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To determine if your computer is effectively utilizing all CPU cores, you can use several methods depending on your operating system:

Windows:

1> Task Manager:

• Right-click on the taskbar and select “Task Manager” or press Ctrl * Shift * Esc
• * Go to the “Performance” tab
• * Under “CPU,” you should see a graph showing usage for each core. If all cores are active, you’ll see activity across multiple graphs (one per core)
• 2> Resource Monitor:
• * Open “Resource Monitor” by searching for it in the Start menu
• * Navigate to the “CPU” tab
• * Look at the “CPU Usage” section to see how much of each core is being utilized.
• macOS:
• 1> Activity Monitor:
• * Open “Activity Monitor” (usually found in Applications > Utilities)
• * Click on the “CPU” tab
• * You’ll see a graph displaying CPU usage. Each core is represented separately. If all cores are in use, you’ll see activity across multiple cores.
• Linux (using command-line tools):
• 1> htop:
• * Install htop if it’s not already installed (sudo apt install htop on Debian-based systems).
• * Launch htop from the terminal.
• * You’ll see a detailed view of CPU usage, including individual core usage.
• 2> top:
• * Run top in the terminal.
• * Press 1 (the number one) to display individual CPU core usage.
• Checking in all cases:
• * Activity Indicators: Most monitoring tools will show real-time activity for each core. If you see spikes or sustained usage across multiple cores, it indicates that your system is utilizing all available CPU cores.
• * CPU Load: A high overall CPU load (close to 100% across all cores) during intensive tasks like rendering, compiling, or running multiple applications simultaneously suggests that all cores are actively used.

By using these methods, you can effectively determine if your computer is utilizing all CPU cores and monitor how they are being utilized. This information is particularly useful for ensuring that your system is performing optimally under heavy computational loads.

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