Get Total Number of Cores from a computer WITHOUT HyperThreading
This is a tough one.
I need to use a command to output the exact number of cores from my servers.
My tests:
X: On a Windows server with 4 processors (sockets) and 2 cores each without HT.Y: On a Windows Server with 2 processors (sockets) and 6 cores each with HT.
GetSystemInfo only gets me the number of processors installed: 4 for X, 2 for Y.
| | X: 8 cores | Y: 12 cores |
| | 4x2 (no HT) | 2x6 (HT) |
|----------------|-------------|-------------|
| Desired output | 8 | 12 |
| GetSystemInfo | 4 | 2 |
%NUMBER_OF_PROCESSORS% is a good one, but it takes HT into account. It tells me 8 for X and 24 for Y (since it has HT, I needed it to show 12 instead).
| | X: 8 cores | Y: 12 cores |
| | 4x2 (no HT) | 2x6 (HT) |
|------------------------|-------------|-------------|
| Desired output | 8 | 12 |
| GetSystemInfo | 4 | 2 |
| %NUMBER_OF_PROCESSORS% | 8 | 24 |
"wmic cpu get NumberOfCores" gets me info for each socket. For example:
X:
>wmic cpu get NumberOfCores
NumberOfCores
2
2
2
2
Y:
>wmic cpu get NumberOfCores
NumberOfCores
6
6
Meaning
| | X: 8 cores | Y: 12 cores |
| | 4x2 (no HT) | 2x6 (HT) |
|----------------------------|-------------|-------------|
| Desired output | 8 | 12 |
| GetSystemInfo | 4 | 2 |
| %NUMBER_OF_PROCESSORS% | 8 | 24 |
| wmic cpu get NumberOfCores | 2,2,2,2 | 6,6 |
Sigh.
I wished to keep it simple, inside the CMD, but I'm thinking about starting a Powershell script to do all that math and stuff.
Any thoughts?
Answer
suggested command does not work on computer with mote than 64 logical cores
(Get-CimInstance Win32_ComputerSystem).NumberOfLogicalProcessors
provide number of logical cores (HT cores)