Re: [RFC PATCH 0/6] KVM: x86: speedups for emulator memory accesses

2014-04-21 Thread Marcelo Tosatti
On Tue, Apr 01, 2014 at 05:26:40PM +0200, Paolo Bonzini wrote: Another emulator speedup series, shaving up to 400 cycles (25%) off RMW instructions. The performance of various instructions is now relatively flat: jump 919 (down from 2300) move 1075 (down from 2700) arith 1081 (down

[RFC PATCH 0/6] KVM: x86: speedups for emulator memory accesses

2014-04-01 Thread Paolo Bonzini
Another emulator speedup series, shaving up to 400 cycles (25%) off RMW instructions. The performance of various instructions is now relatively flat: jump 919 (down from 2300) move 1075 (down from 2700) arith 1081 (down from 2600) load 1267 (down from 2800, 1400 after previous round)