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How to find the number of CPU Cores used by the current process in Golang?

Learn, how to find the number of CPU cores using used by the current process.
Submitted by IncludeHelp, on October 19, 2021

In the Go programming language – to find the number of CPU cores, we use the NumCPU() function of the "runtime" package.

The NumCPU() function returns the number of logical CPUs usable by the current process.

Syntax:

func NumCPU() int

Program:

// Go language program to find the
// number of CPU Cores

package main

import (
	"fmt"
	"runtime"
)

// Main function
func main() {

	// Get number of processors
	// using the NumCPU() function
	fmt.Println("The number of CPU Cores:", runtime.NumCPU())
}

Output:

The number of CPU Cores: 8

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