src/pcl/time.lisp

   1 ;;;; FIXME: This should probably move to some separate tests or benchmarks
   2 ;;;; directory.
   3
   4 (in-package "SB-PCL")
   5
   6 (declaim (optimize (speed 3) (safety 0) (compilation-speed 0)))
   7
   8 (defvar *tests*)
   9 (setq *tests* nil)
  10
  11 (defvar m (car (generic-function-methods #'shared-initialize)))
  12 (defvar gf #'shared-initialize)
  13 (defvar c (find-class 'standard-class))
  14
  15 (defclass str ()
  16   ((slot :initform nil :reader str-slot))
  17   (:metaclass structure-class))
  18
  19 (defvar str (make-instance 'str))
  20
  21 (push (cons "Time unoptimized slot-value. This is case (1) from notes.text. (standard)"
  22             '(time-slot-value m 'plist 10000))
  23       *tests*)
  24 (push (cons "Time unoptimized slot-value. This is case (1) from notes.text. (standard)"
  25             '(time-slot-value m '%generic-function 10000))
  26       *tests*)
  27 (push (cons "Time unoptimized slot-value. This is case (1) from notes.text. (structure)"
  28             '(time-slot-value str 'slot 10000))
  29       *tests*)
  30 (defun time-slot-value (object slot-name n)
  31   (time (dotimes-fixnum (i n) (slot-value object slot-name))))
  32
  33 (push (cons "Time optimized slot-value outside of a defmethod. Case (2). (standard)"
  34             '(time-slot-value-function m 10000))
  35       *tests*)
  36 (defun time-slot-value-function (object n)
  37   (time (dotimes-fixnum (i n) (slot-value object '%function))))
  38
  39 (push (cons "Time optimized slot-value outside of a defmethod. Case (2). (structure)"
  40             '(time-slot-value-slot str 10000))
  41       *tests*)
  42 (defun time-slot-value-slot (object n)
  43   (time (dotimes-fixnum (i n) (slot-value object 'slot))))
  44
  45 (push (cons "Time one-class dfun."
  46             '(time-generic-function-methods gf 10000))
  47       *tests*)
  48 (defun time-generic-function-methods (object n)
  49   (time (dotimes-fixnum (i n) (generic-function-methods object))))
  50
  51 (push (cons "Time one-index dfun."
  52             '(time-class-precedence-list c 10000))
  53       *tests*)
  54 (defun time-class-precedence-list (object n)
  55   (time (dotimes-fixnum (i n) (class-precedence-list object))))
  56
  57 (push (cons "Time n-n dfun."
  58             '(time-method-function m 10000))
  59       *tests*)
  60 (defun time-method-function (object n)
  61   (time (dotimes-fixnum (i n) (method-function object))))
  62
  63 (push (cons "Time caching dfun."
  64             '(time-class-slots c 10000))
  65       *tests*)
  66 (defun time-class-slots (object n)
  67   (time (dotimes-fixnum (i n) (class-slots object))))
  68
  69 (push (cons "Time typep for classes."
  70             '(time-typep-standard-object m 10000))
  71       *tests*)
  72 (defun time-typep-standard-object (object n)
  73   (time (dotimes-fixnum (i n) (typep object 'standard-object))))
  74
  75 (push (cons "Time default-initargs."
  76             '(time-default-initargs (find-class 'plist-mixin) 1000))
  77       *tests*)
  78 (defun time-default-initargs (class n)
  79   (time (dotimes-fixnum (i n) (default-initargs class nil))))
  80
  81 (push (cons "Time make-instance."
  82             '(time-make-instance (find-class 'plist-mixin) 1000))
  83       *tests*)
  84 (defun time-make-instance (class n)
  85   (time (dotimes-fixnum (i n) (make-instance class))))
  86
  87 (push (cons "Time constant-keys make-instance."
  88             '(time-constant-keys-make-instance 1000))
  89       *tests*)
  90
  91 (expanding-make-instance-toplevel
  92 (defun constant-keys-make-instance (n)
  93   (dotimes-fixnum (i n) (make-instance 'plist-mixin))))
  94
  95 (precompile-random-code-segments)
  96
  97 (defun time-constant-keys-make-instance (n)
  98   (time (constant-keys-make-instance n)))
  99
 100 (defun expand-all-macros (form)
 101   (walk-form form nil (lambda (form context env)
 102                         (if (and (eq context :eval)
 103                                  (consp form)
 104                                  (symbolp (car form))
 105                                  (not (special-form-p (car form)))
 106                                  (macro-function (car form)))
 107                             (values (macroexpand form env))
 108                             form))))
 109
 110 (push (cons "Macroexpand meth-structure-slot-value"
 111             '(pprint (multiple-value-bind (pgf pm)
 112                          (prototypes-for-make-method-lambda
 113                           'meth-structure-slot-value)
 114                        (expand-defmethod
 115                         'meth-structure-slot-value pgf pm
 116                         nil '((object str))
 117                         '((lambda () (slot-value object 'slot)))
 118                         nil))))
 119       *tests*)
 120
 121 (push (cons "Show code for slot-value inside a defmethod for a structure-class. Case (3)."
 122             '(disassemble (meth-structure-slot-value str)))
 123       *tests*)
 124 (defmethod meth-structure-slot-value ((object str))
 125   (lambda () (slot-value object 'slot)))
 126
 127 #|| ; interesting, but long. (produces 100 lines of output)
 128 (push (cons "Macroexpand meth-standard-slot-value"
 129             '(pprint (expand-all-macros
 130                      (expand-defmethod-internal 'meth-standard-slot-value
 131                       nil '((object standard-method))
 132                       '((lambda () (slot-value object '%function)))
 133                       nil))))
 134       *tests*)
 135 (push (cons "Show code for slot-value inside a defmethod for a standard-class. Case (4)."
 136             '(disassemble (meth-standard-slot-value m)))
 137       *tests*)
 138 (defmethod meth-standard-slot-value ((object standard-method))
 139   (lambda () (slot-value object '%function)))
 140 ||#
 141
 142 (defun run-tests ()
 143   (dolist (doc+form (reverse *tests*))
 144     (format t "~&~%~A~%" (car doc+form))
 145     (pprint (cdr doc+form))
 146     (eval (cdr doc+form))))