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random: encourage inlining.

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Reduces overhead to 6% over #%kernel's  for the integer case.
This commit is contained in:
Vincent St-Amour 2016-01-02 19:14:16 -06:00
parent 740b6dc198
commit 47f06f11e1
1 changed files with 31 additions and 29 deletions
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4
racket/collects/racket/private/pre-base.rkt
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@ -17,6 +17,7 @@
"member.rkt" "member.rkt"
"kernstruct.rkt" "kernstruct.rkt"
"norm-arity.rkt" "norm-arity.rkt"
"performance-hint.rkt"
"top-int.rkt" "top-int.rkt"
'#%builtin ; so it's attached '#%builtin ; so it's attached
(for-syntax "kw.rkt" (for-syntax "kw.rkt"
@ -109,6 +110,7 @@
'random 'random
(string-append "integer greater than " (number->string x)) (string-append "integer greater than " (number->string x))
y)))) y))))
(begin-encourage-inline
(define-values (-random) ; more featureful than #%kernel's `random` (define-values (-random) ; more featureful than #%kernel's `random`
(case-lambda (case-lambda
[() (random)] ; no args, random float [() (random)] ; no args, random float
@ -137,7 +139,7 @@
(enforce-greater min max) (enforce-greater min max)
(unless (pseudo-random-generator? prng) (unless (pseudo-random-generator? prng)
(raise-argument-error 'random "pseudo-random-generator?" prng)) (raise-argument-error 'random "pseudo-random-generator?" prng))
(+ min (random (- max min) prng))])) (+ min (random (- max min) prng))])))
(define-values (new:collection-path) (define-values (new:collection-path)
(let ([collection-path (new-lambda (collection (let ([collection-path (new-lambda (collection