在内存缓存测试环节,我们选择了科学计算中的Membench项目:
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ScienceMark Membench |
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| 厂商 | 浪潮 | 双路 X5365平台 |
| 产品型号 | Inspur NF280D | 双路 X5365平台 |
| 内存技术参数 | 1GB FBD ECC DDR2 667 SDRAM x 8 |
1GB FBD ECC DDR2 667 SDRAM x 8 |
| L1带宽 | 74547.96 | 83902.59 |
| L2带宽 | 23751.5 | 25120.09 |
| 内存带宽(MB/s) | 3935.79 | 3933.06 |
| L1 Cache Latency(ns) | ||
| 32 Bytes Stride | 1.06 | 1 |
| L2 Cache Latency(ns) | ||
| 4 Bytes Stride | 1.06 | 1 |
| 16 Bytes Stride | 1.41 | 1.34 |
| 64 Bytes Stride | 4.24 | 3.68 |
| 256 Bytes Stride | 4.24 | 3.68 |
| 512 Bytes Stride | 4.59 | 4.01 |
| Memory Latency(ns) | ||
| 4 Bytes Stride | 1.41 | 1 |
| 16 Bytes Stride | 4.94 | 4.68 |
| 64 Bytes Stride | 20.12 | 18.81 |
| 256 Bytes Stride | 68.47 | 60.82 |
| 512 Bytes Stride | 74.82 | 67.84 |
| Algorithm Bandwidth(MB/s) | ||
| Compiler | 3489.81 | 2824.44 |
| REP MOVSD | 3516.51 | 2841.6 |
| ALU Reg Copy | 3172.77 | 2747.44 |
| MMX Reg Copy | 3275.62 | 2794.63 |
| MMX Reg 3dNow | --- | --- |
| MMX Reg SSE | 3935.79 | 3933.06 |
| SSE PAlign | 3920.75 | 3875.5 |
| SSE PAlign SSE | 3920.89 | 3922.27 |
| SSE2 PAlign | 3905.87 | 3860.31 |
| SSE2 PAlign SSE | 3920.07 | 3920.55 |
| MMX Block 4kb | 3194.37 | 3250.86 |
| MMX Block 16kb | 3470.88 | 3528.15 |
| SSE Block 4kb | 3187.02 | 3183.58 |
| SSE Block 16kb | 3477.64 | 3539.32 |
NF280D的成绩居然整体上比NF190D上要略微高上一点点,可以大致上忽略掉。和X5365相比,45nm技术的确很有优势,微架构上的改进让E5440性能表现良好。