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| From | Ramine <ramine@1.1> |
| Newsgroups | comp.programming, comp.programming.threads |
| Subject | Re: About scimark2 |
| Date | Sat, 28 Jun 2014 15:34:39 -0700 |
| Organization | A noiseless patient Spider |
| Lines | 36 |
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Hello, Auto-vectorization has not been implemented yet on FreePascal and Delphi, but it has been implemented on for example GCC and Intel compilers... Thank you, Amine Moulay Ramdane. On 6/28/2014 3:30 PM, Ramine wrote: > > Hello, > > > About the scimark2 benchmark that i did on FreePascal and Delphi and GCC, > i have used the following command to compiler: > > gcc -O1 -S > > > i have used the -S flag to generate the assembler source code, > and i have looked at the assembler source code and i have noticed that > effectivly GCC do auto-vectorize the code, it uses SSE2 instructions to > vectorize the floating point calculations even with only the -O1 > optimization, this is why GCC is 2X times faster than FreePascal and > Delphi on some scimark2 benchmarks that use floating point calculations. > > > Thank you, > Amine Moulay Ramdane.
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About scimark2 Ramine <ramine@1.1> - 2014-06-28 15:30 -0700 Re: About scimark2 Ramine <ramine@1.1> - 2014-06-28 15:34 -0700
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