Exercise 8 | Index << >> |
Run some benchmarks on x⍳y for general 4-byte integers and for small-range 4-byte integers. For example: x y ← ↓u[?2 1e6⍴≢u← ?8e5⍴2e9] ⍝ general s t ← ↓u[?2 1e6⍴≢u←2e9+?8e5⍴1e6] ⍝ small-range cmpx 'x⍳y' 's⍳t' cmpx 'x⍳y' 's⍳t' x⍳y → 1.50e¯1 | 0% ⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕ * s⍳t → 5.96e¯2 | -61% ⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕ |