MCE::Child->init( posix_exit => 1, ... );
 MCE::Hobo->init( posix_exit => 1, ... );

         Version  Cygwin   Windows  Linux   macOS  FreeBSD

MCE::Child 1.842  19.815s  ignored  0.824s  1.284s  1.245s  Moo loaded
 MCE::Hobo 1.842  21.029s  ignored  0.953s  1.335s  1.439s  Moo loaded