Witcher 3 Next Gen Update PC - 2023-02-04 20:21 Gameplay
1OS:
Host: Manjaro(Kernel 6.1), dm-crypt, zfs, kvm, libvirt, qemu
Guest: Windows 11 Professional on q35-7.0
Host Specs:
MSI X470 Gaming Pro
Ryzen 5800X, 8x core, 16 threads(only 1 dedicated core(2 threads) is accessible for Host)
32GB DDR4 3200MHz CL 22 ECC, 2x KSM32ED8/16HD
AMD Sapphire RX580 8GB
Some lowend nVidia for host graphics
3x Samsung SATA SSD 500GB
1x Samsung SATA SSD 2TB
4x WD HDD 2TB
Guest Specs:
Host-passthrough libvirt setting with 7x dedicated core(14 threads)
24GB RAM allocated via hugepages
120GB 3-way mirror on SSD
1,7 TB mirror on HDD with SSD boost(3x 120GB ZFS L2ARC cache)
3,4 TB stripped HDD with SSD boost(3x 120GB ZFS L2ARC cache)
1,7 TB SSD
AMD Sapphire RX580 8GB via pci-passthrough, vfio-pci
Recorded/Streamed via obs-studio
Kernel parameters:
amd_iommu=on iommu=pt kvm_amd.npt=1 kvm_amd.nested=0 kvm_amd.avic=1 kvm.ignore_msrs=1 default_hugepagesz=1G hugepagesz=1G hugepages=24 isolcpus=1-7,9-15 irqaffinity=0,8 nohz_full=1-7,9-15 rcu_nocbs=1-7,9-15 rcu_nocb_poll elevator=deadline pcie_aspm=off video=vesafb:off,efifb:off
Sysctl parameters:
vm.swappiness = 0
vm.min_free_kbytes = 262144
vm.dirty_ratio = 3
vm.dirty_background_ratio = 1
ZFS parameters:
zfs_arc_min=268435456
zfs_txg_timeout=1
zfs_vdev_trim_max_active=1
zfs_arc_max=3221225472
zfs_dirty_data_max_percent=3
Libvirt xml: https://pastebin.com/qB1Rjuvc
Libvirt startup script: https://pastebin.com/mrzvrAqA
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