Without such advice, that article is dangerous. A "lot of programmers" are going to read that and assume these patterns differ between them only in terms of "pe

Without such advice, that article is dangerous. A "lot of programmers" are going to read that and assume these patterns differ between them only in terms of "performance" which equates to "ns/op". Also, I wouldn't use an array to iterate over a terabyte of double-precision height map -- have you tried that? I have, kind of. In a genome sequence visualization application. Try it sometime. It's fun.