more performance - Grace CPU (#548)

Author: sbryngelson

docs/documentation/expectedPerformance.md

@@ -34,6 +34,7 @@ AMD MI250X GPUs have two graphics compute dies (GCDs) per MI250X device; we repo
 | AMD EPYC 7763 (Milan)                        | 24/64 cores     | 108        | GNU 11.4.0           | NCSA Delta  |
 | Intel Xeon Platinum 8462Y+ (Sapphire Rapids) | 16/32 cores     | 110        | GNU 12.3.0           | GT ICE  |
 | Intel Xeon Gold 6454S (Sapphire Rapids)      | 16/32 cores     | 111        | NVHPC 24.5           | GT Rogues Gallery  |
+| NVIDIA Grace CPU (Arm, Neoverse V2)          | 18/72 cores     | 116        | NVHPC 24.1           | GT Rogues Gallery  |
 | AMD EPYC 7452 (Rome)                         | 16/32 cores     | 126        | GNU 12.3.0           | GT ICE  |
 | AMD EPYC 7713 (Milan)                        | 32/64 cores     | 137        | GNU 12.1.0           | GT Phoenix  |
 | Intel Xeon Gold 6226 (Cascade Lake)          | 12/12 cores     | 152        | Intel oneAPI 2022.1  | GT Phoenix  |