|   | 
|   | 
 range-finding v hashing | 
 hashing v small-range | 
 HI 
  v HS  |  
| x i. y     x ⍳ y   | 
 0.014 | 
 3.86 | 
 - |  
| x i. x     x ⍳ x | 
 0.011 | 
 1.96 | 
 - |  
| y e. x     y ∊ x | 
 0.018 | 
 3.54 | 
 1.23 |  
| ~. x         ∪ x | 
 0.014 | 
 2.60 | 
 1.21 |  
| #@~. x    (≢∪) x | 
 0.014 | 
 7.48 | 
 1.18 |  
 
 
|    | x and y are 4-byte integer vectors with 1e6 elements |  
|    | straightforward range-finding code slower by factor of 5.5  |  
 
 |