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 2010 | |||
测试对象 | 宝德四子星PR2760T服务器 双路Intel Westmere-EP Xeon E5620 2.4GHz | DELL PE2900 III 双路Intel Harptown Xeon E5430 2.66GHz | |
Memory Bandwidth Benchmark 内存带宽测试 | |||
Int Buff'd iSSE2 Memory Bandwidth | 19GB/s | 6.13GB/s | |
Int Buff'd iSSE2 Memory Bandwidth vs SPEED | 18.26MB/s/MHz | 9.43MB/s/MHz | |
Float Buff'd iSSE2 Memory Bandwidth | 19GB/s | 6.13GB/s | |
Float Buff'd iSSE2 Memory Bandwidth vs SPEED | 18.26MB/s/MHz | 9.43MB/s/MHz | |
Memory Latency Benchmark 内存延迟测试 | |||
Memory(Random Access) Latency (越小越好) | 90ns | 108ns | |
Memory(Random Access) Latency vs SPEED (越小越好) | 0.08ns/MHz | 0.16ns/MHz | |
Speed Factor(越小越好) | 60.20 | 95.20 | |
Internal Data Cache | 4clocks | 3clocks | |
L2 On-board Cache | 9clocks | 18clocks | |
L3 On-board Cache | 51clocks | ||
Cache and Memory Benchmark 缓存及内存测试 | |||
Cache/Memory Bandwidth | 57.4GB/s | 68.88GB/s | |
Cache/Memory Bandwidth vs SPEED | 23.26MB/s/MHz | 26.52MB/s/MHz | |
Speed Factor(越小越好) | 19 | 111.90 | |
| Internal Data Cache | 196.6GB/s | 421.23GB/s | |
| L2 On-board Cache | 126.2GB/s | 122.68GB/s | |
和刚才的处理器测试相比，Westmere-EP处理器在内存测试中更是显示出了优势。由于整合了内存控制器，它的内存带宽和延迟表现都要好于基准平台。
