On these recommended settings: >> Recommended settings are: >> >> -O3 -m[sse3 or ssse3] -march=nocona -mfpmath=sse >>
I think we should be recommending to use the '-Wall' too. Not only do we want our products to perform at the highest level on an Intel platform, we also want SW to be solid and of high quality. Jay > > I see "Nocona" in the latest reply thread, I think it should be > "-marchocona" (I'll bet it was just Outlook trying to capitalize > things again ;-) ). > > > > Brian Wood > Intel Corporation > UMG Platform Software Group (UPSG) > [EMAIL PROTECTED] > > >>-----Original Message----- >>From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Rose, James >>Sent: Friday, October 17, 2008 8:57 AM >>To: [EMAIL PROTECTED] >>Subject: RE: [Moblin Dev] Recommended gcc flags for Intel Atom > processors >> >>Just a followup on a couple of items that were brought to my attention: >> >>Depending on the instruction set support in the version of gcc that you > are using, you can select >> -mssse3 instead of -msse3 >> >>Also, please disregard the -static setting. That was an inadvertent > copy. >> >> Recommended settings are: >> >> -O3 -m[sse3 or ssse3] -march=Nocona -mfpmath=sse >> >>James >> >>-----Original Message----- >>From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Rose, James >>Sent: Thursday, October 16, 2008 2:26 PM >>To: [EMAIL PROTECTED]; Speed, Derek >>Cc: [EMAIL PROTECTED] >>Subject: RE: [Moblin Dev] Recommended gcc flags for Intel Atom > processors >> >>There currently aren't any specific Atom optimizations in gcc, but the > following settings have been >>recommended for use on Atom by the UMG Performance Team (and verified > in some of our performance >>work): >> >> -O3 -msse3 -marchocona -mfpmath=sse -static >> >>As a reminder to the list, the Intel compiler for Atom has several > optimizations specifically for >>this new microarchitecture and is free to use for code that will be > targeted on Atom platforms. >>The Intel compiler on Linux has consistently shown significant > performance increases on Atom vs. >>GCC. >> >>Please see: >> >>Intel(r) C++ Software Development Tool Suite 1.0 for Linux* OS > Supporting Mobile Internet Devices >>http://www3.intel.com/cd/software/products/asmo-na/eng/386925.htm >> >>James >> >>-----Original Message----- >>From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of >>[EMAIL PROTECTED] >>Sent: Thursday, October 16, 2008 12:33 PM >>To: Speed, Derek >>Cc: [EMAIL PROTECTED] >>Subject: Re: [Moblin Dev] Recommended gcc flags for Intel Atom > processors >> >>This would probably be a good thing to stick on a website somewhere too >>(if it's not already there). >> >> >>> I apologize if this has been answered previously on the list, but > what >>> is the recommended set of flags to use when compiling code using gcc > for >>> optimal performance on Intel Atom processors? >>> >>> Thanks, >>> Derek, Intel Open Source Technology Center (OTC) >>> >>> _______________________________________________ >>> Moblin dev Mailing List >>> [email protected] >>> >>> To manage or unsubscribe from this mailing list visit: >>> https://lists.moblin.org/mailman/listinfo/dev or your user account on >>> http://moblin.org once logged in. >>> >>> For more information on the Moblin Developer Mailing lists visit: >>> http://moblin.org/community/mailing-lists >>> >> >>_______________________________________________ >>Moblin dev Mailing List >>[email protected] >> >>To manage or unsubscribe from this mailing list visit: >>https://lists.moblin.org/mailman/listinfo/dev or your user account on > http://moblin.org once logged >>in. >> >>For more information on the Moblin Developer Mailing lists visit: >>http://moblin.org/community/mailing-lists >> >>_______________________________________________ >>Moblin dev Mailing List >>[email protected] >> >>To manage or unsubscribe from this mailing list visit: >>https://lists.moblin.org/mailman/listinfo/dev or your user account on > http://moblin.org once logged >>in. >> >>For more information on the Moblin Developer Mailing lists visit: >>http://moblin.org/community/mailing-lists >> >>_______________________________________________ >>Moblin dev Mailing List >>[email protected] >> >>To manage or unsubscribe from this mailing list visit: >>https://lists.moblin.org/mailman/listinfo/dev or your user account on > http://moblin.org once logged >>in. >> >>For more information on the Moblin Developer Mailing lists visit: >>http://moblin.org/community/mailing-lists > > _______________________________________________ > Moblin dev Mailing List > [email protected] > > To manage or unsubscribe from this mailing list visit: > https://lists.moblin.org/mailman/listinfo/dev or your user account on > http://moblin.org once logged in. > > For more information on the Moblin Developer Mailing lists visit: > http://moblin.org/community/mailing-lists > _______________________________________________ Moblin dev Mailing List [email protected] To manage or unsubscribe from this mailing list visit: https://lists.moblin.org/mailman/listinfo/dev or your user account on http://moblin.org once logged in. 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