1U的精彩 戴尔12G系列R620服务器评测(1)(8)
SiSoftware Sandra软件我们常用的处理器计算性能测试软件。在至强E3新出现的时候，我们将这款软件升级到了2011版本。而如今，这款软件最新的版本是2012，也只有此版本可以更好的支持至强E5处理器。虽然是Lite版本，但是对于我们的测试来说并无大碍。
| SiSoftware Sandra Pro Business 2012 | |
| 产品名称 | 戴尔PowerEdge R720 |
| 平台类型 | Intel SandyBridge-EP |
| Processor Arithmetic Benchmark 处理器算术运算测试 |
|
|---|---|
| Dhrystone ALU | 382GIPS |
| Dhrystone ALU vs SPEED | 107.08MIPS/MHz |
| Whetstone iSSE3 | 235.38GFLOPS |
| Dhrystone iSSE3 vs SPEED | 136.41MFLOPS/MHz |
| Processor Multi-Media Benchmark 处理器多媒体测试 |
|
| Multi-Media Int x16 iSSE4.1 | 550.4MPixel/s |
| Multi-Media Int x16 iSSE4.1 vs SPEED | 196.57kPixels/s/MHz |
| Multi-Media Float x8 iSSE2 | 413.55MPixel/s |
| Multi-Media Float x8 iSSE2 vs SPEED | 147.70kPixels/s/MHz |
| Multi-Media Double x4 iSSE2 | 225.47MPixel/s |
| Multi-Media Double x4 iSSE2 vs SPEED | 80.52kPixels/s/MHz |
| Multi-Core Efficiency Benchmark 处理器效能测试 |
|
| Inter-Core Bandwidth | 49.83GB/s |
| Inter-Core Bandwidth vs SPEED | 18.22MB/s/MHz |
| Inter-Core Latency(越小越好) | 181.6ns |
| Inter-Core Latency vs SPEED(越小越好) | 0.65ns/MHz |
| .NET Arithmetic Benchmark .NET算术运算测试 |
|
| Dhrystone .NET | 20.3GIPS |
| Dhrystone .NET vs SPEED | 7.25MIPS/MHz |
| Whetstone .NET | 131.59GFLOPS |
| Whetstone .NET vs SPEED | 47.00MFLOPS/MHz |
| .NET Multi-Media Benchmark .NET多媒体测试 |
|
| Multi-Media Int x1 .NET | 91.6MPixel/s |
| Multi-Media Int x1 .NET vs SPEED | 32.72kPixels/s/MHz |
| Multi-Media Float x1 .NET | 37.48MPixel/s |
| Multi-Media Float x1 .NET vs SPEED | 13.39kPixels/s/MHz |
| Multi-Media Double x1 .NET | 74.69MPixel/s |
| Multi-Media Double x1 .NET vs SPEED | 26.67kPixels/s/MHz |
从成绩来看，新一代至强E5-2650处理器得益于核心数量的优势，测试成绩甚至比我们之前进行的R720还要好一些。当然，类似处理器这样的选配产品，我们单一评估某项测试的性能并没有太大的意义，但这至少说明处理器规格对于测试成绩的影响，也能看出至强E5平台的提升是巨大的。
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