;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Apr 2000
;;;;
-;;;; $Id: genutils.lisp,v 1.11 2002/12/04 16:49:23 kevin Exp $
+;;;; $Id: genutils.lisp,v 1.14 2003/01/13 21:40:20 kevin Exp $
;;;;
;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(if val (push val acc))))
(nreverse acc)))
+(defun appendnew (l1 l2)
+ "Append two lists, filtering out elem from second list that are already in first list"
+ (dolist (elem l2)
+ (unless (find elem l1)
+ (setq l1 (append l1 (list elem)))))
+ l1)
;; Functions
(terpri ostrm)))
-;;; Symbol functions
-
-(defmacro concat-symbol (&rest args)
- `(intern (concatenate 'string ,@args)))
-
-(defmacro concat-symbol-pkg (pkg &rest args)
- `(intern (concatenate 'string ,@args) ,pkg))
-
-
;;; IO
year
hr min sec))))
+
+;; Benchmarking
+
+(defun print-float-units (val unit)
+ (cond
+ ((< val 1d-6)
+ (format t "~,2,9F nano~A" val unit))
+ ((< val 1d-3)
+ (format t "~,2,6F micro~A" val unit))
+ ((< val 1)
+ (format t "~,2,3F milli~A" val unit))
+ ((> val 1d9)
+ (format t "~,2,-9F giga~A" val unit))
+ ((> val 1d6)
+ (format t "~,2,-6F mega~A" val unit))
+ ((> val 1d3)
+ (format t "~,2,-3F kilo~A" val unit))
+ (t
+ (format t "~,2F ~A" val unit))))
+
+(defun print-seconds (secs)
+ (print-float-units secs "sec"))
+
+(defmacro time-iterations (n &body body)
+ (let ((i (gensym))
+ (count (gensym)))
+ `(progn
+ (let ((,count ,n))
+ (format t "~&Test with ~d iterations: ~W" ,count (quote ,body))
+ (let ((t1 (get-internal-real-time)))
+ (dotimes (,i ,count)
+ ,@body)
+ (let* ((t2 (get-internal-real-time))
+ (secs (coerce (/ (- t2 t1)
+ internal-time-units-per-second)
+ 'double-float)))
+ (format t "~&Total time: ")
+ (print-seconds secs)
+ (format t ", time per iteration: ")
+ (print-seconds (coerce (/ secs ,n) 'double-float))))))))
+