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* benchmark-suite/benchmarks/hash.bm: New file. * benchmark-suite/Makefile.am (SCM_BENCHMARKS): Add it.
53 lines
1.6 KiB
Scheme
53 lines
1.6 KiB
Scheme
;;; hash.bm --- Hash functions. -*- Scheme -*-
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;;;
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;;; Copyright (C) 2015 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 write)
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#:use-module (benchmark-suite lib))
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(define %narrow-string
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(make-string 30 #\a))
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(define %wide-string
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(make-string 30 #\λ))
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(define %long-string
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(make-string 300 #\x))
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(define-syntax repeat
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(lambda (s)
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(syntax-case s ()
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((_ 1 exp)
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#'exp)
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((_ count exp)
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(with-syntax ((count (- (syntax->datum #'count) 1)))
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#'(begin
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exp
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(repeat count exp)))))))
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(with-benchmark-prefix "string-hash"
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(benchmark "narrow string" 100000
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(repeat 100 (string-hash %narrow-string)))
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(benchmark "wide string" 100000
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(repeat 100 (string-hash %wide-string)))
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(benchmark "long string" 100000
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(repeat 100 (string-hash %long-string))))
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