Changeset 833 for XIOS/trunk/src/policy.hpp

Timestamp:

04/08/16 15:00:15 (8 years ago)

Author:

mhnguyen

Message:

Improvements for dht

+) Implement adaptive hierarchy for dht, level of hierarchy depends on number of processes
+) Remove some redundant codes

Test
+) On Curie
+) All tests are correct

File:

• XIOS/trunk/src/policy.hpp (modified) (1 diff)

XIOS/trunk/src/policy.hpp

@@ -28 +28 @@
 };
 
+class DivideAdaptiveComm
+{
+protected:
+  DivideAdaptiveComm(const MPI_Comm& mpiComm);
+
+  void computeMPICommLevel();
+  const std::vector<int>& getGroupBegin() { return groupBegin_; }
+  const std::vector<int>& getNbInGroup() { return nbInGroup_; }
+  const std::vector<std::vector<int> >& getGroupParentsBegin() { return groupParentsBegin_; }
+  const std::vector<std::vector<int> >& getNbInGroupParents() { return nbInGroupParents_; }
+  int getNbLevel() { return level_; }
+
+protected:
+  const MPI_Comm& internalComm_;
+  std::vector<std::vector<int> > groupParentsBegin_;
+  std::vector<std::vector<int> > nbInGroupParents_;
+
+  int level_;
+  std::vector<int> groupBegin_;  //! Rank beginning of a group
+  std::vector<int> nbInGroup_; //! Number of process in each group
+  bool computed_;
+//  std::vector<std::vector<int> > child_; /*!< List of child rank for each level */
+//  std::vector<int> nbChild_;         /*!< Number of child for each level */
+};
+
 }