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When to use thread pool in C#? [closed]
...us if those downloading threads are just waiting they're eating up tons of CPU and cooling down the cache for your real application
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...org/forum/archive/2/0510/563.html）。现在把我安装过程中遇到的问题及解决方法提供给大家，以方便新手。高手就不要看了
说明一下：Q代表安装过程中遇到的问题，或者是日志中出现的现象。A：代表解决方法。
在这里要感谢...
30岁之后，程序员该向什么方向发展？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...，脑袋没有那么灵光，没有那么有冲劲了，这也是个人的问题。如果你自己不努力，到多少岁都一样。
以前也有人问我二十几岁再开始编程晚不晚，我的回答是，不晚，什么时候都不晚。
QA&2. 您个人或身边有这样的实例吗？...
What is the difference between a process and a thread?
... referring to. Threads are an operating environment feature, rather than a CPU feature (though the CPU typically has operations that make threads efficient).
Erlang uses the term "process" because it does not expose a shared-memory multiprogramming model. Calling them "threads" would imply that the...
Android emulator and virtualbox cannot run at same time
... @rudolfbyker, what the answer says is that emulators that run with CPU/ABI x86/x86_64 is a lot faster, but uses the same KVM (Kernel-based Virtual Machine) as VitualBox. Creating an emulator with another CPU, like arm64, will not conflict with VirtualBox, but emulator is a lot slower.
...
kernel stack and user space stack
...sable, and therefore will require one set under its own control. Different CPU architectures implement this in different ways; x86 CPUs automatically switch stackpointers when privilege mode switches occur, and the values to be used for different privilege levels are configurable - by privileged cod...
Compiled vs. Interpreted Languages
...e. Or let's say: There are native compilers (creating machine code for the CPU to eat), and not-so-native-compilers (creating tokenized stuff, i.e. intermediate code, that some just-in-time compiler compiles to machine code before (or during) runtime ONCE), and there are "real" non-compilers that ne...
Why doesn't C have unsigned floats?
...d floats is because there is no equivalent machine code operations for the CPU to execute. So it would be very inefficient to support it.
If C++ did support it, then you would be sometimes using an unsigned float and not realizing that your performance has just been killed. If C++ supported it ...
How to benchmark efficiency of PHP script
...rces become scarce. This raises another question: are you bottlenecking on CPU? RAM? I/O?
You also need to look beyond just the code you are running in your scripts to how your scripts/pages are being served. What web server are you using? As an example, I can make nginx + PHP-FPM seriously out per...
Why does multiprocessing use only a single core after I import numpy?
...hine- and task-specific .
Update:
There are also two ways to disable the CPU affinity-resetting behaviour of OpenBLAS itself. At run-time you can use the environment variable OPENBLAS_MAIN_FREE (or GOTOBLAS_MAIN_FREE), for example
OPENBLAS_MAIN_FREE=1 python myscript.py
Or alternatively, if you...