# VIA Nano 9.32 7.15/+30%
# Atom 10.3 9.17/+12%
# Silvermont 13.1(*) 9.37/+40%
+# Goldmont 8.13 6.42/+27% 1.70/+380%(**)
#
# (*) obviously suboptimal result, nothing was done about it,
# because SSSE3 code is compiled unconditionally;
+# (**) SHAEXT result
$flavour = shift;
$output = shift;