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

As you can see from graph 3.26 the Intel Core 2 shows hardly any jumps while reading (red line at the top of the graph). It is writing/copying where the jumps are clearly visible. Better to do a write test.