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 DL160G5 | |
| 内存技术参数 | 2GB FBD DDR2 667 SDRAM x 4 |
|
| L1带宽 | 78333.03 | |
| L2带宽 | 23996.18 | |
| 内存带宽(MB/s) | 4805.22 | |
| L1 Cache Latency(ns) | ||
| 32 Bytes Stride | 1.00 | |
| L2 Cache Latency(ns) | ||
| 4 Bytes Stride | 1.00 | |
| 16 Bytes Stride | 1.34 | |
| 64 Bytes Stride | 4.34 | |
| 256 Bytes Stride | 4.34 | |
| 512 Bytes Stride | 4.66 | |
| Memory Latency(ns) | ||
| 4 Bytes Stride | 4.01 | |
| 16 Bytes Stride | 15.37 | |
| 64 Bytes Stride | 58.81 | |
| 256 Bytes Stride | 63.83 | |
| 512 Bytes Stride | 71.18 | |
| Algorithm Bandwidth(MB/s) | ||
| Compiler |
3120.49 |
|
| REP MOVSD | 3144.82 | |
| ALU Reg Copy | 1926.70 | |
| MMX Reg Copy | 2066.14 | |
| MMX Reg 3dNow | --- | |
| MMX Reg SSE | 4793.54 | |
| SSE PAlign | 3786.67 | |
| SSE PAlign SSE | 4803.23 | |
| SSE2 PAlign | 3781.78 | |
| SSE2 PAlign SSE | 4805.22 | |
| MMX Block 4kb | 3989.46 | |
| MMX Block 16kb | 4312.89 | |
| SSE Block 4kb | 4053.80 | |
| SSE Block 16kb | 4361.82 | |
从上表我们可以看到，新的5472 1600MHz的FSB和5400 Stoakley芯片组的内存带宽相对比我们以往测试的要高一些，例如，4805.22MB/s的带宽比180G5 3900MB/s的带宽高上不少，各项架构测试的性能带宽也基本上有所提升。
