大约有 3,000 项符合查询结果(耗时:0.0176秒) [XML]
Compiling with g++ using multiple cores
...ge projects quicker (for example 4 source files at a time for a multi-core CPU)?
8 Answers
...
When to use PNG or JPG in iPhone development?
...
PNG's are pixel perfect (non-lossy), and require very little extra CPU energy to display. However, large PNGs may take longer to read from storage than more compressed image formats, and thus be slower to display.
JPG's are smaller to store, but lossy (amount depends on compression level),...
What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
...
Microsoft has a blog entry What AnyCPU Really Means As Of .NET 4.5 and Visual Studio 11:
In .NET 4.5 and Visual Studio 11 the cheese has been moved. The
default for most .NET projects is again AnyCPU, but there is more than
one meaning to AnyCPU now. T...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...越多的同行们能快速高质量地解决实际项目中遇到的各种问题,在此将我将自己实战中实用boost的经验分享给大家,本人才疏学浅,如果有什么问题希望读者们能帮助指出,大家共同探讨^_^
本章介绍的主题是multi_index_container
注...
Tracking the script execution time in PHP
PHP must track the amount of CPU time a particular script has used in order to enforce the max_execution_time limit.
18 A...
无社交不商业,Uber将边缘化BAT - 资讯 - 清泛网 - 专注C/C++及内核技术
...司,居然打败了如此强大的出租车公司。
这说明了一个问题:就是连接比拥有更加重要。
连接是一种关系,而你拥有的只是物质,也就是说,现在的世界,关系比物质更重要。
讲到这里,我们还没有真正了解互联网...
小端模式 和 大端模式的决定因素 - C/C++ - 清泛网 - 专注C/C++及内核技术
...和 大端模式的决定因素小端模式 和 大端模式:几乎是由CPU决定的,而非OS或编译器。大端模式和小端模式的区别这里暂不讨论,这里讨论他们是由操作系统、CPU还是编译器决定的呢?
通常来讲,可能大多数人认为是操作系统...
一体化的Linux系统性能和使用活动监控工具–Sysstat - 更多技术 - 清泛网 -...
...:
Sysstat的功能列表:
iostat:统计并报告你的设备的CPU状态和I/O状态数据。
mpstat:监控和显示关于CPU的细节信息。
pidstat:统计正在运行的进程/任务的CPU、内存等信息。
sar:保存和报告不同资源(CPU、内存、输入输出、网...
BLE(二)信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区,...
...一定频率范围下的频带资源(Frequency Band);
BLE的市场定位是个体和民用,因此使用免费的ISM频段(频率范围是2.400-2.4835 GHz);
为了同时支持多个设备,将整个频带分为40份,每份的带宽为2MHz,称作RF Channel。
所以经过上面...
AtomicInteger lazySet vs. set
...ill see it at the next read, because the cache coherence protocol of intel cpu will garantee LazySet works, but the cache line will be updated at the next read, again, the CPU has to be modern enough.
http://sc.tamu.edu/systems/eos/nehalem.pdf
For Nehalem which is a multi-processor platform, the pr...