Re: [gentoo-user] Questions about CPU settings in kernel and USE

2014-04-19 Thread Dragostin Yanev
On Sat, Apr 19, 2014 at 12:12:46AM +0400, Andrew Savchenko wrote I'd like to recommend you this kernel gcc patch which enables -march=native support for kernel compilation: https://github.com/graysky2/kernel_gcc_patch Just select native and you will get both best performance and one

Re: [gentoo-user] Questions about CPU settings in kernel and USE

2014-04-19 Thread Volker Armin Hemmann
Am 18.04.2014 22:12, schrieb Andrew Savchenko: On Mon, 14 Apr 2014 22:11:05 -0400 Walter Dnes wrote: I'm (re)installing Gentoo on an older AMD notebook. The output from less /proc/cpuinfo includes... processor : 1 vendor_id : AuthenticAMD cpu family : 16 model

Re: [gentoo-user] Questions about CPU settings in kernel and USE

2014-04-19 Thread Dragostin Yanev
Am 18.04.2014 22:12, schrieb Andrew Savchenko: On Mon, 14 Apr 2014 22:11:05 -0400 Walter Dnes wrote: I'm (re)installing Gentoo on an older AMD notebook. The output from less /proc/cpuinfo includes... processor : 1 vendor_id : AuthenticAMD cpu family : 16 model

Re: [gentoo-user] Questions about CPU settings in kernel and USE

2014-04-18 Thread Andrew Savchenko
On Mon, 14 Apr 2014 22:11:05 -0400 Walter Dnes wrote: I'm (re)installing Gentoo on an older AMD notebook. The output from less /proc/cpuinfo includes... processor : 1 vendor_id : AuthenticAMD cpu family : 16 model : 6 model name : AMD Athlon(tm) II P320

Re: [gentoo-user] Questions about CPU settings in kernel and USE

2014-04-18 Thread Walter Dnes
On Sat, Apr 19, 2014 at 12:12:46AM +0400, Andrew Savchenko wrote I'd like to recommend you this kernel gcc patch which enables -march=native support for kernel compilation: https://github.com/graysky2/kernel_gcc_patch Just select native and you will get both best performance and one less

Re: [gentoo-user] Questions about CPU settings in kernel and USE

2014-04-15 Thread David W Noon
On 15/04/14 03:11, Walter Dnes wrote: [snip] model name : AMD Athlon(tm) II P320 Dual-Core Processor This indicates a 64-bit processor. [snip] flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext

Re: [gentoo-user] Questions about CPU settings in kernel and USE

2014-04-15 Thread Walter Dnes
Thanks for the info. On Tue, Apr 15, 2014 at 03:42:31PM +0100, David W Noon wrote If you specify -march=k8 in your CFLAGS, you should get pretty decent object code from GCC. I've used -march=native since it became available, because it's one less thing to worry about. That's why I didn't

Re: [gentoo-user] Questions about CPU settings in kernel and USE

2014-04-15 Thread David W Noon
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Tue, 15 Apr 2014 14:33:47 -0400, Walter Dnes mailto:dwn...@ntlworld.com (waltd...@waltdnes.org) wrote about Re: [gentoo-user] Questions about CPU settings in kernel and USE (in 20140415183347.ga16...@waltdnes.org): On Tue, Apr 15, 2014 at 03:42

[gentoo-user] Questions about CPU settings in kernel and USE

2014-04-14 Thread Walter Dnes
I'm (re)installing Gentoo on an older AMD notebook. The output from less /proc/cpuinfo includes... processor : 1 vendor_id : AuthenticAMD cpu family : 16 model : 6 model name : AMD Athlon(tm) II P320 Dual-Core Processor stepping: 3 microcode :