Fixed memory corruption, improved logging

Signed-off-by: Dmitry I. Lyakh <quant4me@gmail.com>

src/runtime/executor/cuquantum/cuquantum_executor.cu

@@ -60,15 +60,15 @@ struct TensorNetworkReq {
  std::unordered_map<unsigned int, std::vector<int32_t>> tensor_modes; //indices associated with tensor dimensions (key = original tensor id)
  std::unordered_map<int32_t, int64_t> mode_extents; //extent of each registered tensor mode
  int32_t * num_modes_in = nullptr;
- int64_t ** extents_in = nullptr;
+ int64_t ** extents_in = nullptr; //non-owning
  int64_t ** strides_in = nullptr;
- int32_t ** modes_in = nullptr;
+ int32_t ** modes_in = nullptr; //non-owning
  uint32_t * alignments_in = nullptr;
  void ** data_in = nullptr;
  int32_t num_modes_out;
- int64_t * extents_out = nullptr;
+ int64_t * extents_out = nullptr; //non-owning
  int64_t * strides_out = nullptr;
- int32_t * modes_out = nullptr;
+ int32_t * modes_out = nullptr; //non-owning
  uint32_t alignment_out;
  void * data_out = nullptr; //non-owning
  void * workspace = nullptr; //non-owning
@@ -97,14 +97,14 @@ struct TensorNetworkReq {
   cutensornetDestroyContractionOptimizerConfig(opt_config);
   cutensornetDestroyContractionOptimizerInfo(opt_info);
   cutensornetDestroyNetworkDescriptor(net_descriptor);
-  if(modes_out != nullptr) delete [] modes_out;
+  //if(modes_out != nullptr) delete [] modes_out;
   if(strides_out != nullptr) delete [] strides_out;
-  if(extents_out != nullptr) delete [] extents_out;
+  //if(extents_out != nullptr) delete [] extents_out;
   if(data_in != nullptr) delete [] data_in;
   if(alignments_in != nullptr) delete [] alignments_in;
-  if(modes_in != nullptr) delete [] modes_in;
+  //if(modes_in != nullptr) delete [] modes_in;
   if(strides_in != nullptr) delete [] strides_in;
-  if(extents_in != nullptr) delete [] extents_in;
+  //if(extents_in != nullptr) delete [] extents_in;
   if(num_modes_in != nullptr) delete [] num_modes_in;
  }
 };

src/runtime/executor/graph_executors/lazy/graph_executor_lazy.cpp

@@ -306,17 +306,17 @@ void LazyGraphExecutor::execute(TensorNetworkQueue & tensor_network_queue) {
         if(exec_stat == TensorNetworkQueue::ExecStat::None){
           if(logging_.load() != 0){
             logfile_ << "[" << std::fixed << std::setprecision(6) << exatn::Timer::timeInSecHR(getTimeStampStart())
-                     << "](LazyGraphExecutor)[EXEC_THREAD]: Submitting to cuQuantum tensor network "
-                     << exec_handle << ": Status = ";
+                     << "](LazyGraphExecutor)[EXEC_THREAD]: Submitting to cuQuantum tensor network " << exec_handle << std::endl;
 #ifdef DEBUG
             logfile_.flush();
 #endif
-
           }
           const auto exec_conf = tensor_network_queue.getExecConfiguration(exec_handle);
           exec_stat = cuquantum_executor_->execute(current->first,exec_conf.first,exec_conf.second,exec_handle);
           if(logging_.load() != 0){
-            logfile_  << static_cast<int>(exec_stat) << std::endl;
+            logfile_ << "[" << std::fixed << std::setprecision(6) << exatn::Timer::timeInSecHR(getTimeStampStart())
+                     << "](LazyGraphExecutor)[EXEC_THREAD]: Submitted to cuQuantum tensor network " << exec_handle
+                     << ": Status = " << static_cast<int>(exec_stat) << std::endl;
 #ifdef DEBUG
             logfile_.flush();
 #endif