Simple analysis of 5 different GPU and CPU in parallel computing

1 number of tasks

The CPU is suitable for a small number of tasks, while the GPU is suitable for a large number of tasks.

2 task complexity

The CPU is suitable for logically complex tasks, while the GPU is suitable for handling logically relatively simple tasks (with less statement descriptions available).

3 thread support mode

Since the register group of the thread in the CPU is common, the CPU saves the contents of the thread's registers in RAM when the thread is switched, and restores the data from the RAM to the register when the thread starts up again.

Each thread in the GPU has its own set of registers, so its switching speed will be much faster.

Of course, the CPU is stronger for a single thread processing capability.

4 processor allocation principle

The CPU is generally based on the principle of time slice rotation scheduling, each thread fixedly executes a single time slice; and the GPU strategy is to quickly swap in and out when the thread is blocked.

5 data throughput

Each stream processor in the GPU is equivalent to a CPU core. A GPU typically has 16 stream processors, and each stream processor can calculate 32 numbers at a time.

Simple analysis of 5 different GPU and CPU in parallel computing

Tubular Oil Level Gauge

The tubular oil level gauge is used to judge whether the transformer is short of oil through the color in the observation window by floating the float up and down. Generally, the observation is full of red marks indicating that the transformer tank is short of oil and needs to be replenished; Patrol inspectors of glass tube type oil level gauge can directly see the amount of transformer oil through the height of the oil level line in the glass tube. When the oil level is below - 30 °, oil replenishment is required

This series of products are mainly applicable to oil immersed fully sealed transformers, which are installed on the upper part of the transformer oil tank cover to display the oil level in the oil tank. The oil level is normal when the blue mark appears in the upper window of the oil level gauge, and the oil level is above the tank cover; If the red mark appears, it means that the oil pointer is abnormal, and the oil level is below the tank cover, so it is necessary to add oil properly.


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