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Memory bandwidth

The amount of information stored in the memory per unit time
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Memory bandwidth refers to the amount of information accessed by the memory in unit time, also known as the number of bits or bytes read/written by the memory in unit time.
Chinese name
Memory bandwidth
Foreign name
memory bandwidth

weather phenomenon

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Memory bandwidth, reflecting technical indicators of data transmission rate (unit: bps, bit per second, bit/s, or Bytes/s, byte/s)
The bandwidth of the memory determines the transmission speed of the information obtained by the memory centric machine, which is a key factor to improve the bottleneck of the machine.

Improvement measures

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In order to improve the memory bandwidth, the following measures can be taken:
1. Shorten Access cycle
2. Increase Storage word length , make each Access cycle Read/write more binary digits;
3. Increase storage.

computing method

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We usually use bandwidth
Indicates that if the storage cycle is
, each read/write
Bytes, then its bandwidth
as Access cycle 500ns, each access cycle can access 16 bits, so its bandwidth is 32M bits/s