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#ActualRadikalizm

Posted 23 November 2012 - 08:48 AM

The CPU is indeed the Central Processing Unit, commonly referred to as 'the processor' of your computer. The GPU is the Graphics Processing Unit, which is a processor chip found on your graphics card.

The CPU is designed for general purpose usage and depending on its architecture it can provide security features (like protection rings in the x86 architecture), different operating modes and a whole bunch of possible extensions.

The GPU was originally designed solely for doing graphics-related jobs and can process a huge amount of floating point operations in comparison to your standard CPU. I don't know where you got your information about available operations on GPUs, but they can definitely do multiplication (would be quite terrible if they weren't able to do something this trivial).

These days the GPU is used more and more for general purpose tasks which involve heavy number crunching, but generally speaking a GPU's ISA (Instruction Set Architecture) is much more limited than your common CPU's ISA.

#1Radikalizm

Posted 23 November 2012 - 08:47 AM

The CPU is indeed the Central Processing Unit, commonly referred to as 'the processor' of your computer. The GPU is the Graphics Processing Unit, which is a processor chip found on your graphics card.

The CPU is designed for general purpose usage and depending on its architecture it can provide security features (like protection rings in the x86 architecture), different operating modes and a whole bunch of possible extensions.

The GPU was originally designed solely for doing graphics-related jobs and can process a huge amount of floating point operations in comparison to your standard CPU. I don't know where you got your information about available operations on GPUs, but they can definitely do multiplication (would be quite terrible if they weren't able to do something this trivial).

These days the GPU is used more and more for general purpose tasks which involve heavy number crunching, but generally speaking a GPUs ISA (Instruction Set Architecture) is much more limited than your common CPU's ISA.

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