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 | ||
|---|---|---|
测试对象 | Aisino 5241NR 双路Intel Gainestown Xeon E5504 2.0GHz | DELL PE2900 III 双路Intel Harpertown Xeon E5430 2.66GHz |
Memory Bandwidth Benchmark 内存带宽测试 | ||
Int Buff'd iSSE2 Memory Bandwidth | 25.32GB/s | 6.13GB/s |
Int Buff'd iSSE2 Memory Bandwidth vs SPEED | 9.43MB/s/MHz | |
Float Buff'd iSSE2 Memory Bandwidth | 25.17GB/s | 6.13GB/s |
Float Buff'd iSSE2 Memory Bandwidth vs SPEED | 9.43MB/s/MHz | |
Memory Latency Benchmark(Random) 内存延迟测试(随机) | ||
Memory(Random Access) Latency (越小越好) | 108ns | 108ns |
Speed Factor (越小越好) | 52.60 | 95.20 |
Internal Data Cache | 4clocks | 3clocks |
L2 On-board Cache | 10clocks | 18clocks |
L3 On-board Cache | 48clocks | |
Memory Latency Benchmark(Linear) 内存延迟测试（线性） | ||
Memory(Linear Access) Latency (越小越好) | 10ns | 20ns |
Speed Factor (越小越好) | 4.70 | 17.30 |
Internal Data Cache | 4clocks | 3clocks |
L2 On-board Cache | 10clocks | 13clocks |
L3 On-board Cache | 12clocks | |
Cache and Memory Benchmark 缓存及内存测试 | ||
Cache/Memory Bandwidth | 87.74GB/s | 68.88GB/s |
Cache/Memory Bandwidth vs SPEED | 44.92MB/s/MHz | 26.52MB/s/MHz |
Speed Factor (越小越好) | 22.70 | 111.90 |
Internal Data Cache | 303.49GB/s | 421.23GB/s |
L2 On-board Cache | 274.00GB/s | 122.68GB/s |
SiSoftware Sandra对比
IMC集成内存控制器是Nehalem的看家本领之一，总体来说，表现比对比平台好。一些平台的成绩受到E5504较低主频的影响，Nehalem内存性能过剩的说法倒也有几分道理。
