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40c2a95a72
* benchmark-suite/benchmarks/arithmetic.bm (fixnum): Fix `-' benchmark to actually use `-' operator instead of `+' operator.
67 lines
2.1 KiB
Scheme
67 lines
2.1 KiB
Scheme
;;; -*- mode: scheme; coding: utf-8; -*-
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;;; Integer arithmetic.
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;;;
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;;; Copyright 2010 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 arithmetic)
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#:use-module (benchmark-suite lib))
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(define-syntax repeat
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(lambda (s)
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;; Construct an expression of the form `(OP (OP (OP SEED)))', with a
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;; depth of COUNT.
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(syntax-case s (<>)
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((_ (op x <>) seed count) ;; binary OP
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(number? (syntax->datum #'count))
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(let loop ((count (syntax->datum #'count))
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(result #'seed))
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(if (= 0 count)
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result
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(loop (1- count)
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(with-syntax ((result result))
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#'(op x result))))))
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((_ (op <>) seed count) ;; unary OP
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(number? (syntax->datum #'count))
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(let loop ((count (syntax->datum #'count))
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(result #'seed))
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(if (= 0 count)
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result
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(loop (1- count)
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(with-syntax ((result result))
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#'(op result)))))))))
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(with-benchmark-prefix "fixnum"
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(benchmark "1+" 1e7
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(repeat (1+ <>) 2 100))
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(benchmark "1-" 1e7
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(repeat (1- <>) 2 100))
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(benchmark "+" 1e7
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(repeat (+ 2 <>) 7 100))
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(benchmark "-" 1e7
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(repeat (- 2 <>) 7 100))
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(benchmark "*" 1e7
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(repeat (* 1 <>) 1 100))
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(benchmark "/" 1e7
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(repeat (/ 2 <>) 1 100)))
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