guile-for-guile-emacs/benchmark-suite/benchmarks/structs.bm

;;; -*- mode: scheme; coding: iso-8859-1; -*-
;;; Structs.
;;;
;;; Copyright 2009 Free Software Foundation, Inc.
;;;
;;; This program is free software; you can redistribute it and/or
;;; modify it under the terms of the GNU Lesser General Public License
;;; as published by the Free Software Foundation; either version 3, or
;;; (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU Lesser General Public License for more details.
;;;
;;; You should have received a copy of the GNU Lesser General Public
;;; License along with this software; see the file COPYING.LESSER.  If
;;; not, write to the Free Software Foundation, Inc., 51 Franklin
;;; Street, Fifth Floor, Boston, MA 02110-1301 USA

(define-module (benchmarks structs)
  :use-module (benchmark-suite lib))

;; Note: Use `--iteration-factor' to change this.
(define iterations 2000000)

(define vtable2
  (make-vtable "prpr"))

(define vtable7
  (make-vtable (string-concatenate (make-list 7 "pr"))))


(with-benchmark-prefix "constructors"

  (benchmark "make-struct2 (opcode)" iterations
    (make-struct vtable2 0 1 2))

  (benchmark "make-struct2 (procedure)" iterations
    (let ((s make-struct))
      (s vtable2 0 1 2)))

  (benchmark "make-struct7 (opcode)" iterations
    (make-struct vtable7 0 1 2 3 4 5 6 7))

  (benchmark "make-struct7 (procedure)" iterations
    (let ((s make-struct))
      (s vtable7 0 1 2 3 4 5 6 7))))


(with-benchmark-prefix "pairs" ;; for comparison

  (benchmark "cons (opcode)" iterations
    (cons 1 2))

  (benchmark "cons (procedure)" iterations
    (let ((c cons))
      (c 1 2)))

  (benchmark "list (opcode)" iterations
    (list 1 2 3 4 5 6 7))

  (benchmark "list (procedure)" iterations
    (let ((l list))
      (l 1 2 3 4 5 6 7)))

  (benchmark "make-list" iterations
    (make-list 7)))