Isn’t llama2.c was just a fun project for Karpathy? When I compared llama2.c to llama.cpp it was way way slower. All the mojo <insert number>x speed up claims

Isn’t llama2.c was just a fun project for Karpathy? When I compared llama2.c to llama.cpp it was way way slower. All the mojo <insert number>x speed up claims I’m hearing about always use the baseline of some toy examples that nobody actually uses IRL. Am I missing anything?