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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
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What is a memory fence?
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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
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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...
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...
互联网数据造假盛行 浮夸风伤害创新经济 - 资讯 - 清泛网 - 专注C/C++及内核技术
...今年3月同样公开指出，IT产业与互联网产业存在很大诚信问题，出现严重的数据造假，甚至出现“税前营业额”这种奇怪的名词。
数据造假乱象
本应艰辛励志的创业故事开始变得浮躁起来，数据造假和各种谎言在互联网行业...
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...
The application may be doing too much work on its main thread
... in a vast array of hardware unlike ios
and windows devices. The RAM and CPU varies and if you want a
reasonable performance and user experience on all the devices then you
need to fix this thing. When frames are skipped the UI is slow and
laggy, which is not a desirable user experience.
...