在内存缓存测试环节，我们选择了科学计算中的Membench项目：
|
ScienceMark Membench |
||
| 厂商 | IBM | 双路 X5365平台 |
| 产品型号 | X3650 | 双路 X5365平台 |
| 内存技术参数 | 1GB FBD ECC DDR2 667 SDRAM x 12 |
1GB FBD ECC DDR2 667 SDRAM x 8 |
| L1带宽 | 81488.39 | 83902.59 |
| L2带宽 | 25121.07 | 25120.09 |
| 内存带宽(MB/s) | 3870.56 | 3933.06 |
| L1 Cache Latency(ns) | ||
| 32 Bytes Stride | 1 | 1 |
| L2 Cache Latency(ns) | ||
| 4 Bytes Stride | 1 | 1 |
| 16 Bytes Stride | 1.34 | 1.34 |
| 64 Bytes Stride | 3.68 | 3.68 |
| 256 Bytes Stride | 4.01 | 3.68 |
| 512 Bytes Stride | 4.01 | 4.01 |
| Memory Latency(ns) | ||
| 4 Bytes Stride | 1.34 | 1 |
| 16 Bytes Stride | 5.35 | 4.68 |
| 64 Bytes Stride | 21.72 | 18.81 |
| 256 Bytes Stride | 64.83 | 60.82 |
| 512 Bytes Stride | 72.51 | 67.84 |
| Algorithm Bandwidth(MB/s) | ||
| Compiler | 2809.62 | 2824.44 |
| REP MOVSD | 2844.77 | 2841.6 |
| ALU Reg Copy | 2723.87 | 2747.44 |
| MMX Reg Copy | 2792.67 | 2794.63 |
| MMX Reg 3dNow | --- | --- |
| MMX Reg SSE | 3844.76 | 3933.06 |
| SSE PAlign | 3795.35 | 3875.5 |
| SSE PAlign SSE | 3870.56 | 3922.27 |
| SSE2 PAlign | 3764.1 | 3860.31 |
| SSE2 PAlign SSE | 3856.24 | 3920.55 |
| MMX Block 4kb | 2656.92 | 3250.86 |
| MMX Block 16kb | 3369.33 | 3528.15 |
| SSE Block 4kb | 2663.62 | 3183.58 |
| SSE Block 16kb | 3381.21 | 3539.32 |
相同的架构，得分也很是相似。
