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Groups > comp.programming.threads > #2419
| From | aminer <aminer@toto.net> |
|---|---|
| Newsgroups | comp.programming.threads, comp.programming |
| Subject | Re: About scimark2 ... |
| Date | 2014-06-06 05:42 -0700 |
| Organization | albasani.net |
| Message-ID | <lmtcjl$h3v$1@news.albasani.net> (permalink) |
| References | <lmt7tq$7jv$2@news.albasani.net> <lmtad8$kds$5@solani.org> |
Cross-posted to 2 groups.
On 6/6/2014 2:04 PM, Melzzzzz wrote: > On Fri, 06 Jun 2014 04:22:25 -0700 > aminer <aminer@toto.net> wrote: > >> Hello, >> >> Look at the following scimark2 benchmark: >> >> http://delphihaters.blogspot.ca/2011/03/scimark2-and-delphi.html >> >> >> You will notice that Delphi is almost 2x times slower than >> than C on theis scimark2 benchmark... >> >> And you will notice that the poeple on this webpage don't seem >> to understand that the big difference of speed between Delphi >> and C comes from the fact that the C and C++ compilers uses >> "auto-vectorization" , this "auto-vectorization" allows >> the C and C++ scimark2 programs to use SIMD instructions such as SSE2, > > Have you tried on some other architecture besides x86? > > > I have benchmarked Delphi and FreePascal against GCC C++ and Microsoft C+ on scimark2, and i have found that without the GCC -Ox optimization options the auto-vectorization will not be enabled so Delphi and FreePascal and GCC C++ scored the same speed on scimark2, but when you give -O1 or -O2, GCC C++ uses auto-vectorization and it scores almost 2X times the speed of Freepascal or Delphi on scimark2 on x86. Thank you, Amine Moulay Ramdane.
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About scimark2 ... aminer <aminer@toto.net> - 2014-06-06 04:22 -0700
Re: About scimark2 ... aminer <aminer@toto.net> - 2014-06-06 04:50 -0700
Re: About scimark2 ... aminer <aminer@toto.net> - 2014-06-06 04:57 -0700
Re: About scimark2 ... Melzzzzz <mel@zzzzz.invalid> - 2014-06-06 23:04 +0200
Re: About scimark2 ... aminer <aminer@toto.net> - 2014-06-06 05:22 -0700
Re: About scimark2 ... aminer <aminer@toto.net> - 2014-06-06 05:42 -0700
Re: About scimark2 ... Melzzzzz <mel@zzzzz.com> - 2014-06-07 00:56 +0200
Re: About scimark2 ... Kaz Kylheku <kaz@kylheku.com> - 2014-06-06 23:11 +0000
Re: About scimark2 ... Melzzzzz <mel@zzzzz.invalid> - 2014-06-07 01:58 +0200
Re: About scimark2 ... aminer <aminer@toto.net> - 2014-06-06 09:08 -0700
Re: About scimark2 ... Melzzzzz <mel@zzzzz.invalid> - 2014-06-07 04:44 +0200
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