Oh yes, I've personally used CuPy for great speed ups compared to Numpy in radar signal processing. Taking a code that took 30 seconds with NumPy down to 1 seco

Oh yes, I've personally used CuPy for great speed ups compared to Numpy in radar signal processing. Taking a code that took 30 seconds with NumPy down to 1 second with CuPy. The code basically performed a bunch of math on like 100 MB of data, so the PCIe bottleneck was not a big issue. Also CuPy was first released in 2015, this post is just a reminder for people that such things exist.