does not mention benchmarks. Go is unacceptably slow when it comes to math. with complete absence of SIMD CPU instructions (aka "do it yourself in assembly") an

does not mention benchmarks. Go is unacceptably slow when it comes to math. with complete absence of SIMD CPU instructions (aka "do it yourself in assembly") and GPU/CUDA, Go is orders of magnitude slower than what you would get in C/C++/Rust or even Python or Java (that are calling C/C++)