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SIMD for decimal data type #1010

@liukun4515

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@liukun4515

Is your feature request related to a problem or challenge? Please describe what you are trying to do.

From this datafusion issue, we will add the decimal data type
in the datafusion.
But some basic operations like +,- we implemented do not support SIMD.

In order to speed up the calculation, we need to add the SIMD feature for the decimal data type.

I have not figured out how to implement it.

Describe the solution you'd like
TODO

Describe alternatives you've considered
TODO

Additional context
TODO

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