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
|
Intel Nehalem-EP
双路Intel Gainestown Xeon X5570 2.93GHz |
Dawning A650
双路AMD Shanghai Operton 2378 2.40GHz |
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
|
16.93GB/s
|
16.59GB/s
|
6.13GB/s
|
|
Int Buff'd iSSE2 Memory Bandwidth vs SPEED
|
|
25.52MB/s/MHz
|
9.43MB/s/MHz
|
|
Float Buff'd iSSE2 Memory Bandwidth
|
16.90GB/s
|
16.58GB/s
|
6.13GB/s
|
|
Float Buff'd iSSE2 Memory Bandwidth vs SPEED
|
|
25.50MB/s/MHz
|
9.43MB/s/MHz
|
|
Memory Latency Benchmark
内存延迟测试 |
|||
|
Memory(Random Access) Latency
(越小越好) |
81ns
|
106ns
|
108ns
|
|
Memory(Random Access) Latency vs SPEED
(越小越好) |
|
0.16ns/MHz
|
0.16ns/MHz
|
|
Speed Factor
(越小越好) |
61.40
|
83.80
|
95.20
|
|
Internal Data Cache
|
4clocks
|
3clocks
|
3clocks
|
|
L2 On-board Cache
|
10clocks
|
16clocks
|
18clocks
|
|
L3 On-board Cache
|
48clocks
|
58clocks
|
|
|
Cache and Memory Benchmark
缓存及内存测试 |
|||
|
Cache/Memory Bandwidth
|
143.24GB/s
|
77.08GB/s
|
68.88GB/s
|
|
Cache/Memory Bandwidth vs SPEED
|
50.01MB/s/MHz
|
32.89MB/s/MHz
|
26.52MB/s/MHz
|
|
Speed Factor
(越小越好) |
20.90
|
36.00
|
111.90
|
|
Internal Data Cache
|
448.46GB/s
|
299.00GB/s
|
421.23GB/s
|
|
L2 On-board Cache
|
421.42GB/s
|
162.91GB/s
|
122.68GB/s
|
SiSoftware Sandra对比，用蓝色标出了性能特出的项目
在频率更低的情况下，Nehalem-EP处理器的测试成绩全面强于对比的处理器。
