服务器 频道

内存双通道模式对服务器性能有何提升?

  Sisoftware Sandra 2011处理器性能

SiSoftware Sandra Pro Business 2011
产品名称HP DL120 G7HP DL120 G7
平台类型单路Intel SandyBridge单路Intel SandyBridge
内存通道双通道8GB单通道8GB
Processor Arithmetic Benchmark
处理器算术运算测试
总计本地功效70.48GOPS71GOPS
总计本地功效对比速度20.18MOPS/MHz19.78MOPS/MHz
Dhrystone iSSE4.2103.26GIPS103.54GIPS
Dhrystone iSSE4.2 vs SPEED29.56MIPS/MHz28.83MIPS/MHz
Whetstone iSSE348.1GFLOPS48.77GFLOPS
Dhrystone iSSE3 vs SPEED13.77MFLOPS/MHz13.58MFLOPS/MHz
Processor Multi-Media Benchmark
处理器多媒体测试
总计多媒体功效130.81MPixel/s130.75MPixel/s
总计多媒体功效对比速度35.43kPixels/s/MHz35.42kPixels/s/MHz
Multi-Media Int x16 iSSE4.1158.63MPixel/s158.53MPixel/s
Multi-Media Int x16 iSSE4.1 vs SPEED42.96kPixels/s/MHz42.94kPixel/s/MHz
Multi-Media Float x8 iSSE2107.87MPixel/s107.85MPixel/s
Multi-Media Float x8 iSSE2 vs SPEED29.22kPixels/s/MHz

29.21kPixels/s/MHz

Multi-Media Double x4 iSSE258.57MPixel/s58.56MPixel/s
Multi-Media Double x4 iSSE2 vs SPEED15.86kPixels/s/MHz

15.86kPixels/s/MHz

Multi-Core Efficiency Benchmark
处理器效能测试
内联核带宽8.65GB/s7.18GB/s
内联核带宽对比速度2.40MB/s/MHz1.99MB/s/MHz
内联核延迟(越小越好)45.1ns43.9ns
内联核延迟对比速度(越小越好)0.12ns/MHz0.12ns/MHz
Java算数性能测试
总计 Java 功效57.58GOPS

61GOPS

总计 Java 功效对比速度15.59MOPSMHz16.52MOPSMHz
Dhrystone Java114.62GIPS117.36GIPS
Dhrystone Java对比速度31.05MIPS/MHz31.79MIPS/MHz
Whetstone Java29GFLOPS31.7GFLOPS
Whetstone Java对比速度7.83MFLOPSMHz8.59MFLOPS/MHz
Java多媒体性能测试
总计多媒体Java功效18MPixel/s18.18MPixel/s
总计多媒体Java功效对比速度4.88kPixels/s/MHz4.92kPixels/s/MHz
多媒体整数 x1 Java20.57MPixel/s20.65MPixel/s
多媒体整数 x1 Java对比速度5.57kPixels/s/MHz5.59kPixels/s/MHz
多媒体浮点数 x1 Java15.75MPixel/s16MPixel/s
多媒体浮点数 x1 Java对比速度4.27kPixels/s/MHz4.34kPixels/s/MHz
多媒体双精度 x1 Java15.36MPixel/s16MPixel/s
多媒体双精度 x1 Java对比速度4.16kPixels/s/MHz4.31kPixels/s/MHz
.NET Arithmetic Benchmark
.NET算术运算测试
总计 .NET 功效21.17GOPS21GOPS
总计 .NET 功效对比速度5.73MOPS/MHz5.84MOPS/MHz
Dhrystone .NET15GIPS15GIPS
Dhrystone .NET vs SPEED4.09MIPS/MHz4.19MIPS/MHz
Whetstone .NET29.7GFLOPS29.2GFLOPS
Whetstone .NET vs SPEED8.04MFLOPS/MHz8.13MFLOPS/MHz
.NET Multi-Media Benchmark
.NET多媒体测试
总计多媒体.NET功效15MPixel/s14.89MPixel/s
总计多媒体.NET功效对比速度4.04kPixels/MHz4.03kPixels/s/MHz
多媒体整数 x1 .NET28.26MPixel/s28.32MPixel/s
多媒体整数x1 .NET vs SPEED7.65kPixels/s/MHz7.67kPixels/s/MHz
多媒体浮点数 x1 .NET7.86MPixel/s7.83MPixel/s
多媒体浮点数 x1 .NET vs SPEED2.13kPixels/s/MHz2.12kPixels/s/MHz
多媒体双精度 x1 .NET15.62MPixel/s15.65MPixel/s
多媒体双精度 x1 .NET vs SPEED4.23kPixels/s/MHz4.24kPixels/s/MHz

  测试成绩中我们看到,单通道和双通道模式下,处理器的各项测试成绩几乎相同,可见多通道模式对于处理器单纯的计算能力并没有什么影响。

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