在本页阅读全文(共8页)
2、内存性能测试
强氧RS9260S配置了4根4GB PC3-10700(DDR3-1333)内存,皓龙6100和至强7500同样集成了四个内存控制器,HT总线也同样为6.4GT/s,理论上每颗CPU可以实现42.7GB/s的内存带宽。SiSoftware Sandra Pro Business 2010中提供了内存带宽、内存延迟和缓存性能的测试,我们继续用这个工具来考量强氧RS9260S的内存性能:
SiSoftware Sandra Pro Business 2010内存测试 | 内存带宽测试(越高越好) | Aggregate Memory Performance | 35GB/s |
---|---|---|---|
Int Buff'd iSSE2 Memory Bandwidth | 35GB/s | ||
Float Buff'd iSSE2 Memory Bandwidth | 34.84GB/s | ||
内存延时测试(随机) | Memory(Random Access) Latency(越低越好) | 95ns | |
Speed Factor(越低越好) | 63.00 | ||
Internal Data Cache | 3clocks | ||
L2 On-board Cache | 16clocks | ||
L3 On-board Cache | 56clocks | ||
内存延时测试(线性) | Memory(Linear Access) Latency(越低越好) | 18ns | |
Speed Factor(越低越好) | 11.70 | ||
Internal Data Cache | 3clocks | ||
L2 On-board Cache | 9clocks | ||
L3 On-board Cache | 18clocks | ||
缓存及内存测试 | Cache/Memory Bandwidth(越高越好) | 216.73GB/s | |
Speed Factor(越低越好) | 57.10 | ||
Internal Data Cache | 753.73GB/s | ||
L2 On-board Cache | 537.52GB/s | ||
L3 On-board Cache | - |
采用直连架构、集成内存控制器一直是AMD皓龙安身立命之本,在以往的AMD平台测试中,高内存带宽、低延迟一直是皓龙平台的特点。皓龙6100也不例外,在内存带宽和延迟测试中,这样的分数让人眼前一亮。相比之前的“Istanbul”平台,皓龙6100平台在内存性能上又有了大幅的提升。
本文导航