Traditional Culture Encyclopedia - Traditional culture - Why can the processing speed of CPU be faster and faster?
Why can the processing speed of CPU be faster and faster?
There are only two kinds of CPU performance. One is frequency. One is the number of transistors. It is difficult to increase the frequency now. So we can only find a way from the number of transistors. When the number of transistors reaches a certain level, the power consumption will inevitably reach a certain level. Therefore, in order to control power consumption and ensure the number of transistors, the manufacturing process is improved. The more advanced the process, the more transistors can be integrated under a certain power consumption, and the higher the yield.
Extended data
The current processor speed is really fast, but reading data from memory is really too slow. There are many reasons. The two main reasons are either that there is not enough memory or that the memory is too far away from the CPU, and the CPU has to wait for a long time. Therefore, in order to give full play to the speed of CPU, shorter delay and faster memory are needed.
Related contents of CPU processing speed:
1, main frequency. Generally speaking, the higher the main frequency, the faster the CPU speed and the higher the whole machine. However, AMD now adopts a more vague naming method, trying to make consumers downplay the concept of computing performance at the main frequency. For example, the frequency of Athlon 3000+ may be 2.20GHz or 2.0GHz.
2.FSB front-end bus is the external clock frequency of CPU, which is provided by computer motherboard. The higher the external frequency speed, the more data the CPU can receive from peripheral devices at the same time, thus further improving the speed of the whole system.
3. Internal cache is a high-speed cache encapsulated in CPU chip, which is used to temporarily store some instructions and data during CPU operation. The access speed is consistent with the main frequency of CPU, and the capacity unit of L 1 cache is generally KB. The larger the L 1 cache, the fewer times the CPU exchanges data with L2 cache and memory with slow access speed, which can improve the running speed compared with computers.
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