performs at most B<max> probes in attempt to fill the B<vector[num]>,
with B<max> value of 0 meaning "as many as it takes."
-=head1 RETURN VALUE
+=head1 RETURN VALUES
Return value of 0 indicates that CPU is not capable of performing the
benchmark, either because oscillator counter or 'flush cache line' is
=head1 COPYRIGHT
-Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2011-2018 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy