Merge pull request #1254 from KrisThielemans/RemoveBackProjectorExtra…

…Reduce [OpenMP] remove a superfluous reduction of backprojected images
UCL · Sep 17, 2023 · 0307f8d · 0307f8d
2 parents 9e40811 + 541d590
commit 0307f8d
Showing 1 changed file with 0 additions and 8 deletions.
diff --git a/src/recon_buildblock/BackProjectorByBin.cxx b/src/recon_buildblock/BackProjectorByBin.cxx
@@ -221,14 +221,6 @@ BackProjectorByBin::back_project(const ProjData& proj_data, int subset_num, int
         back_project(viewgrams);
       }
   }
-#ifdef STIR_OPENMP
-  // "reduce" data constructed by threads
-  {
-    for (int i=0; i<static_cast<int>(_local_output_image_sptrs.size()); ++i)
-      if(!is_null_ptr(_local_output_image_sptrs[i])) // only accumulate if a thread filled something in
-        (*_density_sptr) += *(_local_output_image_sptrs[i]);
-  }
-#endif
 }
 
 void