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 Dual-Core Processor > stepping : 3 > microcode : 0x10000b6 > cpu MHz : 2100.000 > cache size : 512 KB > physical id : 0 > siblings : 2 > core id : 1 > cpu cores : 2 > apicid : 1 > initial apicid : 1 > fpu : yes > fpu_exception : yes > cpuid level : 5 > wp : yes > 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 fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc > rep_good nopl nonstop_tsc extd_apicid pni monitor cx16 popcnt > lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a 3dnowprefetch > osvw ibs skinit wdt nodeid_msr hw_pstate npt lbrv svm_lock > nrip_save bogomips : 4189.59 TLB size : 1024 4K > pages > > Now for the questions > > * In "make menuconfig", I'm not sure which of 2 CPU options to > select in Processor type and features ---> > Processor family (*****************) ---> > > ( ) Athlon/Duron/K7 > ( ) Opteron/Athlon64/Hammer/K8
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 headache. Best regards, Andrew Savchenko
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