message: silence output of numactl_available dummy cmd run
diff: @@ -253,7 +253,7 @@ class Launcher():
  def is_numactl_available(self):
  numactl_available = False
  cmd = ["numactl", "-C", "0", "-m", "0", "ls"]
  - r = subprocess.run(cmd, env=os.environ)
  + r = subprocess.run(cmd, env=os.environ, stdout=subprocess.DEVNULL)
  if r.returncode == 0:
  numactl_available = True
  return numactl_available
  