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Diffstat (limited to 'benchmark-suite/benchmarks/read.bm')
-rw-r--r-- | benchmark-suite/benchmarks/read.bm | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/benchmark-suite/benchmarks/read.bm b/benchmark-suite/benchmarks/read.bm new file mode 100644 index 000000000..a4ff9936f --- /dev/null +++ b/benchmark-suite/benchmarks/read.bm @@ -0,0 +1,73 @@ +;;; read.bm --- Exercise the reader. -*- Scheme -*- +;;; +;;; Copyright (C) 2008, 2010, 2012 Free Software Foundation, Inc. +;;; +;;; This program is free software; you can redistribute it and/or +;;; modify it under the terms of the GNU Lesser General Public License +;;; as published by the Free Software Foundation; either version 3, or +;;; (at your option) any later version. +;;; +;;; This program is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU Lesser General Public License for more details. +;;; +;;; You should have received a copy of the GNU Lesser General Public +;;; License along with this software; see the file COPYING.LESSER. If +;;; not, write to the Free Software Foundation, Inc., 51 Franklin +;;; Street, Fifth Floor, Boston, MA 02110-1301 USA + +(define-module (benchmarks read) + :use-module (benchmark-suite lib)) + + +(define %files-to-load + ;; Various large Scheme files. + (map %search-load-path + '("ice-9/boot-9.scm" "ice-9/common-list.scm" + "ice-9/format.scm" "ice-9/optargs.scm" + "ice-9/session.scm" "ice-9/getopt-long.scm" + "ice-9/psyntax-pp.scm"))) + +(define (load-file-with-reader file-name reader buffering) + (with-input-from-file file-name + (lambda () + (apply setvbuf (current-input-port) buffering) + (let loop ((sexp (reader))) + (if (eof-object? sexp) + #t + (loop (reader))))))) + +(define (exercise-read buffering) + (for-each (lambda (file) + (load-file-with-reader file read buffering)) + %files-to-load)) + +(define small "\"hello, world!\"") +(define large (string-append "\"" (make-string 1234 #\A) "\"")) + +(fluid-set! %default-port-encoding "UTF-8") ; for string ports + + +(with-benchmark-prefix "read" + + (benchmark "'none" 5 ;; this one is very slow + (exercise-read (list 'none))) + + (benchmark "'line" 10 + (exercise-read (list 'line))) + + (benchmark "'block 4096" 10 + (exercise-read (list 'block 4096))) + + (benchmark "'block 8192" 10 + (exercise-read (list 'block 8192))) + + (benchmark "'block 16384" 10 + (exercise-read (list 'block 16384))) + + (benchmark "small strings" 100000 + (call-with-input-string small read)) + + (benchmark "large strings" 100000 + (call-with-input-string large read))) |