Complete Latency Optimization

function Invoke-Bcd([string[]]$BcdArgs, [string]$Desc) { $bcd = (Join-Path $env:SystemRoot 'System32\bcdedit.exe'); $out = & $bcd @BcdArgs 2>&1; $outStr = ($out | Out-String); if ($LASTEXITCODE -eq 0) { Write-Host "[OK] $Desc"; return } if ($outStr -match 'No se pudo abrir el almac|cannot open.*boot configuration|boot configuration data store') { Write-Host "[ERR] $Desc - BCD store not accessible from this process. Apply manually from elevated PowerShell."; return } if ($outStr -match 'requested data element|elemento de datos solicitado') { Write-Host "[OK] $Desc (already in target state)"; return } Write-Host "[ERR] $Desc - exit $LASTEXITCODE - $($out -join ' | ')" }

$path = 'HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\kernel'

if (-not (Test-Path $path)) { New-Item -Path $path -Force | Out-Null }

New-ItemProperty -Path $path -Name 'DpcWatchdogProfileOffset' -PropertyType DWord -Value 10000 -Force | Out-Null; Write-Host '[OK] DpcWatchdogProfileOffset=10000'

$path = 'HKLM:\SYSTEM\CurrentControlSet\Control\PriorityControl'

if (-not (Test-Path $path)) { New-Item -Path $path -Force | Out-Null }

New-ItemProperty -Path $path -Name 'Win32PrioritySeparation' -PropertyType DWord -Value 38 -Force | Out-Null; Write-Host '[OK] Win32PrioritySeparation=38'

New-ItemProperty -Path $path -Name 'IRQ8Priority'  -PropertyType DWord -Value 1 -Force | Out-Null; Write-Host '[OK] IRQ8Priority=1'

New-ItemProperty -Path $path -Name 'IRQ16Priority' -PropertyType DWord -Value 2 -Force | Out-Null; Write-Host '[OK] IRQ16Priority=2'

Invoke-Bcd @('/set','{current}','disabledynamictick','yes') 'BCD disabledynamictick=yes'

Invoke-Bcd @('/set','{current}','useplatformclock','true') 'BCD useplatformclock=true'

$bogus='HKLM:\SYSTEM\CurrentControlSet\Control\KernelVelocity'; if (Test-Path $bogus) { Remove-Item -Path $bogus -Recurse -Force -ErrorAction SilentlyContinue; Write-Host '[OK] Cleaned up legacy KernelVelocity key' }

Write-Host 'All latency optimizations applied. Please restart Windows.'