This can be done now with hyper-theads. It is discussed in Ulrich Drepper&#x27;s excellent &#x27;What every programmer should know about memory&#x27; in section 6.3.4.<p><a href="http:&#x2F;&#x2F;www.akkadia.org&#x2F;drepper&#x2F;cpumemory.pdf" rel="nofollow">http:&#x2F;&#x2F;www.akkadia.org&#x2F;drepper&#x2F;cpumemory.pdf</a><p>To be clear I am not declaring &#x27;been done before, not interested&#x27; I like this blog post and if your software is cpu bound then you are almost certain memory access bound. So there is a lot of value in finding better ways to speed up access.