Tpetra_Details_DeepCopyCounter.cpp

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//          Tpetra: Templated Linear Algebra Services Package
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#include "Tpetra_Details_DeepCopyCounter.hpp"
#include "TpetraCore_config.h"
#include "Kokkos_Core.hpp"
#include <cstring>

namespace Tpetra {
namespace Details {

  namespace DeepCopyCounterDetails {
    void kokkosp_begin_deep_copy(Kokkos::Tools::SpaceHandle dst_handle, const char* dst_name, const void* dst_ptr,                                 
                                 Kokkos::Tools::SpaceHandle src_handle, const char* src_name, const void* src_ptr,
                                 uint64_t size) {

      if(DeepCopyCounter::count_active) {
        if(strcmp(dst_handle.name,src_handle.name)) {
          DeepCopyCounter::count++;
        }
      }
    }


  }// end DeepCopyCounterDetails


  // Initialize
  bool DeepCopyCounter::count_active=false;
  size_t DeepCopyCounter::count=0;


  void DeepCopyCounter::start() {
    count_active=true;
    Kokkos::Tools::Experimental::set_begin_deep_copy_callback(DeepCopyCounterDetails::kokkosp_begin_deep_copy);
  }

  void DeepCopyCounter::reset() {
    count=0;
  }

  size_t DeepCopyCounter::stop() {
    count_active=false;
    return count;
  }

  size_t DeepCopyCounter::get_count() {
    return count;
  }


} // namespace Details
} // namespace Tpetra