On 8 Feb 2016, at 3:31am, Roger Binns <rogerb at rogerbinns.com> wrote:
> Taking a step back, the reasons why it had no measureable effect are > simple. The processors are getting better at branch prediction, > better at mitigating mispredicted branches, getting even faster > compared to memory. The compilers are getting better all the time too > at the same kind of things. This is the other argument against optimization (of a certain kind). Computers are far better at optimization than humans are, and they always do it. No need for you to do it too. Simon.

