Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.programming > #4631
| Path | csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!newsfeed.datemas.de!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail |
|---|---|
| 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 |
| Message-ID | <lonft9$5v3$1@dont-email.me> (permalink) |
| References | <lonfks$495$1@dont-email.me> |
| Mime-Version | 1.0 |
| Content-Type | text/plain; charset=ISO-8859-1; format=flowed |
| Content-Transfer-Encoding | 7bit |
| Injection-Date | Sat, 28 Jun 2014 22:34:18 +0000 (UTC) |
| Injection-Info | mx05.eternal-september.org; posting-host="518d70aeead21e0a1a15f1c91bb07e09"; logging-data="6115"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19yfQCYbxGiF9ALoATVvO0d" |
| User-Agent | Mozilla/5.0 (Windows NT 6.0; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
| In-Reply-To | <lonfks$495$1@dont-email.me> |
| Cancel-Lock | sha1:JyHOqdWKet2C+wC7CiVzzSlIBc0= |
| Xref | csiph.com comp.programming:4631 comp.programming.threads:2528 |
Cross-posted to 2 groups.
Show key headers only | View raw
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.
Back to comp.programming | Previous | Next — Previous in thread | Find similar | Unroll thread
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
csiph-web