lib/advance.rb in advance-0.3.9 vs lib/advance.rb in advance-0.3.10

@@ -28,10 +28,10 @@
       else
         {}
       end
     last_run_number = meta["last_run_number"] ||= -1
     $run_number = last_run_number + 1
-    $cores=`sysctl -n hw.ncpu`.to_i
+    $cores=`nproc`.to_i
     puts "Multi steps will use #{$cores} cores"
   end
 
   def update_meta(step_number, processing_mode, label, command, start_time, duration, file_count)
     meta =