October 19, 20223 yr I run a W10 gaming VM on my unraid 6.9.2 server which is built as follows: AsrockRack EPYCDT-2t w/ 7571 and 128gb DDR4 2133mhz ECC Geforce 1050 Geforce 3070ti 9305-8i w/ SAS3 expander Various NVME / UD disks VM xml is below: <?xml version='1.0' encoding='UTF-8'?> <domain type='kvm'> <name>GEIST v2</name> <uuid>3b6ceeeb-ee73-fb44-2964-80e165976161</uuid> <metadata> <vmtemplate xmlns="unraid" name="Windows 10" icon="windows.png" os="windows10"/> </metadata> <memory unit='KiB'>16777216</memory> <currentMemory unit='KiB'>16777216</currentMemory> <memoryBacking> <nosharepages/> </memoryBacking> <vcpu placement='static'>24</vcpu> <cputune> <vcpupin vcpu='0' cpuset='26'/> <vcpupin vcpu='1' cpuset='58'/> <vcpupin vcpu='2' cpuset='27'/> <vcpupin vcpu='3' cpuset='59'/> <vcpupin vcpu='4' cpuset='28'/> <vcpupin vcpu='5' cpuset='60'/> <vcpupin vcpu='6' cpuset='29'/> <vcpupin vcpu='7' cpuset='61'/> <vcpupin vcpu='8' cpuset='30'/> <vcpupin vcpu='9' cpuset='62'/> <vcpupin vcpu='10' cpuset='31'/> <vcpupin vcpu='11' cpuset='63'/> <vcpupin vcpu='12' cpuset='14'/> <vcpupin vcpu='13' cpuset='46'/> <vcpupin vcpu='14' cpuset='15'/> <vcpupin vcpu='15' cpuset='47'/> <vcpupin vcpu='16' cpuset='10'/> <vcpupin vcpu='17' cpuset='42'/> <vcpupin vcpu='18' cpuset='11'/> <vcpupin vcpu='19' cpuset='43'/> <vcpupin vcpu='20' cpuset='12'/> <vcpupin vcpu='21' cpuset='44'/> <vcpupin vcpu='22' cpuset='13'/> <vcpupin vcpu='23' cpuset='45'/> <emulatorpin cpuset='1,33'/> </cputune> <resource> <partition>/machine</partition> </resource> <os> <type arch='x86_64' machine='pc-i440fx-5.1'>hvm</type> <loader readonly='yes' type='pflash'>/usr/share/qemu/ovmf-x64/OVMF_CODE-pure-efi.fd</loader> <nvram>/etc/libvirt/qemu/nvram/3b6ceeeb-ee73-fb44-2964-80e165976161_VARS-pure-efi.fd</nvram> </os> <features> <acpi/> <apic/> <hyperv> <relaxed state='on'/> <vapic state='on'/> <spinlocks state='on' retries='8191'/> <vpindex state='on'/> <synic state='on'/> <stimer state='on'/> <reset state='on'/> <vendor_id state='on' value='1234567890ab'/> <frequencies state='on'/> </hyperv> <kvm> <hidden state='on'/> </kvm> <vmport state='off'/> <ioapic driver='kvm'/> </features> <cpu mode='host-passthrough' check='none' migratable='on'> <topology sockets='1' dies='2' cores='6' threads='2'/> <cache mode='passthrough'/> <feature policy='require' name='topoext'/> <feature policy='disable' name='monitor'/> <feature policy='require' name='x2apic'/> <feature policy='require' name='hypervisor'/> <feature policy='disable' name='svm'/> </cpu> <clock offset='localtime'> <timer name='rtc' present='no' tickpolicy='catchup'/> <timer name='pit' present='no' tickpolicy='delay'/> <timer name='hpet' present='no'/> <timer name='hypervclock' present='yes'/> <timer name='tsc' present='yes' mode='native'/> </clock> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <emulator>/usr/local/sbin/qemu</emulator> <disk type='block' device='disk'> <driver name='qemu' type='raw' cache='none' discard='unmap'/> <source dev='/dev/disk/by-id/ata-Samsung_SSD_850_EVO_500GB_S3PTNF0JB57631J'/> <backingStore/> <target dev='hdc' bus='virtio'/> <boot order='1'/> <address type='pci' domain='0x0000' bus='0x03' slot='0x02' function='0x0'/> </disk> <disk type='file' device='disk'> <driver name='qemu' type='raw' cache='writeback' discard='unmap'/> <source file='/mnt/cnvme/VMS/VHD_BULK/GEIST/GEIST_Z.img'/> <target dev='hdd' bus='virtio'/> <address type='pci' domain='0x0000' bus='0x03' slot='0x01' function='0x0'/> </disk> <disk type='block' device='disk'> <driver name='qemu' type='raw' cache='none' discard='unmap'/> <source dev='/dev/nvme1n1'/> <backingStore/> <target dev='hde' bus='virtio'/> <address type='pci' domain='0x0000' bus='0x03' slot='0x04' function='0x0'/> </disk> <controller type='pci' index='0' model='pci-root'/> <controller type='pci' index='1' model='pci-bridge'> <model name='pci-bridge'/> <target chassisNr='1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> </controller> <controller type='pci' index='2' model='pci-bridge'> <model name='pci-bridge'/> <target chassisNr='2'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> </controller> <controller type='pci' index='3' model='pci-bridge'> <model name='pci-bridge'/> <target chassisNr='3'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/> </controller> <controller type='virtio-serial' index='0'> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </controller> <controller type='usb' index='0' model='ich9-ehci1'> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x7'/> </controller> <controller type='usb' index='0' model='ich9-uhci1'> <master startport='0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0' multifunction='on'/> </controller> <controller type='usb' index='0' model='ich9-uhci2'> <master startport='2'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x1'/> </controller> <controller type='usb' index='0' model='ich9-uhci3'> <master startport='4'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x2'/> </controller> <controller type='scsi' index='0' model='virtio-scsi'> <address type='pci' domain='0x0000' bus='0x00' slot='0x11' function='0x0'/> </controller> <interface type='bridge'> <mac address='52:54:00:f5:93:8b'/> <source bridge='br0'/> <model type='virtio'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </interface> <serial type='pty'> <target type='isa-serial' port='0'> <model name='isa-serial'/> </target> </serial> <console type='pty'> <target type='serial' port='0'/> </console> <channel type='unix'> <target type='virtio' name='org.qemu.guest_agent.0'/> <address type='virtio-serial' controller='0' bus='0' port='1'/> </channel> <input type='mouse' bus='ps2'/> <input type='keyboard' bus='ps2'/> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x21' slot='0x00' function='0x0'/> </source> <rom file='/mnt/cache_protected/VMS/vbios/GeForce_RTX_3070_Ti.rom'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0' multifunction='on'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x21' slot='0x00' function='0x1'/> </source> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x1'/> </hostdev> <memballoon model='none'/> </devices> <seclabel type='dynamic' model='dac' relabel='yes'/> </domain> Ive only had the 3070ti in the system for about 2 months -- prior to this I had a 1070 which performed admirably but at its limits. I have felt that the 3070ti has been BETTER, but "underwhelming" since its installation, and recently I have been suffering from stutters in game and during benchmaks...this had never happened w/ the 1070. I have all the usual XML tweaks -- MSI has been applied The 3dMark benchmarks w/ the 1070 were 5500-5800 and with the 3070ti we're 9500-10500 which is definitely improved but is not consistent. Any advice? Edited October 19, 20223 yr by therapist add 3dmark ss
October 20, 20223 yr Maybe try to create a new vm with type q35 and point to the same disks; q35 has better support for pcie devices.
October 20, 20223 yr Author 6 hours ago, ghost82 said: Maybe try to create a new vm with type q35 and point to the same disks; q35 has better support for pcie devices. The screenshot from 3dmark is actually from a Q35 version I created to test exactly that. The Q35 template was bare bones w/ nothing but device pass thrus -- same results Id be okay with the performance -- maybe I am CPU limited now? But that big drop / stutter happens (see the graph) and it is jarring Edited October 20, 20223 yr by therapist
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