ikarus/benchmarks/rnrs-benchmarks/array1.ss

37 lines
908 B
Scheme

;;; ARRAY1 -- One of the Kernighan and Van Wyk benchmarks.
(library (rnrs-benchmarks array1)
(export main)
(import (rnrs) (rnrs-benchmarks))
(define (create-x n)
(define result (make-vector n))
(do ((i 0 (+ i 1)))
((>= i n) result)
(vector-set! result i i)))
(define (create-y x)
(let* ((n (vector-length x))
(result (make-vector n)))
(do ((i (- n 1) (- i 1)))
((< i 0) result)
(vector-set! result i (vector-ref x i)))))
(define (my-try n)
(vector-length (create-y (create-x n))))
(define (go n)
(let loop ((repeat 100)
(result '()))
(if (> repeat 0)
(loop (- repeat 1) (my-try n))
result)))
(define (main . args)
(run-benchmark
"array1"
array1-iters
(lambda (result) (equal? result 200000))
(lambda (n) (lambda () (go n)))
200000)))