add broadwell and p100 to performance (#552)

Author: sbryngelson

docs/documentation/expectedPerformance.md

@@ -27,6 +27,7 @@ AMD MI250X GPUs have two graphics compute dies (GCDs) per MI250X device; we repo
 | NVIDIA A30                                   | 1 GPU           | 1.06           | NVHPC 24.1           | GT Rogues Gallery  |
 | AMD MI250X                                   | 1 __GCD__       | 1.09           | CCE 16.0.1           | OLCF Frontier |
 | AMD MI100                                    | 1 GPU           | 1.38           | CCE 16.0.1           | Cray internal system |
+| NVIDIA P100                                  | 1 GPU           | 2.35           | NVHPC 23.5           | GT CSE Internal  |
 | NVIDIA A40 (SP GPU)                          | 1 GPU           | 3.3            | NVHPC 22.11          | NCSA Delta  |
 | NVIDIA RTX6000 (SP GPU)                      | 1 GPU           | 3.9            | NVHPC 22.11          | GT Phoenix  |
 | Apple M1 Max                                 | 8/10 cores      | 72             | GNU 14.1.0           | N/A         |
@@ -39,6 +40,8 @@ AMD MI250X GPUs have two graphics compute dies (GCDs) per MI250X device; we repo
 | Intel Xeon Platinum 8352Y (Ice Lake)         | 12/32 cores     | 128            | NVHPC 24.5           | GT Rogues Gallery  |
 | 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  |
+| Intel Xeon E5-2650V4 (Broadwell)             |  8/12 cores     | 230            | NVHPC 23.5           | GT CSE Internal  |
+
 
 __All grind times are in nanoseconds (ns) per grid point (gp) per equation (eq) per right-hand side (rhs) evaluation, so X ns/gp/eq/rhs. Lower is better.__