SiSoftware Sandra缓存内存测试主要包括内存带宽、内存延迟等性能的测试。
SiSoftware Sandra Pro Business 2009 | ||
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测试对象 | PowerLeader PR2012NS-G服务器 双路Intel Gainestown Xeon E5520 2.27GHz | DELL PE2900 III 双路Intel Harpertown Xeon E5430 2.66GHz |
Memory Bandwidth Benchmark 内存带宽测试 | ||
Aggregate Memory Performance | 32.84GB/s | 7.14GB/s |
Int Buff'd iSSE2 Memory Bandwidth | 32.84GB/s | 7.14GB/s |
Float Buff'd iSSE2 Memory Bandwidth | 32.84GB/s | 7.14GB/s |
Memory Latency Benchmark(Random) 内存延迟测试(随机) | ||
Memory(Random Access) Latency (越小越好) | 91ns | 114ns |
Speed Factor (越小越好) | 47.40 | 100.70 |
Internal Data Cache | 4clocks | 3clocks |
L2 On-board Cache | 11clocks | 18clocks |
L3 On-board Cache | 49clocks | |
Memory Latency Benchmark(Linear) 内存延迟测试(线性) | ||
Memory(Linear Access) Latency (越小越好) | 9ns | 21ns |
Speed Factor (越小越好) | 4.50 | 18.30 |
Internal Data Cache | 4clocks | 3clocks |
L2 On-board Cache | 11clocks | 12clocks |
L3 On-board Cache | 13clocks | |
Cache and Memory Benchmark 缓存及内存测试 | ||
Cache/Memory Bandwidth | 112.53GB/s | 73GB/s |
Speed Factor (越小越好) | 19.40 | 96.90 |
Internal Data Cache | 356.18GB/s | 421.28GB/s |
L2 On-board Cache | 231GB/s | 121GB/s |
L3 On-board Cache | 89.73GB/s | - |
表现不错……Nehalem-EP就是这样。