$ ./pm_11119934_bench_locale_s_y.pl
en_AU.UTF-8
3.1
3,1
3,1
                Rate s_sprintf y_sprintf   sprintf
s_sprintf  2940825/s        --      -46%      -85%
y_sprintf  5493603/s       87%        --      -72%
sprintf   19713322/s      570%      259%        --