Rate ike1_p ike1_n ike2_p ike1_i ike2_i ike2_n
ike1_p 6.34/ms     --    -2%    -2%    -4%    -6%     -7%
ike1_n 6.46/ms     2%     --    -1%    -3%    -4%     -5%
ike2_p 6.50/ms     3%     1%     --    -2%    -3%     -4%
ike1_i 6.63/ms     5%     3%     2%     --    -1%     -2%
ike2_i 6.72/ms     6%     4%     3%     1%     --     -1%
ike2_n 6.79/ms     7%     5%     4%     2%     1%      --

(I)nline:        reduce { $a * $b }     1..100;
(P)rototype:     reduce \&prototyped,   1..100;
(N)o prototype:  reduce \&unprototyped, 1..100;