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59047043 | 1 | ;;; coding: latin1 -*- mode: scheme; coding: latin-1; -*- |
3dd11c9b MG |
2 | ;;; srfi-13.bm |
3 | ;;; | |
4 | ;;; Copyright (C) 2009 Free Software Foundation, Inc. | |
5 | ;;; | |
6 | ;;; | |
7 | ;;; This program is free software; you can redistribute it and/or | |
8 | ;;; modify it under the terms of the GNU Lesser General Public License | |
9 | ;;; as published by the Free Software Foundation; either version 3, or | |
10 | ;;; (at your option) any later version. | |
11 | ;;; | |
12 | ;;; This program is distributed in the hope that it will be useful, | |
13 | ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;;; GNU Lesser General Public License for more details. | |
16 | ;;; | |
17 | ;;; You should have received a copy of the GNU Lesser General Public | |
18 | ;;; License along with this software; see the file COPYING.LESSER. If | |
19 | ;;; not, write to the Free Software Foundation, Inc., 51 Franklin | |
20 | ;;; Street, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | ||
22 | (define-module (benchmarks strings) | |
23 | :use-module (benchmark-suite lib)) | |
24 | ||
25 | (seed->random-state 1) | |
26 | ||
27 | (define short-string "Hi") | |
28 | (define medium-string | |
29 | "ARMA virumque cano, Troiae qui primus ab oris | |
30 | Italiam, fato profugus, Laviniaque venit") | |
31 | (define long-string | |
32 | (string-tabulate | |
33 | (lambda (n) (integer->char (+ 32 (random 90)))) | |
34 | 1000)) | |
35 | ||
36 | (define short-chlist (string->list short-string)) | |
37 | (define medium-chlist (string->list medium-string)) | |
38 | (define long-chlist (string->list long-string)) | |
39 | ||
40 | (define str1 (string-copy short-string)) | |
41 | (define str2 (string-copy medium-string)) | |
42 | (define str3 (string-copy long-string)) | |
43 | ||
44 | \f | |
45 | (with-benchmark-prefix "strings" | |
46 | ||
47 | (with-benchmark-prefix "predicates" | |
48 | ||
1b9ac458 | 49 | (benchmark "string?" 1190000 |
3dd11c9b MG |
50 | (string? short-string) |
51 | (string? medium-string) | |
52 | (string? long-string)) | |
53 | ||
1b9ac458 | 54 | (benchmark "null?" 969000 |
3dd11c9b MG |
55 | (string-null? short-string) |
56 | (string-null? medium-string) | |
57 | (string-null? long-string)) | |
58 | ||
1b9ac458 | 59 | (benchmark "any" 94000 |
3dd11c9b MG |
60 | (string-any #\a short-string) |
61 | (string-any #\a medium-string) | |
62 | (string-any #\a long-string)) | |
63 | ||
1b9ac458 | 64 | (benchmark "every" 94000 |
3dd11c9b MG |
65 | (string-every #\a short-string) |
66 | (string-every #\a medium-string) | |
67 | (string-every #\a long-string))) | |
68 | ||
69 | (with-benchmark-prefix "constructors" | |
70 | ||
1b9ac458 | 71 | (benchmark "string" 5000 |
3dd11c9b MG |
72 | (apply string short-chlist) |
73 | (apply string medium-chlist) | |
74 | (apply string long-chlist)) | |
75 | ||
1b9ac458 | 76 | (benchmark "list->" 4500 |
3dd11c9b MG |
77 | (list->string short-chlist) |
78 | (list->string medium-chlist) | |
79 | (list->string long-chlist)) | |
80 | ||
1b9ac458 | 81 | (benchmark "reverse-list->" 5000 |
3dd11c9b MG |
82 | (reverse-list->string short-chlist) |
83 | (reverse-list->string medium-chlist) | |
84 | (reverse-list->string long-chlist)) | |
85 | ||
1b9ac458 | 86 | (benchmark "make" 22000 |
3dd11c9b MG |
87 | (make-string 250 #\x)) |
88 | ||
1b9ac458 | 89 | (benchmark "tabulate" 17000 |
3dd11c9b MG |
90 | (string-tabulate integer->char 250)) |
91 | ||
1b9ac458 | 92 | (benchmark "join" 5500 |
3dd11c9b MG |
93 | (string-join (list short-string medium-string long-string) "|" 'suffix))) |
94 | ||
95 | (with-benchmark-prefix "list/string" | |
1b9ac458 | 96 | (benchmark "->list" 7300 |
3dd11c9b MG |
97 | (string->list short-string) |
98 | (string->list medium-string) | |
99 | (string->list long-string)) | |
100 | ||
1b9ac458 | 101 | (benchmark "split" 60000 |
3dd11c9b MG |
102 | (string-split short-string #\a) |
103 | (string-split medium-string #\a) | |
104 | (string-split long-string #\a))) | |
105 | ||
106 | (with-benchmark-prefix "selection" | |
107 | ||
1b9ac458 | 108 | (benchmark "ref" 660 |
3dd11c9b MG |
109 | (let loop ((k 0)) |
110 | (if (< k (string-length short-string)) | |
111 | (begin | |
112 | (string-ref short-string k) | |
113 | (loop (+ k 1))))) | |
114 | (let loop ((k 0)) | |
115 | (if (< k (string-length medium-string)) | |
116 | (begin | |
117 | (string-ref medium-string k) | |
118 | (loop (+ k 1))))) | |
119 | (let loop ((k 0)) | |
120 | (if (< k (string-length long-string)) | |
121 | (begin | |
122 | (string-ref long-string k) | |
123 | (loop (+ k 1)))))) | |
124 | ||
9084db99 | 125 | (benchmark "copy" 20000 |
3dd11c9b MG |
126 | (string-copy short-string) |
127 | (string-copy medium-string) | |
128 | (string-copy long-string) | |
129 | (substring/copy short-string 0 1) | |
130 | (substring/copy medium-string 10 20) | |
131 | (substring/copy long-string 100 200)) | |
132 | ||
9084db99 | 133 | (benchmark "pad" 34000 |
3dd11c9b MG |
134 | (string-pad short-string 100) |
135 | (string-pad medium-string 100) | |
136 | (string-pad long-string 100)) | |
137 | ||
1b9ac458 | 138 | (benchmark "trim trim-right trim-both" 60000 |
3dd11c9b MG |
139 | (string-trim short-string char-alphabetic?) |
140 | (string-trim medium-string char-alphabetic?) | |
141 | (string-trim long-string char-alphabetic?) | |
142 | (string-trim-right short-string char-alphabetic?) | |
143 | (string-trim-right medium-string char-alphabetic?) | |
144 | (string-trim-right long-string char-alphabetic?) | |
145 | (string-trim-both short-string char-alphabetic?) | |
146 | (string-trim-both medium-string char-alphabetic?) | |
147 | (string-trim-both long-string char-alphabetic?))) | |
148 | ||
149 | (with-benchmark-prefix "modification" | |
150 | ||
151 | (set! str1 (string-copy short-string)) | |
152 | (set! str2 (string-copy medium-string)) | |
153 | (set! str3 (string-copy long-string)) | |
154 | ||
1b9ac458 | 155 | (benchmark "set!" 3000 |
3dd11c9b MG |
156 | (let loop ((k 1)) |
157 | (if (< k (string-length short-string)) | |
158 | (begin | |
159 | (string-set! str1 k #\x) | |
160 | (loop (+ k 1))))) | |
161 | (let loop ((k 20)) | |
162 | (if (< k (string-length medium-string)) | |
163 | (begin | |
164 | (string-set! str2 k #\x) | |
165 | (loop (+ k 1))))) | |
166 | (let loop ((k 900)) | |
167 | (if (< k (string-length long-string)) | |
168 | (begin | |
169 | (string-set! str3 k #\x) | |
170 | (loop (+ k 1)))))) | |
171 | ||
172 | (set! str1 (string-copy short-string)) | |
173 | (set! str2 (string-copy medium-string)) | |
174 | (set! str3 (string-copy long-string)) | |
175 | ||
1b9ac458 | 176 | (benchmark "sub-move!" 230000 |
3dd11c9b MG |
177 | (substring-move! short-string 0 2 str2 10) |
178 | (substring-move! medium-string 10 20 str3 20)) | |
179 | ||
180 | (set! str1 (string-copy short-string)) | |
181 | (set! str2 (string-copy medium-string)) | |
182 | (set! str3 (string-copy long-string)) | |
183 | ||
1b9ac458 | 184 | (benchmark "fill!" 230000 |
3dd11c9b MG |
185 | (string-fill! str1 #\y 0 1) |
186 | (string-fill! str2 #\y 10 20) | |
187 | (string-fill! str3 #\y 20 30)) | |
188 | ||
189 | (with-benchmark-prefix "comparison" | |
190 | ||
1b9ac458 | 191 | (benchmark "compare compare-ci" 140000 |
3dd11c9b MG |
192 | (string-compare short-string medium-string string<? string=? string>?) |
193 | (string-compare long-string medium-string string<? string=? string>?) | |
1b9ac458 MG |
194 | (string-compare-ci short-string medium-string string<? string=? string>?) |
195 | (string-compare-ci long-string medium-string string<? string=? string>?)) | |
3dd11c9b | 196 | |
1b9ac458 | 197 | (benchmark "hash hash-ci" 1000 |
3dd11c9b MG |
198 | (string-hash short-string) |
199 | (string-hash medium-string) | |
200 | (string-hash long-string) | |
1b9ac458 MG |
201 | (string-hash-ci short-string) |
202 | (string-hash-ci medium-string) | |
203 | (string-hash-ci long-string)))) | |
3dd11c9b MG |
204 | |
205 | (with-benchmark-prefix "searching" 20000 | |
206 | ||
1b9ac458 | 207 | (benchmark "prefix-length suffix-length" 270 |
3dd11c9b MG |
208 | (string-prefix-length short-string |
209 | (string-append short-string medium-string)) | |
210 | (string-prefix-length long-string | |
211 | (string-append long-string medium-string)) | |
212 | (string-suffix-length short-string | |
1b9ac458 | 213 | (string-append medium-string short-string)) |
3dd11c9b | 214 | (string-suffix-length long-string |
1b9ac458 | 215 | (string-append medium-string long-string)) |
3dd11c9b MG |
216 | (string-prefix-length-ci short-string |
217 | (string-append short-string medium-string)) | |
218 | (string-prefix-length-ci long-string | |
219 | (string-append long-string medium-string)) | |
220 | (string-suffix-length-ci short-string | |
1b9ac458 | 221 | (string-append medium-string short-string)) |
3dd11c9b | 222 | (string-suffix-length-ci long-string |
1b9ac458 | 223 | (string-append medium-string long-string))) |
3dd11c9b | 224 | |
1b9ac458 | 225 | (benchmark "prefix? suffix?" 270 |
3dd11c9b MG |
226 | (string-prefix? short-string |
227 | (string-append short-string medium-string)) | |
228 | (string-prefix? long-string | |
229 | (string-append long-string medium-string)) | |
230 | (string-suffix? short-string | |
1b9ac458 | 231 | (string-append medium-string short-string)) |
3dd11c9b | 232 | (string-suffix? long-string |
1b9ac458 MG |
233 | (string-append medium-string long-string)) |
234 | (string-prefix-ci? short-string | |
3dd11c9b | 235 | (string-append short-string medium-string)) |
1b9ac458 | 236 | (string-prefix-ci? long-string |
3dd11c9b | 237 | (string-append long-string medium-string)) |
1b9ac458 MG |
238 | (string-suffix-ci? short-string |
239 | (string-append medium-string short-string)) | |
240 | (string-suffix-ci? long-string | |
241 | (string-append medium-string long-string))) | |
3dd11c9b | 242 | |
1b9ac458 | 243 | (benchmark "index index-right rindex" 100000 |
3dd11c9b MG |
244 | (string-index short-string #\T) |
245 | (string-index medium-string #\T) | |
246 | (string-index long-string #\T) | |
247 | (string-index-right short-string #\T) | |
248 | (string-index-right medium-string #\T) | |
249 | (string-index-right long-string #\T) | |
250 | (string-rindex short-string #\T) | |
251 | (string-rindex medium-string #\T) | |
252 | (string-rindex long-string #\T)) | |
253 | ||
1b9ac458 | 254 | (benchmark "skip skip-right?" 100000 |
3dd11c9b MG |
255 | (string-skip short-string char-alphabetic?) |
256 | (string-skip medium-string char-alphabetic?) | |
257 | (string-skip long-string char-alphabetic?) | |
258 | (string-skip-right short-string char-alphabetic?) | |
259 | (string-skip-right medium-string char-alphabetic?) | |
260 | (string-skip-right long-string char-alphabetic?)) | |
261 | ||
1b9ac458 | 262 | (benchmark "count" 10000 |
3dd11c9b MG |
263 | (string-count short-string char-alphabetic?) |
264 | (string-count medium-string char-alphabetic?) | |
265 | (string-count long-string char-alphabetic?)) | |
266 | ||
1b9ac458 | 267 | (benchmark "contains contains-ci" 34000 |
3dd11c9b MG |
268 | (string-contains short-string short-string) |
269 | (string-contains medium-string (substring medium-string 10 15)) | |
270 | (string-contains long-string (substring long-string 100 130)) | |
271 | (string-contains-ci short-string short-string) | |
272 | (string-contains-ci medium-string (substring medium-string 10 15)) | |
273 | (string-contains-ci long-string (substring long-string 100 130))) | |
274 | ||
275 | (set! str1 (string-copy short-string)) | |
276 | (set! str2 (string-copy medium-string)) | |
277 | (set! str3 (string-copy long-string)) | |
278 | ||
1b9ac458 | 279 | (benchmark "upcase downcase upcase! downcase!" 600 |
3dd11c9b MG |
280 | (string-upcase short-string) |
281 | (string-upcase medium-string) | |
282 | (string-upcase long-string) | |
283 | (string-downcase short-string) | |
284 | (string-downcase medium-string) | |
285 | (string-downcase long-string) | |
286 | (string-upcase! str1 0 1) | |
287 | (string-upcase! str2 10 20) | |
288 | (string-upcase! str3 100 130) | |
289 | (string-downcase! str1 0 1) | |
290 | (string-downcase! str2 10 20) | |
1b9ac458 MG |
291 | (string-downcase! str3 100 130))) |
292 | ||
293 | (with-benchmark-prefix "readers" | |
294 | ||
295 | (benchmark "read token, method 1" 1200 | |
296 | (let ((buf (make-string 512))) | |
297 | (let loop ((i 0)) | |
298 | (if (< i 512) | |
299 | (begin | |
300 | (string-set! buf i #\x) | |
301 | (loop (+ i 1))) | |
302 | buf)))) | |
303 | ||
304 | (benchmark "read token, method 2" 1200 | |
305 | (let ((lst '())) | |
306 | (let loop ((i 0)) | |
307 | (set! lst (append! lst (list #\x))) | |
308 | (if (< i 512) | |
309 | (loop (+ i 1)) | |
310 | (list->string lst))))))) |