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- ; Assuming that the name of the XScheme executable file is:
- ; xs_xxx
- ; you can run the benchmark by typing:
- ; xs_xxx bench.s
- ; from the DOS prompt. If the executable uses the PharLap DOS
- ; extender, type:
- ; run386 xs_xxx bench.s
- ; instead
- ;
- (define (bench expr)
- (let ((gc-start (gc))
- (start (time)))
- (eval expr)
- (let ((end (time))
- (gc-end (gc)))
- (write expr)
- (display ", elapsed time: ")
- (write (difftime end start))
- (display ", gc calls: ")
- (write (- (car gc-end) (car gc-start) 1))
- (display ", memory: ")
- (write (list-ref gc-end 5))
- (newline))))
-
- (define (fib n)
- (cond ((= n 0) 0)
- ((= n 1) 1)
- (else (+ (fib (- n 1))
- (fib (- n 2))))))
-
- (bench '(fib 25))
-
- (exit)