Didn't finish the job, realised code was optimised out by O3 and left it at that. Unoptimised strncmp was beating unoptimised memcmp, it was taking 1.900s to

Didn't finish the job, realised code was optimised out by O3 and left it at that. Unoptimised strncmp was beating unoptimised memcmp, it was taking 1.900s to finish where memcmp was taking 2.178s over many iterations.