+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name: allocation.cl
+;;;; Purpose: Benchmark allocation and slot-access speed
+;;;; Programmer: Kevin M. Rosenberg
+;;;; Date Started: Mar 2002
+;;;;
+;;;; $Id: allocation.cl,v 1.3 2002/03/21 19:47:20 kevin Exp $
+;;;;
+;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;;
+;;;; UFFI users are granted the rights to distribute and use this software
+;;;; as governed by the terms of the Lisp Lesser GNU Public License
+;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
+;;;; *************************************************************************
+
+(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
(in-package :cl-user)
-(defun stk ()
+(defun stk-int ()
#+allegro
(ff:with-stack-fobject (ptr :int)
(setf (ff:fslot-value ptr) 0))
(setf (fli:dereference ptr) 0))
#+cmu
(alien:with-alien ((ptr alien:signed))
- (setf ptr 0))
+ (let ((p (alien:addr ptr)))
+ (setf (alien:deref p) 0)))
+ )
+
+(defun stk-vector ()
+ #+allegro
+ (ff:with-stack-fobject (ptr '(:array :int 10) )
+ (setf (ff:fslot-value ptr 5) 0))
+ #+lispworks
+ (fli:with-dynamic-foreign-objects ((ptr (:c-array :int 10)))
+ (setf (fli:dereference ptr 5) 0))
+ #+cmu
+ (alien:with-alien ((ptr (alien:array alien:signed 10)))
+ (setf (alien:deref ptr 5) 0))
)
-(defun stat ()
+(defun stat-int ()
#+allegro
(let ((ptr (ff:allocate-fobject :int :c)))
(declare (dynamic-extent ptr))
(alien:free-alien ptr))
)
+(defun stat-vector ()
+ #+allegro
+ (let ((ptr (ff:allocate-fobject '(:array :int 10) :c)))
+ (declare (dynamic-extent ptr))
+ (setf (ff:fslot-value-typed '(:array :int 10) :c ptr 5) 0)
+ (ff:free-fobject ptr))
+ #+lispworks
+ (let ((ptr (fli:allocate-foreign-object :type '(:c-array :int 10))))
+ (declare (dynamic-extent ptr))
+ (setf (fli:dereference ptr 5) 0)
+ (fli:free-foreign-object ptr))
+ #+cmu
+ (let ((ptr (alien:make-alien (alien:array (alien:signed 32) 10))))
+ (declare ;;(type (alien (* (alien:unsigned 32))) ptr)
+ (dynamic-extent ptr))
+ (setf (alien:deref ptr 5) 0)
+ (alien:free-alien ptr))
+ )
(defun stk-vs-stat ()
- (format t "~&Stack allocation")
+ (format t "~&Stack allocation, Integer")
(time (dotimes (i 1000)
(dotimes (j 1000)
- (stk))))
- (format t "~&Static allocation, open-coded slot access")
+ (stk-int))))
+ (format t "~&Static allocation, Integer")
(time (dotimes (i 1000)
(dotimes (j 1000)
- (stat)))))
+ (stat-int))))
+ (format t "~&Stack allocation, Vector")
+ (time (dotimes (i 1000)
+ (dotimes (j 1000)
+ (stk-int))))
+ (format t "~&Static allocation, Vector")
+ (time (dotimes (i 1000)
+ (dotimes (j 1000)
+ (stat-int))))
+)
+
+
+(stk-vs-stat)