However, LINPACK's numbers, while impressive, are not fully representative of real-world performance. A more challenging and realistic benchmark is the High-Performance Conjugate-Gradient (HPCG) test, which evaluates the ability to solve sparse linear systems and is therefore representative of a different type of numerical applications, for instance, based on finite elements and finite difference schemes . The performance here is starkly different, typically about 20 times lower than LIN-PACK, utilizing less than 5% of the nominal speed . This contrast underscores the difference between idealized benchmarks and practical workloads.