Daniel Hackenberg

39 papers 188 citations h-index 6 2006–2026

Energy-aware operation of HPC systems in Germany

High-Performance Computing (HPC) systems are among the most energy-intensive scientific facilities, with electric power consumption reaching and often exceeding 20 megawatts per installation....

16 Years of SPEC Power: An Analysis of x86 Energy Efficiency Trends

The SPEC Power benchmark offers valuable insights into the energy efficiency of server systems, allowing comparisons across various hardware and software configurations. Benchmark results are...

Memory Performance of AMD EPYC Rome and Intel Cascade Lake SP Server Processors

Modern processors, in particular within the server segment, integrate more cores with each generation. This increases their complexity in general, and that of the memory hierarchy in particular....

Energy Efficiency Aspects of the AMD Zen 2 Architecture

In High Performance Computing, systems are evaluated based on their computational throughput. However, performance in contemporary server processors is primarily limited by power and thermal...

42 citations 2021-08 CLUSTER

Energy Efficiency Features of the Intel Skylake-SP Processor and Their Impact on Performance

The overwhelming majority of High Performance Computing (HPC) systems and server infrastructure uses Intel x86 processors. This makes an architectural analysis of these processors relevant for a...

61 citations 2019-05 HPCS

FIRESTARTER 2: Dynamic Code Generation for Processor Stress Tests

Processor stress tests target to maximize processor power consumption by executing highly demanding workloads. They are typically used to test the cooling and electrical infrastructure of compute...

4 citations 2021-08 CLUSTER

The Shift from Processor Power Consumption to Performance Variations: Fundamental Implications at Scale

The Intel Haswell-EP processor generation introduces several major advancements of power control and energy-efficiency features. For computationally intense applications using advanced vector...