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From: karl@grebyn.com (Karl Nyberg)
Newsgroups: comp.lang.ada
Subject: Dhrystone 2.1 : README_A File
Message-ID: <8907132141.AA06114@grebyn.com>
Date: 13 Jul 89 21:41:52 GMT
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List-Id: <comp.lang.ada>

This "shar" file contains the source code of the Dhrystone benchmark
(version 2.1) in Ada, together with some files with general remarks.
For versions in other languages, see the other "shar" files.

Files containing the Ada version (*.s: Specifications, *.b: Bodies):

  d_global.s
  d_main.b
  d_pack_1.b
  d_pack_1.s
  d_pack_2.b
  d_pack_2.s

The only difference to the version published in Ada Letters (July/August 1989)
is that I have added the comment that the pragma "pack (String_30)" is
optional.

The file RATIONALE contains the article 

  "Dhrystone Benchmark: Rationale for Version 2 and Measurement Rules"

which is similar to the article published in SIGPLAN Notices vol. 23, no. 8
(Aug. 1988), pp. 49-62, but modified for the Ada version.
This article explains all changes that have been made for Version 2,
compared with the version of the original publication
in Communications of the ACM vol. 27, no. 10 (Oct. 1984), pp. 1013-1030.
It also contains "ground rules" for benchmarking with Dhrystone
which should be followed by everyone who uses the program and publishes
Dhrystone results.

Compared with the Version 2.0 published in SIGPLAN Notices, Version 2.1
contains a few corrections that have been made after Version 2.0 was
distributed over the UNIX network Usenet. These small differences between
Version 2.0 and 2.1 should not affect execution time measurements.
For those who want to compare the exact contents of both versions,
the file "dhry_c.dif" contains the differences between the two versions,
as generated by a file comparison of the corresponding (C version)
files with the UNIX utility "diff".

Recipients of this shar file who perform measurements are asked
to send measurement results to the author and/or to Rick Richardson.
Rick Richardson publishes regularly Dhrystone results on the UNIX network
Usenet. For submissions of results to him (preferably by electronic mail,
see address in the program header), he has provided a form which is contained
in the file "submit.frm".


The following files are contained in other "shar" files:

Files containing the C version (*.h: Header File, *.c: C Modules)

  dhry.h
  dhry_1.c
  dhry_2.c
  
File containing the Pascal version:

  dhry.p


July 11, 1989

                 Reinhold P. Weicker
                 Siemens AG, E STE 35
                 Postfach 3220
                 D-8520 Erlangen
                 Germany (West)

                 Phone:  [xxx-49]-9131-7-20330  (8-17 Central European Time)
                 UUCP:   ..!mcvax!unido!estevax!weicker