1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
(set! (*s7* 'heap-size) 1024000)
(define size 500000)
(define-macro (m2 a b) `(+ ,a ,@b 1))
(define (f2)
(let ((x 2)
(y 0))
(do ((j 0 (+ j 1)))
((= j 1))
(do ((i 0 (+ i 1)))
((= i size))
(set! y (m2 x (x x)))
(if (not (= y (+ (* 3 x) 1)))
(format *stderr* "y: ~A~%" y))))))
(f2)
(define (f2d)
(let ((x 2)
(y 0)
(size2 50000))
(do ((j 0 (+ j 1)))
((= j 1))
(do ((i 0 (+ i 1)))
((= i size2))
(set! y ((macro (a b) `(+ ,a ,@b 1)) x (x x)))
(if (not (= y (+ (* 3 x) 1)))
(format *stderr* "y: ~A~%" y))))))
(f2d)
(define-expansion (m3 a b) `(+ ,a ,@b 1))
(define (f3)
(let ((x 2)
(y 0))
(do ((j 0 (+ j 1)))
((= j 1))
(do ((i 0 (+ i 1)))
((= i size))
(set! y (m3 x (x x)))
(if (not (= y (+ (* 3 x) 1)))
(format *stderr* "y: ~A~%" y))))))
(f3)
(define (f4 m) (+ 2 (m 3)))
(define (f4-test mx)
(do ((i 0 (+ i 1)))
((= i size))
(f4 mx)))
(define-macro (m4 a) `(+ ,a 1))
(f4-test m4)
(define-macro (m5 a . b) `(+ ,a ,@b))
(f4-test m5)
(define-macro* (m6 (a 21)) `(+ ,a 1))
(f4-test m6)
(define (f5-test)
(do ((i 0 (+ i 1)))
((= i size))
(m5 1 3 4 5)))
(f5-test)
(define-macro (m61 a b) (cons '+ (cons a b)))
(define (f61-test mx)
(do ((i 0 (+ i 1)))
((= i size))
(mx 1 (3 4 5))))
(f61-test m61)
(define (f7-test mx)
(do ((i 0 (+ i 1)))
((= i size))
(mx 1 ())))
(f7-test m61)
(define (f8-test mx)
(let loop ((ctr size))
(mx 1 3 4 5)
(if (= ctr 0)
0
(loop (- ctr 1)))))
(f8-test m5)
(define-macro (trace f)
(let ((old-f (gensym)))
`(define ,f
(let ((,old-f ,f))
(apply lambda 'args
`((format #f "(~S ~{~S~^ ~}) -> " ',',f args)
(let ((val (apply ,,old-f args)))
(format #f "~S~%" val)
val)))))))
(define (trace-test)
(let loop ((count 0))
(if (< count 30000) ; not 'when for old snd timings
(let ((f1 (lambda (x y z) (+ x y z))))
(trace f1) ; op_macro_d I think
(f1 count count count)
(loop (+ count 1))))))
(trace-test)
;;; recursive macros
(let ()
(define-macro (m1 a b)
`(if (> ,a 0)
(m1 (- ,a 1) (+ ,b 1))
(+ ,a ,b)))
(define (test-m1)
(do ((i 0 (+ i 1)))
((= i 10000))
(m1 3 0)))
(test-m1))
(let ((m2 (macro (a b)
`(if (> ,a 0)
(m2 (- ,a 1) (+ ,b 1)) ; m2 ok so named macro let is not needed
(+ ,a ,b)))))
(define (test-m2)
(do ((i 0 (+ i 1)))
((= i 10000))
(m2 3 0)))
(test-m2))
#|
;; undefined m3
(let ((m3 (lambda (a b)
(if (> a 0)
(m3 (- a 1) (+ b 1)) ; m3 undefined so we need letrec/named let etc
(+ a b)))))
;(display (m3 3 0)) (newline)
#f)
|#
(let ()
(define-macro (tak x y z) ; [1992], expansion is same (1980) even if declared globally, functional tak is [7]
`(if (not (< ,y ,x))
,z
(tak (tak (- ,x 1) ,y ,z)
(tak (- ,y 1) ,z ,x)
(tak (- ,z 1) ,x ,y))))
(define (test-tak)
(do ((i 0 (+ i 1)))
((= i 200))
(tak 6 4 2)))
(test-tak))
;; simple swap
(define-macro (sw! a b)
(let ((tmp (gensym)))
`(let ((,tmp ,a))
(set! ,a ,b)
(set! ,b ,tmp))))
(define (m7)
(let ((a 1) (b 2))
(do ((i 0 (+ i 1)))
((= i 200000))
(sw! a b))))
(m7)
(when (> (*s7* 'profile) 0)
(show-profile 200))
(exit)
|
