google / or-tools

Google's Operations Research tools:

https://developers.google.com/optimization/

google/or-tools Issues

Performance regression from v9.7 -> v9.8/v9.9
Updated 17 days ago10
VRP Resource Constraints bug - solver over allocating resources
Closed 24 days ago
Segmentation fault in Github runs
Closed 25 days ago1
Multiple trips , such that no new pickup is made in the trip 40mins after first pickup.
Closed a month ago1
Java SIGSEGV when running CP-SAT solver
Closed a month ago4
ARM C++ build for Debian 11
Closed a month ago4
Renaming of python methods leads to confusion
Closed a month ago3
0<=1 not accept by math_opt
Closed a month ago3
Segmentation fault in CP-SAT
Closed a month ago4
mathopt python error.
Updated a month ago1
AttributeError: 'CpModel' object has no attribute 'AddReservoirConstraintWithActive'
Closed a month ago
OR-Tools v9.9 regression: incorrect negative transit variables (with modulo > capacity) handling in heterogeneous VRP
Updated a month ago
static assertion failed: ERROR_ConstraintInfo_is_not_well_compacted with MinGW
Closed a month ago1
object has no attribute 'NewFixedSizeIntervalVar' in ortools 9.9
Closed a month ago3
Typing for linear expressions in CP-SAT is all wrong in version 9.9.3963
Closed a month ago3
or-tools can be compiled so library with android system?
Closed a month ago
Issues with CP-SAT python type annotations
Closed a month ago19
Add official support for Debian 12 (bookworm)
Updated a month ago1
different results solver excel
Closed a month ago2
How to save the time column in the solution log to a variable？
Closed a month ago
How to save the time column in the solution log to a variable？
Closed a month ago
Unable to create build from source code for java in Windows.
Closed a month ago2
Unable to build OR-Tools with XPRESS enabled in Windows 11
Closed a month ago3
Java and .Net sample don't use the correct API to solve with an Initial Solution
Closed a month ago1
Infeasable assumptions are not reported
Closed 2 months ago
Floating point exception error in CP-SAT solver
Closed 2 months ago3
domain from_values cause floating point exception error
Closed 2 months ago1
OR-Tools Arm64 Ubuntu 22.04 LTS for Java
Closed 2 months ago3
addmoduloequality returning infeasible when trying to create interval var with duration in multiples of a value
Closed 2 months ago
How to use CpModel.AddCumulative function with new 9.8.3296 OrTools version.
Closed 2 months ago1
"Infeasible LNS solution" on CP-SAT model
Closed 2 months ago5
Same cp model, nothing changed, but sometimes feasible sometimes infeasible
Closed 2 months ago
Inverse constraint crashes presolve
Updated 2 months ago2
[Bug] Memory Leak at AddAtSolutionCallback Python Implementation
Closed 2 months ago10
Same problem, different optimal solutions with different solvers?
Closed 2 months ago8
Dynamic Library Support for Windows
Closed 2 months ago2
Support for Gurobi v11
Closed 3 months ago4
MiniZinc 2.8.2 + CP-SAT 9.8.3296 (bundled): diffn: missing solutions
Closed 3 months ago1
[Question] Enforcing vehicle breaks at depots
Closed 2 months ago
Add name to internal interval constraint that has `OnlyEnforceIf`
Closed 2 months ago
`AddCumulative` `demands` argument has inconsistency between types and docs
Closed 2 months ago10
Assign name to constraints in C# API
Closed 2 months ago
Upstream abseil now has logging
Closed 2 months ago3
How to improve Performance for student grouping algorithm based on BalanceGroupSat
Closed 2 months ago1
Solving with custom constraints
Closed 2 months ago
cmake: Install export is broken with abseil-cpp 20240116.0
Closed 2 months ago
Can't generate python release package
Closed 2 months ago1
Build error: patch for pybind11_protobuf is outdated
Closed 2 months ago2
9.8 fails to build with abseil-20240116.0: error: nested name specifier 'LogSeverity::' for declaration does not refer into a class, class template or class template partial specialization
Closed 3 months ago1
Version 9.8 fails to build with abseil-20230125.3: error: no matching function for call to 'StrCat'
Closed 3 months ago2