“I don’t know, but it works on my machine!!” Ever said that? Ever heard that? Ever wondered why it happens?
The Intel® Xeon Phi™ processor, code named Knights Landing, is part of the second generation of Intel Xeon Phi products. Knights Landing supports Intel® AVX-512 instructions, specifically AVX-512F (foundation), AVX-512CD (conflict detection), AVX-512ER (exponential and reciprocal) and AVX-512PF (prefetch).
Yes, you've guessed correctly - the answer is "42".