SiSoftware Sandra是一款可运行在32bit和64bit Windows操作系统上的分析软件，它可以对于系统进行方便、快捷的基准测试，还可以用于查看系统的软件、硬件等信息。SiSoftware Sandra所有的基准测试都针对SMP和SMT进行了优化，最高可支持32/64路平台。我们使用了其最新的2010版本。
SiSoftware Sandra Pro Business 2010 | |||
|---|---|---|---|
测试对象 | 双路Intel Nehalem-EP Xeon X5570 | 双路Intel Westmere-EP Xeon X5670 | 双路Intel Westmere-EP Xeon X5680 |
Processor Arithmetic Benchmark 处理器算术性能测试 | |||
Aggregate Arithmetic Performance | 147.17GOPS | 218.69GOPS | 249.2GOPS |
Aggregate Arithmetic Performance vs SPEED | 50.16MOPS/MHz | 74.53MOPS/MHz | 74.75MOPS/MHz |
Dhrystone iSSE4.2 | 172.5GIPS | 257GIPS | 291.36GIPS |
Dhrystone iSSE4.2 vs SPEED | 58.79MIPS/MHz | 87.58MIPS/MHz | 87.39MIPS/MHz |
Whetstone iSSE3 | 121.84GFLOPS | 180.41GFLOPS | 207GFLOPS |
Dhrystone iSSE3 vs SPEED | 41.53MFLOPS/MHz | 61.49MFLOPS/MHz | 62.10MFLOPS/MHz |
Processor Multi-Media Benchmark 处理器多媒体性能测试 | |||
Multi-Media Int x16 iSSE4.1 | 317.13MPixel/s | 470.51MPixel/s | 534.13MPixel/s |
Multi-Media Int x16 iSSE4.1 vs SPEED | 108.09kPixels/s/MHz | 160.37kPixels/s/MHz | 160.21kPixels/s/MHz |
Multi-Media Float x8 iSSE2 | 237MPixel/s | 350.2MPixel/s | 397.47MPixel/s |
Multi-Media Float x8 iSSE2 vs SPEED | 80.79kPixels/s/MHz | 119.36kPixels/s/MHz | 119.22kPixels/s/MHz |
Multi-Media Double x4 iSSE2 | 128.62MPixel/s | 190.87MPixel/s | 216.17MPixel/s |
Multi-Media Double x4 iSSE2 vs SPEED | 43.84kPixels/s/MHz | 65.05kPixels/s/MHz | 64.84kPixels/s/MHz |
Multi-Core Efficiency Benchmark 多核效率测试 | |||
Inter-Core Bandwidth | 71.15GB/s | 80.7GB/s | 84GB/s |
Inter-Core Bandwidth vs SPEED | 24.83MB/s/MHz | 28.17MB/s/MHz | 25.79MB/s/MHz |
Inter-Core Latency (越小越好) | 18ns | 18ns | 16ns |
Inter-Core Latency vs SPEED (越小越好) | 0.01ns/MHz | 0.01ns/MHz | 0.00ns/MHz |
.NET Arithmetic Benchmark .NET算术性能测试 | |||
Dhrystone .NET | 32.11GIPS | 32.2GIPS | 37GIPS |
Dhrystone .NET vs SPEED | 10.95MIPS/MHz | 25.08MOPS/MHz | 24.06MOPS/MHz |
Whetstone .NET | 79.56GFLOPS | 115GFLOPS | 123.43GFLOPS |
Whetstone .NET vs SPEED | 27.12MFLOPS/MHz | 39.19MFLOPS/MHz | 37.02MFLOPS/MHz |
.NET Multi-Media Benchmark .NET多媒体性能测试 | |||
Multi-Media Int x1 .NET | 59MPixel/s | 88.64MPixel/s | 100.36MPixel/s |
Multi-Media Int x1 .NET vs SPEED | 20.12kPixels/s/MHz | 30.21kPixels/s/MHz | 30.10kPixels/s/MHz |
Multi-Media Float x1 .NET | 25.22MPixel/s | 37.73MPixel/s | 42.42MPixel/s |
Multi-Media Float x1 .NET vs SPEED | 8.60kPixels/s/MHz | 12.86kPixels/s/MHz | 12.72kPixels/s/MHz |
Multi-Media Double x1 .NET | 48.3MPixel/s | 68.45MPixel/s | 78.48MPixel/s |
Multi-Media Double x1 .NET vs SPEED | 16.46kPixels/s/MHz | 23.33kPixels/s/MHz | 23.54kPixels/s/MHz |
毫无疑问，Sandra是一个偏向理论值的测试程序，Westmere-EP凭着多出来的两个核心，在多个测试中表现非凡。
