On 05/05/2015 10:58 AM, Ingo Molnar wrote: > x86/fpu: Cost of: XSAVE insn : 104 cycles > x86/fpu: Cost of: XRSTOR insn : 80 cycles
Isn't there going to be pretty huge variability here depending on how much state you are xsave/xrstor'ing and if the init/modified optimizations are in play? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
