Allocators really were slow. I.e. it was easy to write a general-purpose allocator 10, 100, or (on SGI Irix!) 1000 times faster than what their libc did. Nowad

Allocators really were slow. I.e. it was easy to write a general-purpose allocator 10, 100, or (on SGI Irix!) 1000 times faster than what their libc did. Nowadays it takes work to get more than 10x, but hardly any to get there.