id = 1820 title = "whpx is slower than tcg" state = "closed" created_at = "2023-08-08T13:09:32.043Z" closed_at = "2023-09-30T19:01:20.970Z" labels = ["accel: WHPX", "hostos: Windows"] url = "https://gitlab.com/qemu-project/qemu/-/issues/1820" host-os = "Windows 10" host-arch = "x86_64 (64 bit)" qemu-version = "8.0.3" guest-os = "Windows Xp" guest-arch = "i686 (32bit)" description = """I find whpx much slower than tcg, which is rather odd.""" reproduce = """1. Enable Hyper-V 2. run qemu with **-accel whpx,kernel-irqchip=off**""" additional = """my cpu: intel i7 6500u memory: 8go my gpu: intel graphics 520 hd"""