Public/Get-ChiaMaxParallelCount.ps1
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function Get-ChiaMaxParallelCount { [CmdletBinding()] param( [Parameter()] [ValidateRange(1,128)] [int]$ThreadCount = 2, [Parameter()] [ValidateRange(1, [int]::MaxValue)] [int]$BufferMiB = 3390 ) if (!$PSBoundParameters.ContainsKey("ThreadCount") -and !$PSBoundParameters.ContainsKey("BufferMiB")){ Write-Warning "All calculations based on plotting k32 plot size only. SSD TB suggestion rounded up to the nearest TB." } else{ Write-Warning "SSD TB suggestion rounded up to the nearest TB." } $Processor = Get-CimInstance -ClassName Win32_Processor $Threads = ($Processor | measure -Property ThreadCount -Sum).Sum $MaxParallelCountCPU = [math]::Floor($Threads / $ThreadCount) #1mb = 1048576 bytes $RAM = (Get-CimInstance -ClassName Win32_PhysicalMemory | measure -Property Capacity -Sum).Sum / 1mb $MaxParallelCountRAM = [Math]::Floor([decimal]($RAM / $BufferMiB)) $SystemDisk = Get-CimInstance -Namespace ROOT/Microsoft/Windows/Storage -ClassName MSFT_Disk -Filter "IsSystem=True" $SSDs = Get-CimInstance -Namespace root/microsoft/windows/storage -ClassName MSFT_PhysicalDisk -Filter "MediaType=4" #4 -eq SSD $SSDs = $SSDs | where UniqueId -ne $SystemDisk.UniqueId | select $One_TB = 1000000000000 $One_GB = 1000000000 $TotalSSDspace = ($SSDs | measure -Property Size -Sum).Sum $SSD_Count = ($SSDs | Measure-Object).Count if ($SSD_Count -eq 0){ Write-Warning "No non-system SSD found, therefore Current_MaxParallelPlots will be 0. (Ignore if using mutiple HDDs)" } if ($Threads -gt ($Processor.NumberOfCores * 2)){ Write-Warning "Threads may actually only be half what is reported and therefore all calculations are off." } $SSD_MAX = [math]::Floor([decimal]($TotalSSDspace / (256.6 * $One_GB))) if ($MaxParallelCountCPU -le $MaxParallelCountRAM){ $MAXCount = $MaxParallelCountCPU $BottleNeck = "CPU" } else{ $MAXCount = $MaxParallelCountRAM $BottleNeck = "RAM" } $Suggested_SSD_TB = [math]::Ceiling([decimal](256.6 * $MAXCount) / 1000) if ($SSD_MAX -le $MAXCount){ $CurrentMax = $SSD_MAX $BottleNeck = "SSD" } else{ $CurrentMax = $MAXCount } $Suggested_SSD_TB = [math]::Ceiling([decimal](256.6 * $MAXCount) / 1000) [PSCustomObject]@{ ThreadCount = $ThreadCount Buffer = $BufferMiB CPUTotalThreads = $Threads CPUCores = ($Processor | Measure -Property NumberOfCores -Sum).Sum NumberOfProcessors = ($Processor | measure).Count TotalRAM_MiB = $RAM BottleNeck = $BottleNeck Current_SSD_SPACE_TB = [math]::Round(($TotalSSDspace / $One_TB),2) Current_SSD_Count = $SSD_Count Suggested_SSD_SPACE_TB = $Suggested_SSD_TB Current_MaxParallelPlots = $CurrentMax Potential_MAXParallelPlots = $MAXCount } } |