message: Re-enable graph dumps for now
diff: #include "tensorflow/core/platform/default/logging.h"
  #include "tensorflow/core/platform/protobuf.h"
  +#include "ngraph_log.h"
  #include "tf_graph_writer.h"
  using namespace std;
  @@ -37,7 +38,7 @@ class NGraphDumpPass : public tensorflow::GraphOptimizationPass {
  NGraphDumpPass(std::string pass_name) : m_pass_name(pass_name) {}
  virtual ~NGraphDumpPass() {}
  tf::Status Run(const tf::GraphOptimizationPassOptions& options) {
  - //NGRAPH_VLOG(0) << "nGraph dump pass start: " << m_pass_name;
  + NGRAPH_VLOG(2) << "nGraph dump pass start: " << m_pass_name;
  int idx = s_counter_map[m_pass_name]++;
  @@ -49,8 +50,8 @@ class NGraphDumpPass : public tensorflow::GraphOptimizationPass {
  tf::Graph* g = options.graph->get();
  GraphToPbTextFile(g, filename_prefix + ".pbtxt");
  - //GraphToDotFile(g, filename_prefix + ".dot", "nGraph Dump: " + m_pass_name,
  - // false);
  + GraphToDotFile(g, filename_prefix + ".dot", "nGraph Dump: " + m_pass_name,
  + false);
  }
  if (options.partition_graphs != nullptr) {
  @@ -64,14 +65,14 @@ class NGraphDumpPass : public tensorflow::GraphOptimizationPass {
  std::string sub_filename_prefix = ss.str();
  GraphToPbTextFile(pg, sub_filename_prefix + ".pbtxt");
  - //GraphToDotFile(pg, sub_filename_prefix + ".dot",
  - // "nGraph Subgraph Dump: " + m_pass_name, false);
  + GraphToDotFile(pg, sub_filename_prefix + ".dot",
  + "nGraph Subgraph Dump: " + m_pass_name, false);
  sub_idx++;
  }
  }
  - VLOG(0) << "nGraph dump pass done: " << m_pass_name;
  + NGRAPH_VLOG(2) << "nGraph dump pass done: " << m_pass_name;
  return tf::Status::OK();
  }
  