7/20/21
John
,
Mikael Zayenz Lagerkvist
7
7/14/21
Access propagator from user-defined value selection function
Hi, Yes, we should probably add a more detailed example for how to use LcoalHandles, I agree. I think
unread,
Access propagator from user-defined value selection function
Hi, Yes, we should probably add a more detailed example for how to use LcoalHandles, I agree. I think
7/14/21
Kish Shen
7/9/21
Doing variable selection outside IntVarBranch
Hi, Thanks Mikael for quickly resolving the domain issue. The reason I was looking at the Gecode
unread,
Doing variable selection outside IntVarBranch
Hi, Thanks Mikael for quickly resolving the domain issue. The reason I was looking at the Gecode
7/9/21
Mikael Zayenz Lagerkvist
2
7/9/21
gecode.org currently down
And now the site is back up again. Sorry for any inconvenience. We are working with the registrar to
unread,
gecode.org currently down
And now the site is back up again. Sorry for any inconvenience. We are working with the registrar to
7/9/21
Kish Shen
,
Mikael Zayenz Lagerkvist
2
7/9/21
dimain squatting with gecode.org?
Hi Kish and the rest of the Gecode community, The original domain registration for gecode.org was
unread,
dimain squatting with gecode.org?
Hi Kish and the rest of the Gecode community, The original domain registration for gecode.org was
7/9/21
Kish Shen
,
Mikael Zayenz Lagerkvist
2
7/8/21
flexible durations for unary and cumulative
Hi Kish, I'm not at the moment sure if the start+duration==end are strictly needed for
unread,
flexible durations for unary and cumulative
Hi Kish, I'm not at the moment sure if the start+duration==end are strictly needed for
7/8/21
Kish Shen
,
Mikael Zayenz Lagerkvist
5
7/7/21
CHB for branch
Hi Mikael, Thanks again. The reason I asked the question is the MPC uses the word must in "In
unread,
CHB for branch
Hi Mikael, Thanks again. The reason I asked the question is the MPC uses the word must in "In
7/7/21
Kish Shen
,
Mikael Zayenz Lagerkvist
6
7/7/21
order constraint
Hi, Note that to decompose the order constraint you need two different reified constraints: b <=
unread,
order constraint
Hi, Note that to decompose the order constraint you need two different reified constraints: b <=
7/7/21