Solution Performance

ANSYS CFX* is a high-performance computational fluid dynamics (CFD) software tool that delivers reliable and accurate solutions quickly and robustly across a wide range of CFD and multi-physics applications. This application is memory bandwidth and latency bound.

Hardware at-a-glance: Intel® Xeon® 6148 Gold processor
Platform features: Intel® Advanced Vector Extensions 512 (Intel® AVX-512), more cores, more memory bandwidth
Software tools/libraries: Fortran Compiler/MPI: Intel® Parallel Studio XE Cluster Edition

Product and Performance Information


Testing conducted on CFX* software comparing 2S Intel® Xeon® Gold 6148 processor to 2S Intel® Xeon® processor E5-2697 v4 Testing by Intel and ANSYS.
Internal benchmark: Solver wall clock time for 3 Ansys’ standard benchmarks (perf_Airfoil_10M_R14, perf_LeMansCar, perf_Pump). 2x2: CFX 17 on Xeon® E5-2697 v4 compared to CFX 18 on Xeon® Gold 6148. Testing by Intel and ANSYS May 2017.
Baseline: 2S Intel® Xeon® processor E5-2697 v4, 2.3GHz, 18 cores, turbo on, HT off, 128GB total memory @2400 MHz, no storage used by benchmarks, Red Hat Enterprise Linux Server* release 6.4.
New: 2S Intel® Xeon® Gold processor 6148, 2.4GHz, 20 cores, turbo on, HT off, 192GB total memory @2666MHz, no storage used by benchmarks, CentOS* Linux 7.2.


Benchmark results were obtained prior to implementation of recent software patches and firmware updates intended to address exploits referred to as "Spectre" and "Meltdown". Implementation of these updates may make these results inapplicable to your device or system. 

Software and workloads used in performance tests may have been optimized for performance only on Intel® microprocessors. Performance tests, such as SYSmark* and MobileMark*, are measured using specific computer systems, components, software, operations, and functions. Any change to any of those factors may cause the results to vary. You should consult other information and performance tests to assist you in fully evaluating your contemplated purchases, including the performance of that product when combined with other products. For more complete information visit