gstreamer/tests/bench-complexity.scm

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#!/bin/bash
# -*- scheme -*-
exec guile -s $0 "$@"
!#
;; Quick hack to make some data files that gnuplot can read from
;; complexity. Guile 1.6.
(use-modules (srfi srfi-13)
(srfi srfi-1)
(ice-9 optargs)
(ice-9 popen))
(define *phases* '(create set run destroy))
(define (read-lines port)
(let lp ((lines '()))
(let ((x (read-line port)))
(if (eof-object? x)
(begin
(close-port port)
(reverse! lines))
(lp (cons x lines))))))
(define (parse-time str)
(and (char-numeric? (string-ref str 0))
(fold (lambda (x ret) (+ (* ret 60) x)) 0
(map (lambda (x) (with-input-from-string x read))
(string-split str #\:)))))
(define (run-test program . args)
(format #t "; running test: ~a\n" (cons program args))
(map
cons
*phases*
(filter-map
parse-time
(read-lines
(open-input-pipe
(string-join (map object->string (cons program args)) " "))))))
(define (seq start stop step)
(let lp ((n start) (out '()))
(if (> n stop)
(reverse! out)
(lp (+ n step) (cons n out)))))
(define (run-tests n-elements)
(let lp ((x 1) (out '()))
(if (> x n-elements)
(reverse! out)
(lp (* x 2)
(acons x (run-test "./complexity" x n-elements) out)))))
(define (output-results results)
(let ((p (open-output-file "complexity.data")))
(display "#complexity creation state-change run destroy\n" p)
(for-each
(lambda (line)
(display (car line) p)
(for-each
(lambda (t) (format p " ~a" t))
(map cdr (cdr line)))
(newline p))
results)
(close-port p)))
(output-results
(apply run-tests (map string->number (cdr (program-arguments)))))