Merge branch 'hotfix/dirac-ITT-fix1'

benchmarks/Benchmark_ITT.cc

@@ -701,12 +701,14 @@ int main (int argc, char ** argv)
   if ( do_su3 ) {
     // empty for now
   }
-
+#if 1
   int sel=2;
   std::vector<int> L_list({8,12,16,24});
-
-  //int sel=1;
-  //  std::vector<int> L_list({8,12});
+#else
+  int sel=1;
+  std::vector<int> L_list({8,12});
+#endif
+  int selm1=sel-1;
   std::vector<double> robust_list;
 
   std::vector<double> wilson;
@@ -785,7 +787,8 @@ int main (int argc, char ** argv)
   std::cout<<GridLogMessage << "=================================================================================="<<std::endl;
 
   std::cout<<GridLogMessage << "=================================================================================="<<std::endl;
-  std::cout<<GridLogMessage << " Comparison point     result: "  << dwf4[sel]/NN << " Mflop/s per node"<<std::endl;
+  std::cout<<GridLogMessage << " Comparison point     result: "  << 0.5*(dwf4[sel]+dwf4[selm1])/NN << " Mflop/s per node"<<std::endl;
+  std::cout<<GridLogMessage << " Comparison point is 0.5*("<<dwf4[sel]/NN<<"+"<<dwf4[selm1]/NN << ") "<<std::endl;
   std::cout<<std::setprecision(3);
   std::cout<<GridLogMessage << " Comparison point robustness: "  << robust_list[sel] <<std::endl;
   std::cout<<GridLogMessage << "=================================================================================="<<std::endl;

lib/communicator/Communicator_base.cc

@@ -157,7 +157,9 @@ void CartesianCommunicator::ShmInitGeneric(void){
     perror("mmap failed ");
     exit(EXIT_FAILURE);  
   }
+#ifdef MADV_HUGEPAGE
   if (!Hugepages ) madvise(ShmCommBuf,MAX_MPI_SHM_BYTES,MADV_HUGEPAGE);
+#endif
 #else 
   ShmBufStorageVector.resize(MAX_MPI_SHM_BYTES);
   ShmCommBuf=(void *)&ShmBufStorageVector[0];

lib/communicator/Communicator_mpi3.cc

@@ -215,8 +215,10 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
       perror("open hugetlbfs");
       exit(0);
     }
-    
-    int mmap_flag = MAP_SHARED |MAP_POPULATE;
+    int mmap_flag = MAP_SHARED ;
+#ifdef MAP_POPULATE    
+    mmap_flag|=MAP_POPULATE;
+#endif
 #ifdef MAP_HUGETLB
     if ( Hugepages ) mmap_flag |= MAP_HUGETLB;
 #endif
@@ -249,7 +251,10 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
       if ( fd < 0 ) {	perror("failed shm_open");	assert(0);      }
       ftruncate(fd, size);
       
-      int mmap_flag = MAP_SHARED|MAP_POPULATE;
+      int mmap_flag = MAP_SHARED;
+#ifdef MAP_POPULATE 
+      mmap_flag |= MAP_POPULATE;
+#endif
 #ifdef MAP_HUGETLB
       if (Hugepages) mmap_flag |= MAP_HUGETLB;
 #endif