blob: 463a8eb17d9eafd745f929bb7b4c4c6369270ef6 (
plain) (
blame)
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
|
;;
;; immer: immutable data structures for C++
;; Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
;;
;; This software is distributed under the Boost Software License, Version 1.0.
;; See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
;;
(use-modules (immer)
(fector) ; https://wingolog.org/pub/fector.scm
(srfi srfi-1)
(srfi srfi-43)
(ice-9 vlist)
(ice-9 pretty-print)
(rnrs bytevectors))
(define-syntax display-eval
(syntax-rules ()
((_ expr)
(begin (pretty-print 'expr
#:max-expr-width 72)
expr))))
(display-eval (define bench-size 1000000))
(display-eval (define bench-samples 10))
(define (average . ns)
(/ (apply + ns) (length ns)))
(define (generate-n n fn)
(unfold (lambda (x) (= x n))
(lambda (x) (fn))
(lambda (x) (+ x 1))
0))
(define-syntax benchmark
(syntax-rules ()
((_ expr)
(begin
(display "; evaluating: ") (newline)
(pretty-print 'expr
#:max-expr-width 72
#:per-line-prefix " ")
(let* ((sample (lambda ()
(gc)
(let* ((t0 (get-internal-real-time))
(r expr)
(t1 (get-internal-real-time)))
(/ (- t1 t0) internal-time-units-per-second))))
(samples (generate-n bench-samples sample))
(result (apply average samples)))
(display "; average time: ")
(display (exact->inexact result))
(display " seconds")
(newline))))))
(display ";;;; benchmarking creation...") (newline)
(display-eval
(define (fector . args)
(persistent-fector (fold (lambda (v fv) (fector-push! fv v))
(transient-fector)
args))))
(benchmark (apply ivector (iota bench-size)))
(benchmark (apply ivector-u32 (iota bench-size)))
(benchmark (iota bench-size))
(benchmark (apply vector (iota bench-size)))
(benchmark (apply u32vector (iota bench-size)))
(benchmark (list->vlist (iota bench-size)))
(benchmark (apply fector (iota bench-size)))
(display ";;;; benchmarking iteration...") (newline)
(display-eval (define bench-ivector (apply ivector (iota bench-size))))
(display-eval (define bench-ivector-u32 (apply ivector-u32 (iota bench-size))))
(display-eval (define bench-list (iota bench-size)))
(display-eval (define bench-vector (apply vector (iota bench-size))))
(display-eval (define bench-u32vector (apply u32vector (iota bench-size))))
(display-eval (define bench-vlist (list->vlist (iota bench-size))))
(display-eval (define bench-fector (apply fector (iota bench-size))))
(display-eval (define bench-bytevector-u32
(uint-list->bytevector (iota bench-size)
(native-endianness)
4)))
(benchmark (ivector-fold + 0 bench-ivector))
(benchmark (ivector-u32-fold + 0 bench-ivector-u32))
(benchmark (fold + 0 bench-list))
(benchmark (vector-fold + 0 bench-vector))
(benchmark (vlist-fold + 0 bench-vlist))
(benchmark (fector-fold + bench-fector 0))
(display ";;;; benchmarking iteration by index...") (newline)
(display-eval
(define-syntax iteration-by-index
(syntax-rules ()
((_ *length *ref *vector *step)
(let ((len (*length *vector)))
(let iter ((i 0) (acc 0))
(if (< i len)
(iter (+ i *step)
(+ acc (*ref *vector i)))
acc)))))))
(display-eval
(define-syntax iteration-by-index-truncate
(syntax-rules ()
((_ *length *ref *vector *step)
(let ((len (*length *vector)))
(let iter ((i 0) (acc 0))
(if (< i len)
(iter (+ i *step)
(logand #xffffffffFFFFFFFF
(+ acc (*ref *vector i))))
acc)))))))
(benchmark (iteration-by-index ivector-length
ivector-ref
bench-ivector 1))
(benchmark (iteration-by-index ivector-u32-length
ivector-u32-ref
bench-ivector-u32 1))
(benchmark (iteration-by-index vector-length
vector-ref
bench-vector 1))
(benchmark (iteration-by-index u32vector-length
u32vector-ref
bench-u32vector 1))
(benchmark (iteration-by-index vlist-length
vlist-ref
bench-vlist 1))
(benchmark (iteration-by-index fector-length
fector-ref
bench-fector 1))
(benchmark (iteration-by-index bytevector-length
bytevector-u32-native-ref
bench-bytevector-u32 4))
(benchmark (iteration-by-index-truncate ivector-length
ivector-ref
bench-ivector 1))
(benchmark (iteration-by-index-truncate ivector-u32-length
ivector-u32-ref
bench-ivector-u32 1))
(benchmark (iteration-by-index-truncate vector-length
vector-ref
bench-vector 1))
(benchmark (iteration-by-index-truncate u32vector-length
u32vector-ref
bench-u32vector 1))
(benchmark (iteration-by-index-truncate vlist-length
vlist-ref
bench-vlist 1))
(benchmark (iteration-by-index-truncate fector-length
fector-ref
bench-fector 1))
(benchmark (iteration-by-index-truncate bytevector-length
bytevector-u32-native-ref
bench-bytevector-u32 4))
(display ";;;; benchmarking concatenation...") (newline)
(benchmark (ivector-append bench-ivector bench-ivector))
(benchmark (ivector-u32-append bench-ivector-u32 bench-ivector-u32))
(benchmark (append bench-list bench-list))
(benchmark (vector-append bench-vector bench-vector))
(benchmark (vlist-append bench-vlist bench-vlist))
|
