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f/\ Improved |
initial writing: 2007-12-10 |
Several monads f/\ on extended precision arguments have been made more efficient: +/\ */\ -/\ <./\ >./\
The following benchmarks demonstrate the improvements.
x=: 1e4 ?@$ 123456x q=: %/ 0 1x + 2 1e4 ?@$ 123456 ts=: 6!:2 , 7!:2@] NB. time and space ts 'Expression'
| Expression | J 6.02 | J 6.01 | Ratio | |||||||||
| + /\ x | 0.004858 | 7.47648e5 | 43.976548 | 1.66682e6 | 9052.53 | 2.23 | ||||||
| >./\ x | 0.001026 | 6.66880e4 | 30.232657 | 1.02662e6 | 29456.17 | 15.39 | ||||||
| - /\ x | 0.004828 | 7.47648e5 | 43.737591 | 1.66682e6 | 9059.21 | 2.23 | ||||||
| >./\ q | 0.011577 | 2.63891e6 | 63.500041 | 1.23987e6 | 5485.08 | 0.47 | ||||||