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How do I specify the platform for MSBuild?
...ution must be configured for both platforms. Actually you just have an Any CPU configuration.
How to check the available configuration for a project
To check the available configuration for a given project, open the project file (*.csproj for example) and look for a PropertyGroup with the right Co...
If vs. Switch Speed
...complex but basically boils down to the table indirection neutering modern cpu jump target buffers and so wipes out the branch predictor. I vaguely recall a paper at a GCC conference on codegen for switches.
– olliej
Jan 14 '09 at 23:46
...
What is a memory fence?
...
For performance gains modern CPUs often execute instructions out of order to make maximum use of the available silicon (including memory read/writes). Because the hardware enforces instructions integrity you never notice this in a single thread of execut...
Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...
And native, on my MacBook Pro 15" (Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz) with Apple LLVM version 10.0.0 (clang-1000.10.44.4) under OSX 10.13.6, I get this:
Do nothing calls per second: 22078079
Empty calls per second: 21847547
New thread calls per second: 433...
CruiseControl.Net 进行持续化集成 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
...ver服务，在启动之前，需要先解决一下可能最影响情绪的问题：我们知道windows services默认情况下是用本地系统账户运行的，可一般情况下我们会在当前操作用户下设置对vss共享目录的访问权限，比如当前windows运行账户为administra...
C# Thread safe fast(est) counter
...d" to (x64).
This "bus lock" statement locks the bus to prevent another CPU from accessing the bus while the calling CPU does its operation. Now, take a look at the C# lock() statement's IL. Here you will see calls to Monitor in order to begin or end a section.
In other words, .Net lock() stat...
PHP memory profiling
... like shown below:
Xhprof + Xhgui (the best in my opinion to profile both cpu and memory)
With Xhprof and Xhgui you can profile the cpu usage as well or just the memory usage if that's your issue at the moment.
It's a very complete solutions, it gives you full control and the logs can be written bo...
程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...来我才想起可以用穷举法，最多就999次不就打开了？那么问题来了，你的密码箱还安全吗？
彩虹表
除了穷举法外，由于之前的密码泄露，那么攻击者们，手上都有大量的彩虹表，比如”I love you”,生日等等，这个表保存了这些...
When do I need to use AtomicBoolean in Java?
...of threads running through your
critical sections, a substantial
amount of CPU time is spent in
managing the synchronization
mechanism itself (waiting, notifying,
etc). Since the new API uses hardware
level constructs (atomic variables)
and wait and lock free algorithms to
implement thread-safety, a...
Effective method to hide email from spam bots
...is a billion-dollar business and the spammer's aren't even using their own CPU cycles to scrape the screens. In fact, they have already read this conversation and have adjusted their methods accordingly. Anything computer readable is going to be readable by the bots. Whether it be executed by CSS o...