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What is the os.cpu_count() method in Python?

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Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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os module

The os module in Python provides functions that help us interact with the underlying operating system.

The cpu_count() method

The cpu_count() method returns the number of CPUs in the system. This number is not the same as the number of CPUs available in the current process.

Syntax

os.cpu_count()

Parameter values

The cpu_count() method does not take any parameter values.

Return value

This method returns the number of CPUs in the system.

Code example

import os
print("Current number of cpus:", os.cpu_count())

Code explanation

  • Line 1: We import the os module.
  • Line 3: We use the cpu_count() method to obtain the the number of CPUs in the system.

RELATED TAGS

python
os
communitycreator
method

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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