performance: 0.992
device: 0.972
graphic: 0.940
semantic: 0.636
network: 0.507
other: 0.483
permissions: 0.430
debug: 0.417
boot: 0.366
PID: 0.345
vnc: 0.331
KVM: 0.303
socket: 0.129
files: 0.111

whpx is slower than tcg
Description of problem:
I find whpx much slower than tcg, which is rather odd.
Steps to reproduce:
1. Enable Hyper-V
2. run qemu with **-accel whpx,kernel-irqchip=off**
Additional information:
my cpu: intel i7 6500u
memory: 8go
my gpu: intel graphics 520 hd