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This "shar" file contains the documentation for the
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electronic mail distribution of the Dhrystone benchmark (C version 2.1);
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a companion "shar" file contains the source code.
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(Because of mail length restrictions for some mailers, I have
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split the distribution in two parts.)
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For versions in other languages, see the other "shar" files.
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Files containing the C version (*.h: Header File, *.c: C Modules)
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dhry.h
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dhry_1.c
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dhry_2.c
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The file RATIONALE contains the article
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"Dhrystone Benchmark: Rationale for Version 2 and Measurement Rules"
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which has been published, together with the C source code (Version 2.0),
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in SIGPLAN Notices vol. 23, no. 8 (Aug. 1988), pp. 49-62.
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This article explains all changes that have been made for Version 2,
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compared with the version of the original publication
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in Communications of the ACM vol. 27, no. 10 (Oct. 1984), pp. 1013-1030.
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It also contains "ground rules" for benchmarking with Dhrystone
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which should be followed by everyone who uses the program and publishes
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Dhrystone results.
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Compared with the Version 2.0 published in SIGPLAN Notices, Version 2.1
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contains a few corrections that have been made after Version 2.0 was
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distriobuted over the UNIX network Usenet. These small differences between
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Version 2.0 and 2.1 should not affect execution time measurements.
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For those who want to compare the exact contents of both versions,
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the file "dhry_c.dif" contains the differences between the two versions,
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as generated by a file comparison of the corresponding files with the
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UNIX utility "diff".
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The file VARIATIONS contains the article
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"Understanding Variations in Dhrystone Performance"
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which has been published in Microprocessor Report, May 1989
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(Editor: M. Slater), pp. 16-17. It describes the points that users
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should know if C Dhrystone results are compared.
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Recipients of this shar file who perform measurements are asked
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to send measurement results to the author and/or to Rick Richardson.
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Rick Richardson publishes regularly Dhrystone results on the UNIX network
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Usenet. For submissions of results to him (preferably by electronic mail,
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see address in the program header), he has provided a form which is contained
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in the file "submit.frm".
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The following files are contained in other "shar" files:
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Files containing the Ada version (*.s: Specifications, *.b: Bodies):
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d_global.s
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d_main.b
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d_pack_1.b
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d_pack_1.s
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d_pack_2.b
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d_pack_2.s
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File containing the Pascal version:
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dhry.p
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February 22, 1990
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Reinhold P. Weicker
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Siemens AG, AUT E 51
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Postfach 3220
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D-8520 Erlangen
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Germany (West)
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Phone: [xxx-49]-9131-7-20330 (8-17 Central European Time)
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UUCP: ..!mcsun!unido!estevax!weicker
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