Set affinity of target process (Escape of Tarkov)

set_process_affinity.ps1

# Path to Launcher
$ExecuteTarget = "C:\Games\Battlestate Games\BsgLauncher\BsgLauncher.exe"
# Target process to set affinity
$TargetProcess = "EscapeFromTarkov"

# Get Number of cpu's physical core
$PhysicalCores = 0
(Get-WmiObject Win32_Processor).NumberOfCores | %{ $PhysicalCores += $_ }

# Start launcher
Write-Host "Starting up : " $ExecuteTarget
Start-Process -FilePath $ExecuteTarget

# Wait for starting up process
Write-Host "Wait for starting : " $TargetProcess
$Awake = $false 
while($Awake -ne $false) {
    try {
        Get-Process -Name $TargetProcess -ErrorAction Stop
    } catch {
        if ($_.exception -is [Microsoft.PowerShell.Commands.ProcessCommandException]) {
            Start-Sleep -Seconds 5
            continue
        } else {
            throw $_.exception
        }
    }
    $Awake = $true
}
Write-Host "Started."

# Calculate affinity from number of physical core(s)
$TargetAffinity = 0
for ($i = ($PhysicalCores - 1); $i -ge 0; $i--) {
    $TargetAffinity = $TargetAffinity -bor (1 -shl ($i * 2))
}
Write-Host "Target affinity is " $TargetAffinity

# Set process affinity and priority (loop)
while($true) {
    Start-Sleep -Seconds 60
    try {
        $Process = Get-Process -Name $TargetProcess
        $Process.ProcessorAffinity = $TargetAffinity
        $Process.PriorityClass = [System.Diagnostics.ProcessPriorityClass]::AboveNormal
        Write-Host $Process.Name " : Affinity " $Process.ProcessorAffinity
    } catch {
        break
    }
}