| 1 | ;;; ports.bm --- Port I/O. -*- mode: scheme; coding: utf-8; -*- |
| 2 | ;;; |
| 3 | ;;; Copyright (C) 2010, 2011 Free Software Foundation, Inc. |
| 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) |
| 21 | #:use-module (ice-9 rdelim) |
| 22 | #:use-module (benchmark-suite lib)) |
| 23 | |
| 24 | (define %latin1-port |
| 25 | (with-fluids ((%default-port-encoding #f)) |
| 26 | (open-input-string "hello, world"))) |
| 27 | |
| 28 | (define %utf8/ascii-port |
| 29 | (with-fluids ((%default-port-encoding "UTF-8")) |
| 30 | (open-input-string "hello, world"))) |
| 31 | |
| 32 | (define %utf8/wide-port |
| 33 | (with-fluids ((%default-port-encoding "UTF-8")) |
| 34 | (open-input-string "안녕하세요"))) |
| 35 | |
| 36 | \f |
| 37 | (with-benchmark-prefix "peek-char" |
| 38 | |
| 39 | (benchmark "latin-1 port" 700000 |
| 40 | (peek-char %latin1-port)) |
| 41 | |
| 42 | (benchmark "utf-8 port, ascii character" 700000 |
| 43 | (peek-char %utf8/ascii-port)) |
| 44 | |
| 45 | (benchmark "utf-8 port, Korean character" 700000 |
| 46 | (peek-char %utf8/wide-port))) |
| 47 | |
| 48 | (with-benchmark-prefix "read-char" |
| 49 | |
| 50 | (benchmark "latin-1 port" 10000000 |
| 51 | (read-char %latin1-port)) |
| 52 | |
| 53 | (benchmark "utf-8 port, ascii character" 10000000 |
| 54 | (read-char %utf8/ascii-port)) |
| 55 | |
| 56 | (benchmark "utf-8 port, Korean character" 10000000 |
| 57 | (read-char %utf8/wide-port))) |
| 58 | |
| 59 | (with-benchmark-prefix "char-ready?" |
| 60 | |
| 61 | (benchmark "latin-1 port" 10000000 |
| 62 | (char-ready? %latin1-port)) |
| 63 | |
| 64 | (benchmark "utf-8 port, ascii character" 10000000 |
| 65 | (char-ready? %utf8/ascii-port)) |
| 66 | |
| 67 | (benchmark "utf-8 port, Korean character" 10000000 |
| 68 | (char-ready? %utf8/wide-port))) |
| 69 | |
| 70 | \f |
| 71 | (with-benchmark-prefix "rdelim" |
| 72 | |
| 73 | (let-syntax ((sequence (lambda (s) |
| 74 | ;; Create a sequence `(begin EXPR ...)' with |
| 75 | ;; COUNT occurrences of EXPR. |
| 76 | (syntax-case s () |
| 77 | ((_ expr count) |
| 78 | (number? (syntax->datum #'count)) |
| 79 | (cons #'begin |
| 80 | (make-list |
| 81 | (syntax->datum #'count) |
| 82 | #'expr))))))) |
| 83 | (let ((str (string-concatenate |
| 84 | (make-list 1000 "one line\n")))) |
| 85 | (benchmark "read-line" 1000 |
| 86 | (let ((port (with-fluids ((%default-port-encoding "UTF-8")) |
| 87 | (open-input-string str)))) |
| 88 | (sequence (read-line port) 1000)))))) |