在内存缓存测试环节，我们采用ScienceMark科学计算测试中的Membench项目：
|
ScienceMark Membench |
||
| 厂商 | 惠普 | |
| 产品型号 | HP DL180G5 | |
| 内存技术参数 | 1GB FBD DDR2 667 SDRAM x 2 |
|
| L1带宽 | 70916.81 | |
| L2带宽 | 22310.27 | |
| 内存带宽(MB/s) | 3995.07 | |
| L1 Cache Latency(ns) | ||
| 32 Bytes Stride | 1.13 | |
| L2 Cache Latency(ns) | ||
| 4 Bytes Stride | 1.13 | |
| 16 Bytes Stride | 1.50 | |
| 64 Bytes Stride | 4.51 | |
| 256 Bytes Stride | 4.51 | |
| 512 Bytes Stride | 4.89 | |
| Memory Latency(ns) | ||
| 4 Bytes Stride | 1.13 | |
| 16 Bytes Stride | 4.89 | |
| 64 Bytes Stride | 19.55 | |
| 256 Bytes Stride | 62.41 | |
| 512 Bytes Stride | 78.19 | |
| Algorithm Bandwidth(MB/s) | ||
| Compiler | 3255.73 | |
| REP MOVSD | 3343.61 | |
| ALU Reg Copy | 2959.07 | |
| MMX Reg Copy | 3006.40 | |
| MMX Reg 3dNow | --- | |
| MMX Reg SSE | 3991.39 | |
| SSE PAlign | 3881.03 | |
| SSE PAlign SSE | 3971.09 | |
| SSE2 PAlign | 3882.93 | |
| SSE2 PAlign SSE | 3985.91 | |
| MMX Block 4kb | 3221.71 | |
| MMX Block 16kb | 3554.37 | |
| SSE Block 4kb | 3223.76 | |
| SSE Block 16kb | 3553.98 | |
从上表我们可以看到，新的5100平台效率要比我们常见的5000P高，HP 180G5的内存带宽比通常的要高一些，各项带宽测试表现不错。
