--- # the profile tries to find the card with displays attached to apply these settings. # configuration of many GPUs not yet supported, one is assumed gpu_clock_min: "500" gpu_clock_max: "2715" gpumem_clock_static: "1075" gpu_power_multi_def: 0.869969040247678 # 281W - real default gpu_power_multi_oc: 1.0 # full board power capability # other multipliers for 323W boards like mine: # 300W: 0.928792569659443 # 310: 0.959752321981424 # sample worksheet in 'power_max multi tab calculator.ods' gpu_mv_offset: "+75" # add 75mV or 0.075V # gpu_mv_offset: "+150" # add 150mV or 0.15V # gpu_mv_offset: "+133" # add 133mV or 0.133V # gpu_mv_offset: "+75" # add 75mV or 0.075V # gpu_mv_offset: "+125" # add 125mV or 0.125V # '-50' undervolts GPU core voltage 50mV or 0.05V; untested - here be dragons/instability # 'tuned' plugins - used to set the kernel cmdline via bootloader... and sysctl tunables plugins: # ref: https://github.com/redhat-performance/tuned/tree/master/tuned/plugins bootloader: # 'cmdline' allows entries w/ a suffix, names should be unique across *all* profiles. values accept +/- operators cmdline_amdgpu_general: "delayacct nowatchdog kvm.ignore_msrs=1 kvm_amd.npt=1 amdgpu.ppfeaturemask=0xfff7ffff" cmdline_amdgpu_hugepages: "default_hugepagesz=1G hugepagesz=1G hugepages=16" cmdline_amdgpu_iommu: "amd_iommu=on iommu=pt" cmdline_amdgpu_devs: "nvme_core.default_ps_max_latency_us=0 pci=realloc=off" sysctl: # quote ints/cast to string to avoid surprises kernel.dmesg_restrict: '0' # allow regular users to see the kernel ring buffer # net.core.default_qdisc: fq # congestion control # net.ipv4.tcp_congestion_control: bbr2 # cong. control part 2 # net.core.rmem_max: '33554432' # net.core.wmem_max: '33554432' dev.raid.speed_limit_min: '65000000' dev.raid.speed_limit_max: '99999999' vm.compaction_proactiveness: '30' # improve THP allocation latency, compact in background vm.page_lock_unfairness: '1' # make page lock theft slightly more fair vm.max_map_count: '1048576' # allow some games to run (eg: DayZ)