enable multi-threading

coin-or · Nov 12, 2021 · d999105 · d999105
1 parent 1769ca6
commit d999105
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/cylp/cpp/ICbcModel.cpp b/cylp/cpp/ICbcModel.cpp
@@ -2,6 +2,8 @@
 
 #include "CbcCompareUser.hpp"
 #include "CbcSolver.hpp"
+#include <string>
+#include <thread>
 
 PyObject* ICbcModel::getPrimalVariableSolution(){
 
@@ -31,10 +33,12 @@ int ICbcModel::cbcMain(){
  // initialize
  int returnCode = -1;
  int logLevel = this->logLevel();
- const char* argv[] = {"ICbcModel", "-solve","-quit"};
+ const char* argv[] = {"ICbcModel", "-threads",
+ std::to_string(std::max(std::thread::hardware_concurrency(), 1u)).c_str(),
+ "-solve", "-quit"};
  CbcMain0(*this);
  this->setLogLevel(logLevel);
- return CbcMain1(3, argv, *this);
+ return CbcMain1(5, argv, *this);
  //const char* argv = "-solve -quit";
  //CbcSolverUsefulData solverData;
  //CbcMain0(*this, solverData);