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2、内存性能测试
华硕RS520-E6/RS8配置了6根2GB ECC PC3-10600内存,至强5600集成三通道内存控制器,理论内存带宽可以达到32GB/s。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华硕RS520-E6/RS8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 | 24GB/s |
---|---|---|---|
Int Buff'd iSSE2 Memory Bandwidth | 24GB/s | ||
Float Buff'd iSSE2 Memory Bandwidth | 24GB/s | ||
内存延时测试(随机) | Memory(Random Access) Latency(越低越好) | 79ns | |
Speed Factor(越低越好) | 57.5 | ||
Internal Data Cache | 4clocks | ||
L2 On-board Cache | 9clocks | ||
L3 On-board Cache | 50clocks | ||
内存延时测试(线性) | Memory(Linear Access) Latency(越低越好) | 8ns | |
Speed Factor(越低越好) | 6.10 | ||
Internal Data Cache | 4clocks | ||
L2 On-board Cache | 10clocks | ||
L3 On-board Cache | 11clocks | ||
缓存及内存测试 | Cache/Memory Bandwidth(越高越好) | 164.5GB/s | |
Speed Factor(越低越好) | 39.10 | ||
Internal Data Cache | 649.13GB/s | ||
L2 On-board Cache | 478.2GB/s | ||
L3 On-board Cache | 150.56GB/s |
至强5600处理器采用Nehalem架构,集成三通道内存控制器,采用点对点的QPI总线,这使得至强5600平台内存带宽和性能大幅攀升。从成绩来看,华硕RS520-E6/RS8表现出了高内存带宽、低延迟的特点,这和所配置的两颗具有6.4GT/s QPI总线的高规格至强X5650也不无关系。
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