A good start to make sure there is not much caching going on, is to run very long benchmarks (hours) with very large amounts of random data (multiple times the amount of RAM; 10GB+). That way its very unlikely to hit any cached data.
A good start to make sure there is not much caching going on, is to run very long benchmarks (hours) with very large amounts of random data (multiple times the amount of RAM; 10GB+). That way its very unlikely to hit any cached data.