Add-VMGPUPartitionAdapterPercentage.psm1

function Add-VMGPUPartitionAdapterPercentage {
#requires -Module Hyper-V
[CmdletBinding()]
param(
[string]$VMName,
[string]$GPUName,
[decimal]$GPUResourceAllocationPercentage = 100
)
    
    $PartitionableGPUList = Get-WmiObject -Class "Msvm_PartitionableGpu" -ComputerName $env:COMPUTERNAME -Namespace "ROOT\virtualization\v2" 
    if ($GPUName -eq "AUTO") {
        $DevicePathName = $PartitionableGPUList.Name[0]
        Add-VMGpuPartitionAdapter -VMName $VMName
        }
    else {
        $DeviceID = ((Get-WmiObject Win32_PNPSignedDriver | where {($_.Devicename -eq "$GPUNAME")}).hardwareid).split('\')[1]
        $DevicePathName = ($PartitionableGPUList | Where-Object name -like "*$deviceid*").Name
        Add-VMGpuPartitionAdapter -VMName $VMName -InstancePath $DevicePathName
        }

    [float]$devider = [math]::round($(100 / $GPUResourceAllocationPercentage),2)

    Set-VMGpuPartitionAdapter -VMName $VMName -MinPartitionVRAM ([math]::round($(1000000000 / $devider))) -MaxPartitionVRAM ([math]::round($(1000000000 / $devider))) -OptimalPartitionVRAM ([math]::round($(1000000000 / $devider)))
    Set-VMGPUPartitionAdapter -VMName $VMName -MinPartitionEncode ([math]::round($(18446744073709551615 / $devider))) -MaxPartitionEncode ([math]::round($(18446744073709551615 / $devider))) -OptimalPartitionEncode ([math]::round($(18446744073709551615 / $devider)))
    Set-VMGpuPartitionAdapter -VMName $VMName -MinPartitionDecode ([math]::round($(1000000000 / $devider))) -MaxPartitionDecode ([math]::round($(1000000000 / $devider))) -OptimalPartitionDecode ([math]::round($(1000000000 / $devider)))
    Set-VMGpuPartitionAdapter -VMName $VMName -MinPartitionCompute ([math]::round($(1000000000 / $devider))) -MaxPartitionCompute ([math]::round($(1000000000 / $devider))) -OptimalPartitionCompute ([math]::round($(1000000000 / $devider)))

}