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da35d2eaa9
* benchmark-suite/benchmarks/ports.bm (sequence): New macro, formerly
local to the "rdelim" benchmark prefix.
(large-string): New procedure.
(%latin1-port, %utf8/ascii-port, %utf8/wide-port): Use it.
("peek-char", "char-ready?", "read-char"): Use `sequence'.
92 lines
3.1 KiB
Scheme
92 lines
3.1 KiB
Scheme
;;; ports.bm --- Port I/O. -*- mode: scheme; coding: utf-8; -*-
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;;;
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;;; Copyright (C) 2010, 2011, 2012 Free Software Foundation, Inc.
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;;;
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;;; This program is free software; you can redistribute it and/or
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;;; modify it under the terms of the GNU Lesser General Public License
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;;; as published by the Free Software Foundation; either version 3, or
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;;; (at your option) any later version.
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;;;
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;;; This program is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU Lesser General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU Lesser General Public
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;;; License along with this software; see the file COPYING.LESSER. If
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;;; not, write to the Free Software Foundation, Inc., 51 Franklin
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;;; Street, Fifth Floor, Boston, MA 02110-1301 USA
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(define-module (benchmarks ports)
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#:use-module (ice-9 rdelim)
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#:use-module (benchmark-suite lib))
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(define-syntax sequence
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(lambda (s)
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;; Create a sequence `(begin EXPR ...)' with COUNT occurrences of EXPR.
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(syntax-case s ()
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((_ expr count)
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(number? (syntax->datum #'count))
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(cons #'begin
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(make-list (syntax->datum #'count) #'expr))))))
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(define (large-string s)
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(string-concatenate (make-list (* iteration-factor 10000) s)))
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(define %latin1-port
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(with-fluids ((%default-port-encoding #f))
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(open-input-string (large-string "hello, world"))))
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(define %utf8/ascii-port
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(with-fluids ((%default-port-encoding "UTF-8"))
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(open-input-string (large-string "hello, world"))))
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(define %utf8/wide-port
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(with-fluids ((%default-port-encoding "UTF-8"))
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(open-input-string (large-string "안녕하세요"))))
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(with-benchmark-prefix "peek-char"
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(benchmark "latin-1 port" 700
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(sequence (peek-char %latin1-port) 1000))
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(benchmark "utf-8 port, ascii character" 700
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(sequence (peek-char %utf8/ascii-port) 1000))
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(benchmark "utf-8 port, Korean character" 700
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(sequence (peek-char %utf8/wide-port) 1000)))
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(with-benchmark-prefix "char-ready?"
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(benchmark "latin-1 port" 10000
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(sequence (char-ready? %latin1-port) 1000))
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(benchmark "utf-8 port, ascii character" 10000
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(sequence (char-ready? %utf8/ascii-port) 1000))
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(benchmark "utf-8 port, Korean character" 10000
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(sequence (char-ready? %utf8/wide-port) 1000)))
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;; Keep the `read-char' benchmarks last as they consume input from the
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;; ports.
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(with-benchmark-prefix "read-char"
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(benchmark "latin-1 port" 10000
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(sequence (read-char %latin1-port) 1000))
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(benchmark "utf-8 port, ascii character" 10000
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(sequence (read-char %utf8/ascii-port) 1000))
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(benchmark "utf-8 port, Korean character" 10000
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(sequence (read-char %utf8/wide-port) 1000)))
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(with-benchmark-prefix "rdelim"
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(let ((str (string-concatenate (make-list 1000 "one line\n"))))
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(benchmark "read-line" 1000
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(let ((port (with-fluids ((%default-port-encoding "UTF-8"))
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(open-input-string str))))
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(sequence (read-line port) 1000)))))
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