Methods and apparatus to dynamically insert prefetch instructions based on garbage collector analysis and layout of objects

With promulgated the dynamic inserting prefetching method and device. In a demonstration method, performance monitoring unit from processor system the one or more with a sample cache defect is connected. Based on the information of the one or more samples are connected, comprising a delay information. Is one or more prefetchings is a tendency, based on the delay information identification prefetching point.