diff --git a/pmtool.cpp b/pmtool.cpp
index 1b43eb8ec856d00b72f73094407af4a71bcd3cf6..e7fff0d0d4a52b9b1e35b8e60d2cadef709e1253 100644
--- a/pmtool.cpp
+++ b/pmtool.cpp
@@ -66,8 +66,8 @@ void computeAlg(ProgramOptions& progOpt, Instance* ins,
 	
   try {
     result->makespan = alg->compute(*ins, &seq);
-    auto time = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - start);
-    result->milliseconds = time.count(); 
+    auto time = chrono::duration_cast<chrono::microseconds>(chrono::steady_clock::now() - start);
+    result->milliseconds = time.count()/ 1000.0; 
 
     //cout << input_file << " " << name << " " << result << " " << time.count();
 	  
@@ -83,9 +83,9 @@ void computeAlg(ProgramOptions& progOpt, Instance* ins,
 	  
 	  
   } catch (int e) {
-    auto time = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - start);
+    auto time = chrono::duration_cast<chrono::microseconds>(chrono::steady_clock::now() - start);
     result->makespan = -1;
-    result->milliseconds = time.count(); 
+    result->milliseconds = time.count() / 1000.0; 
   }
       
   if(localExport) free(localExport);
@@ -269,9 +269,9 @@ int main(int argc, char** argv) {
       if(progOpt.mergeTolerance > 0) {
 	instance->autoMerge(progOpt.mergeTolerance);
       }
-      auto time = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - start);
+      auto time = chrono::duration_cast<chrono::microseconds>(chrono::steady_clock::now() - start);
       if(progOpt.verbosity >= 4) 
-	cerr << " done (" << time.count() << " ms)." << endl; 
+	cerr << " done (" << time.count()/1000.0 << " ms)." << endl; 
       instance->display(progOpt.verbosity);
 
       double bestBoundValue = 0; 
@@ -289,15 +289,15 @@ int main(int argc, char** argv) {
 	    bestBoundValue = result;
 	    bestBound = &(*it); 
 	  }
-	  auto time = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - start);
+	  auto time = chrono::duration_cast<chrono::microseconds>(chrono::steady_clock::now() - start);
 	  //	auto duration = 
 	  cout << input_file << " " << (instance->platformFile != "" ? instance->platformFile: "NA");
-	  cout << " True " << name << " " << result << " " << time.count();
+	  cout << " True " << name << " " << result << " " << time.count() / 1000.0;
 	} catch (int e) {
-	  auto time = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - start);
+	  auto time = chrono::duration_cast<chrono::microseconds>(chrono::steady_clock::now() - start);
 	  cout << input_file << " " << (instance->platformFile != "" ? instance->platformFile: "NA");
 	  cout << " True " << name << " " << "NA" << " " <<
-	    time.count();
+	    time.count() / 1000.0;
 	}
       
 	if(progOpt.repartitionFile != "") {