From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD, FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,2c57913d6b8220c1 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!postnews.google.com!k19g2000yqc.googlegroups.com!not-for-mail From: Mark Lorenzen Newsgroups: comp.lang.ada Subject: Re: Tasking for Mandelbrot program Date: Tue, 13 Oct 2009 02:11:22 -0700 (PDT) Organization: http://groups.google.com Message-ID: <13d4e273-d473-4e9e-9029-61910e969108@k19g2000yqc.googlegroups.com> References: <4abebaf4$0$31342$9b4e6d93@newsspool4.arcor-online.net> <4abfd8df$0$31337$9b4e6d93@newsspool4.arcor-online.net> <59856ad8-2434-4370-a1df-875b46b3b7bc@o41g2000yqb.googlegroups.com> <4ad36024$0$7626$9b4e6d93@newsspool1.arcor-online.net> NNTP-Posting-Host: 193.163.1.105 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1255425082 28344 127.0.0.1 (13 Oct 2009 09:11:22 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 13 Oct 2009 09:11:22 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: k19g2000yqc.googlegroups.com; posting-host=193.163.1.105; posting-account=Srm5lQoAAAAEMX9rv2ilEKR6FDPapmSq User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; da; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3,gzip(gfe),gzip(gfe) Xref: g2news2.google.com comp.lang.ada:8692 Date: 2009-10-13T02:11:22-07:00 List-Id: On 12 Okt., 18:58, Georg Bauhaus wrote: > Lo and behold! =A0An Ada program is at #1 in two lists > at the Shootout site. =A0Look for mandelbrot, the 64 > bit rankings. =A0Enjoy the moment while it lasts. :-) Great! Please note that the "bit-wise or" operation in the following line has no effect: Byte_Acc :=3D Shift_Left (Byte_Acc, 1) or 16#00# When shifting left, you are guaranteed that zeroes are shifted in. I have no idea if this extremely small optimization actually has any impact on the performance though... - Mark L