benchmark-suite/benchmarks/bytevectors.bm

   1 ;;; -*- mode: scheme; coding: iso-8859-1; -*-
   2 ;;; R6RS Byte Vectors.
   3 ;;;
   4 ;;; Copyright 2009, 2010 Free Software Foundation, Inc.
   5 ;;;
   6 ;;; This program is free software; you can redistribute it and/or
   7 ;;; modify it under the terms of the GNU Lesser General Public License
   8 ;;; as published by the Free Software Foundation; either version 3, or
   9 ;;; (at your option) any later version.
  10 ;;;
  11 ;;; This program is distributed in the hope that it will be useful,
  12 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;;; GNU Lesser General Public License for more details.
  15 ;;;
  16 ;;; You should have received a copy of the GNU Lesser General Public
  17 ;;; License along with this software; see the file COPYING.LESSER.  If
  18 ;;; not, write to the Free Software Foundation, Inc., 51 Franklin
  19 ;;; Street, Fifth Floor, Boston, MA 02110-1301 USA
  20
  21 (define-module (benchmarks bytevector)
  22   #:use-module (rnrs bytevectors)
  23   #:use-module (srfi srfi-4)
  24   #:use-module (benchmark-suite lib))
  25
  26 (define bv (make-bytevector 16384))
  27
  28 (define %native-endianness
  29   (native-endianness))
  30
  31 (define %foreign-endianness
  32   (if (eq? (native-endianness) (endianness little))
  33       (endianness big)
  34       (endianness little)))
  35
  36 (define u8v  (make-u8vector 16384))
  37 (define u16v (make-u16vector 8192))
  38 (define u32v (make-u32vector 4196))
  39 (define u64v (make-u64vector 2048))
  40
  41 \f
  42 (with-benchmark-prefix "ref/set!"
  43
  44   (benchmark "bytevector-u8-ref" 1000000
  45     (bytevector-u8-ref bv 0))
  46
  47   (benchmark "bytevector-u16-ref (foreign)" 1000000
  48     (bytevector-u16-ref bv 0 %foreign-endianness))
  49
  50   (benchmark "bytevector-u16-ref (native)" 1000000
  51     (bytevector-u16-ref bv 0 %native-endianness))
  52
  53   (benchmark "bytevector-u16-native-ref" 1000000
  54     (bytevector-u16-native-ref bv 0))
  55
  56   (benchmark "bytevector-u32-ref (foreign)" 1000000
  57     (bytevector-u32-ref bv 0 %foreign-endianness))
  58
  59   (benchmark "bytevector-u32-ref (native)" 1000000
  60     (bytevector-u32-ref bv 0 %native-endianness))
  61
  62   (benchmark "bytevector-u32-native-ref" 1000000
  63     (bytevector-u32-native-ref bv 0))
  64
  65   (benchmark "bytevector-u64-ref (foreign)" 1000000
  66     (bytevector-u64-ref bv 0 %foreign-endianness))
  67
  68   (benchmark "bytevector-u64-ref (native)" 1000000
  69     (bytevector-u64-ref bv 0 %native-endianness))
  70
  71   (benchmark "bytevector-u64-native-ref" 1000000
  72     (bytevector-u16-native-ref bv 0)))
  73
  74 \f
  75 (with-benchmark-prefix "lists"
  76
  77   (benchmark "bytevector->u8-list" 2000
  78     (bytevector->u8-list bv))
  79
  80   (benchmark "bytevector->uint-list 16-bit" 2000
  81     (bytevector->uint-list bv (native-endianness) 2))
  82
  83   (benchmark "bytevector->uint-list 64-bit" 2000
  84     (bytevector->uint-list bv (native-endianness) 8)))
  85
  86 \f
  87 (with-benchmark-prefix "SRFI-4" ;; for comparison
  88
  89   (benchmark "u8vector-ref" 1000000
  90     (u8vector-ref u8v 0))
  91
  92   (benchmark "u16vector-ref" 1000000
  93     (u16vector-ref u16v 0))
  94
  95   (benchmark "u32vector-ref" 1000000
  96     (u32vector-ref u32v 0))
  97
  98   (benchmark "u64vector-ref" 1000000
  99     (u64vector-ref u64v 0)))