Hi all, I hope this isn't an off topic question, but are the packages for Moblin2.0 all going to be compiled with gcc or with the Intel Software Development Tool Suite for Linux? I saw this big push to use our compiler for MIDs SW due to efficiency gains for Atom processors and was just curious.
Thanks, 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 -march=nocona -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
