有能力保存并比较性能指标。
将允许开发者比较性能和磁道系统改进的协议和基准。
Protocols & benchmarks which will allow developers to compare performance & track system improvements.
因为基准需要在实现之间切换以比较性能，所以必须始终废弃已编译模式以避免库之间的交互。
Since the benchmark needs to switch between implementations to compare performance, compiled patterns must always be discarded to avoid interaction between libraries.
我将使用以下两个流行的工作负载来比较性能和电量消耗，展示一个调优后的调控器如何节约电能而不会牺牲性能。
I use two popular workloads to compare performance and power consumption and show how a tuned governor can provide power savings without sacrificing performance.
这对阻燃型工程塑料的电性能，尤其是比较跟踪指数（CTI）进行了描述。
The electrical property of flame-retardant engineering plastics, especially comparative tracking index (CTI) is described.
在这个实验中，我们比较了数据库通道的性能。
In this trial, we compare the performance of database vendors.
尽管在本系列文章中，关于对安全性讨论和性能比较进行测试的安全性配置的数目较少，但我还是发现了这种类型的几个问题。
Even in the relatively small number of security configurations tested for the security discussions and performance comparisons in the articles of this series, I found several problems of this type.
本文提供了对每个程序两个版本的性能比较。
This article includes a performance comparison of the two versions of each program.
本小节比较各个场景的性能，它们都使用一个非常基础的简单规则。
It compares the performance of each scenario with a very basic simple rule.
页清除率，或者说总缺页率，可能导致计时上的很大不同，使得性能比较容易产生误解。
The rate of page cleaning, or the total absence of it, can cause large differences in timings which can make performance comparisons misleading.
性能比较使用与之前文章相同的测试代码，即地震数据查询服务。
The performance comparisons use the same test code as earlier articles, a seismic data retrieval service.
在运行时生成代码的根本理由是用一些更快的的东西取代反射，所以最好加入性能比较以了解在这方面的改进。
My original reason for generating code at runtime was to replace reflection with something faster, so it would be good to include a performance comparison to see how well I've succeeded.
详细GC通常对应用程序性能的影响比较小。
Verbose GC usually has relatively little performance impact on an application.
因此，在显示数量比较的图中，数值越小表示性能越好。
Therefore, lower Numbers equate to better performance in graphs showing quantitative comparisons.
使用性能比较特性，您现在可以比较您的应用程序的动态执行和使用文本替换的静态执行的性能。
Using the performance compare features, you can now compare the performance of your application between dynamic execution and static execution with literal replacement.
反射代码比相应的直接代码更复杂，正如性能比较的代码实例中看到的一样。
Reflection code is also more complex than the corresponding direct code, as can be seen in the code samples from the performance comparisons.
您可以保存您的应用程序的每次执行的性能数据集，并比较各次执行的性能结果。
You can save the performance data set for each execution and compare performance results between executions of your application.
由于是在只有一个磁盘的笔记本电脑上进行模拟的，所以性能比较突出。
Since this simulation is running on a single laptop with only one disk, the performance is outstanding.
在性能测试中这比较有用。
应该多次运行测试，然后求出传输过程的平均时间，从而比较准确地了解性能水平。
You should run the tests multiple times and then take the average of the transfer process to get an idea of the standard performance.
此方法实现起来比较复杂但是具有更好的性能。
This approach is complicated to implement but has better performance.
建议在比较解决方案的性能结果时查看处理器核心。
There are differences of opinions obviously, but I recommend you look at processor cores when comparing performance results across solutions.
图32显示了黄金拓扑和拥有高可用性的可伸缩性拓扑之间的性能比较。
Figure 32 shows a comparison between the golden and scalability with high availability topologies.
这能帮助我们更好地理解返回的信息，并根据已发布的基准测试数据比较自己的性能数据。
This helps them to better understand the information returned and relate their performance to the published benchmarks.
与其它备用方案相比，它的数据分解性能比较差，但是它的确可以提供较好的内存利用率和相当快的启动时间。
Its unmarshalling performance is weak compared to other alternatives, but it does give good memory utilization and a fairly fast startup time.
我们目前比较关注那些性能较差的地方。
We're really focused on those areas of slow performance right now.
如果您使用的是虚拟机，那么您应该将Windows系统镜像捕捉为一个快照，它可以作为正常运行保存点，也可以作为比较将来性能变化的基线。
If you used virtual machines, you captured an image of the Windows system as a snapshot, both to archive as a functioning save point and to use as a baseline to compare future performance changes.
另外，将Firebug输出与实际的性能进行比较。
In addition, compare Firebug output with your actual perceived performance.
如果您使用的是虚拟机，那么应该获得了Windows系统的镜像作为快照，既可将其用作功能存储点，也可将其用作比较将来性能变化的基线。
If you used virtual machines, you can capture an image of the Windows system as a snapshot, both to archive as a functioning save point and to use as a baseline to compare future performance changes.
如果您使用的是虚拟机，那么应该获得了Windows系统的镜像作为快照，既可将其用作功能存储点，也可将其用作比较将来性能变化的基线。
If you used virtual machines, you can capture an image of the Windows system as a snapshot, both to archive as a functioning save point and to use as a baseline to compare future performance changes.
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