Merge commit 'de1eb420a5a95b17e85b19c4d98c869036e9ecb0'
[bpt/guile.git] / benchmark-suite / benchmarks / ports.bm
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1;;; ports.bm --- Port I/O. -*- mode: scheme; coding: utf-8; -*-
2;;;
da35d2ea 3;;; Copyright (C) 2010, 2011, 2012 Free Software Foundation, Inc.
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4;;;
5;;; This program is free software; you can redistribute it and/or
6;;; modify it under the terms of the GNU Lesser General Public License
7;;; as published by the Free Software Foundation; either version 3, or
8;;; (at your option) any later version.
9;;;
10;;; This program is distributed in the hope that it will be useful,
11;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
12;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13;;; GNU Lesser General Public License for more details.
14;;;
15;;; You should have received a copy of the GNU Lesser General Public
16;;; License along with this software; see the file COPYING.LESSER. If
17;;; not, write to the Free Software Foundation, Inc., 51 Franklin
18;;; Street, Fifth Floor, Boston, MA 02110-1301 USA
19
20(define-module (benchmarks ports)
d9f24bc9 21 #:use-module (ice-9 rdelim)
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22 #:use-module (benchmark-suite lib))
23
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24(define-syntax sequence
25 (lambda (s)
26 ;; Create a sequence `(begin EXPR ...)' with COUNT occurrences of EXPR.
27 (syntax-case s ()
28 ((_ expr count)
29 (number? (syntax->datum #'count))
30 (cons #'begin
31 (make-list (syntax->datum #'count) #'expr))))))
32
33(define (large-string s)
34 (string-concatenate (make-list (* iteration-factor 10000) s)))
35
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36(define %latin1-port
37 (with-fluids ((%default-port-encoding #f))
da35d2ea 38 (open-input-string (large-string "hello, world"))))
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39
40(define %utf8/ascii-port
41 (with-fluids ((%default-port-encoding "UTF-8"))
da35d2ea 42 (open-input-string (large-string "hello, world"))))
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43
44(define %utf8/wide-port
45 (with-fluids ((%default-port-encoding "UTF-8"))
da35d2ea 46 (open-input-string (large-string "안녕하세요"))))
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47
48\f
49(with-benchmark-prefix "peek-char"
50
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51 (benchmark "latin-1 port" 700
52 (sequence (peek-char %latin1-port) 1000))
fd5eec2b 53
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54 (benchmark "utf-8 port, ascii character" 700
55 (sequence (peek-char %utf8/ascii-port) 1000))
fd5eec2b 56
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57 (benchmark "utf-8 port, Korean character" 700
58 (sequence (peek-char %utf8/wide-port) 1000)))
fd5eec2b 59
da35d2ea 60(with-benchmark-prefix "char-ready?"
fd5eec2b 61
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62 (benchmark "latin-1 port" 10000
63 (sequence (char-ready? %latin1-port) 1000))
fd5eec2b 64
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65 (benchmark "utf-8 port, ascii character" 10000
66 (sequence (char-ready? %utf8/ascii-port) 1000))
fd5eec2b 67
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68 (benchmark "utf-8 port, Korean character" 10000
69 (sequence (char-ready? %utf8/wide-port) 1000)))
fd5eec2b 70
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71;; Keep the `read-char' benchmarks last as they consume input from the
72;; ports.
73
74(with-benchmark-prefix "read-char"
fd5eec2b 75
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76 (benchmark "latin-1 port" 10000
77 (sequence (read-char %latin1-port) 1000))
fd5eec2b 78
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79 (benchmark "utf-8 port, ascii character" 10000
80 (sequence (read-char %utf8/ascii-port) 1000))
fd5eec2b 81
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82 (benchmark "utf-8 port, Korean character" 10000
83 (sequence (read-char %utf8/wide-port) 1000)))
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84
85\f
86(with-benchmark-prefix "rdelim"
87
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88 (let ((str (string-concatenate (make-list 1000 "one line\n"))))
89 (benchmark "read-line" 1000
90 (let ((port (with-fluids ((%default-port-encoding "UTF-8"))
91 (open-input-string str))))
92 (sequence (read-line port) 1000)))))