Why the DLL of CUFFT (cufft64_10.dll) is so large(353MB)?

Accelerated Computing GPU-Accelerated Libraries
1

As the title, I want to know why the DLL of CUFFT (cufft64_10.dll) is so large(about 353MB) ,and whether have a way to make it smaller.

2

The bulk of the size is from optimized kernels.