How is the single core performance in real world beside benchmarks? AMD mentions some AI technology to improve the perf. If one runs the same software many tim

How is the single core performance in real world beside benchmarks? AMD mentions some AI technology to improve the perf. If one runs the same software many times, will the performance change? It could be good if it learns and improves the performance, but results might not be reproduce. Is it like the Pentium 4 with its long pipelines that ideally result in better performance but meant more misses? Good that AMD has something in peto to compete with Intel again.