How to produce the cpu cache effect in C and java?

Question

In Ulrich Drepper\'s paper What every programmer should know about memory, the 3rd part: CPU Caches, he shows a graph that shows the relationship between \"working set\" size an

Answer 1

I can't say for certain about 1 and 2, but it would be more challenging to successfully run such a test in Java. In particular, I might be concerned that managed language features like automatic garbage collection might happen during the middle of your testing and throw off your results.