ggml

3e551c0b - gpt-2 : use ggml-alloc (#486)

gpt-2 : use ggml-alloc (#486) * gpt-2 : use ggml-alloc * move function comment to gpt2_eval * gpt-2 : clarifying comment --------- Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>