4
6
8
10
20
40
60
80
100
200
400
600
800
1e3
2e3
1
10
100
1e3
1e4
1e5
1
10
100
1e3
1e4
1e5
Left
Right
gcc
gcc (native)
Dyalog 17.1
Dyalog 18.0
Dyalog 18.0
Not-Equals (≠) outer product on booleans
Time ÷ output bound (ps)
Argument lengths