During 2020, governments around the world have provided unprecedented levels of fiscal stimulus. Put simply, much of thi

Author : xandr
Publish Date : 2021-01-07 19:00:45


However because we are able to put so many transistors on a silicon die today, companies such as Intel and AMD began putting multiple microprocessors onto one chip. Today we refer to these chips as CPU cores. One core is basically a full independent chip that can read instructions from memory and perform calculations.

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bert Suryadi is a proven leader in enabling advanced analytics and data science capability in blue chip organisations. He is recognised as the leader of the Analytics CoP (Community of Practice) that empowers and motivate others beyond the status quo.

Separate areas of this memory got reserved for the CPU and GPU. If the CPU had a chunk of data it wanted the GPU to use, it couldn’t say “here have some of my memory.” No, the CPU had to explicitly copy the whole chunk of data over the memory area controlled by the GPU.

For a long time cheap computer systems have had the CPU and GPU integrated into the same chip (same silicon die). These have been famously slow. In the past saying “integrated graphics” was essentially the same as saying “slow graphics.”

What Apple has done is simply to take a more radical shift toward this direction. Rather than just having general-purpose cores and memory, the M1 contains a wide variety of specialized chips:

Even after a 30% annualized Q2 growth in GDP, and trillions of dollars in monetary and fiscal stimulus, the U.S economy is roughly in the same position it was during the darkest days of the financial crisis.

The concept of registers is old. For example, on this old mechanical calculator, the register is what holds the numbers you are adding. Likely the origin of the term cash register. The register is where you registered input numbers.

Today if you buy a chip — whether from Intel or AMD — you actually get what amounts to multiple microprocessors in one package. In the past computers would have multiple physically separate chips on the motherboard of the computer.

This is part of the reason why a lot of people working on images and video editing with the M1 Macs are seeing such speed improvements. A lot of the tasks they do can run directly on specialized hardware. That is what allows a cheap M1 Mac Mini to encode a large video file without breaking a sweat while an expensive iMac has all its fans going full blast and still cannot keep up.

Basically, the M1 is one whole computer onto a chip. The M1 contains a CPU, graphical processing unit (GPU), memory, input and output controllers, and many more things making up a whole computer. This is what we call a system on a chip (SoC).

Instead of adding ever more general-purpose CPU cores, Apple has followed another strategy: They have started adding ever more specialized chips doing a few specialized tasks. The benefit of this is that specialized chips tend to be able to perform their tasks significantly faster using much less electric current than a general-purpose CPU core.

Example of a computer motherboard. Memory, CPU, graphics cards, IO controllers, network cards, and many other components can be attached to the motherboard to communicate with each other.

This is not entirely new knowledge. For many years already specialized chips such as the graphical processing units (GPUs) have been sitting in Nvidia and AMD graphics cards performing operations related to graphics much faster than general-purpose CPUs.

This has for a long time been the name of the game in terms of increasing performance: Just add more general-purpose CPU cores. But there is a disturbance in the force. There is one player in the CPU market which is deviating from this trend.

An old mechanical calculator with two registers: the accumulator and input register. Modern CPUs typically have more than a dozen registers, and they are electronic rather than mechanical.



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