Many compilers do inline, it's one of the most common optimisations. Tracing JIT compilers in particular, by nature of tracing, can easily and do inline in the

Many compilers do inline, it's one of the most common optimisations. Tracing JIT compilers in particular, by nature of tracing, can easily and do inline in the hot path, even across module boundaries. As to multidimensional arrays, could you please point me towards a description of the optimisations they enable?