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How many parameters are too many? [closed]
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A good rule-of-thumb is the number of CPU registers, because anymore and the compiler will be forced to allocate them on the stack.
– Michaelangel007
Mar 31 '16 at 14:10
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Convert a String In C++ To Upper Case
...ry/cache effects: data is hot in L1 cache the whole time, and we're purely CPU-bound.
boost::to_upper_copy<char*, std::string>(): 198.0s. Yes, Boost 1.58 on Ubuntu 15.10 is really this slow. I profiled and single-stepped the asm in a debugger, and it's really, really bad: there's a dynam...
list every font a user's browser can display
...ch fiability in showing content or parsing page in manner to not fill much cpu
– Constantin
Jul 24 at 8:41
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WebRTC - scalable live stream broadcasting / multicasting
...single broadcast can be relayed over unlimited users without any
bandwidth/CPU usage issues. Everything happens peer-to-peer!
This should definitely be possible to complete.
Others are also able to achieve this: http://www.streamroot.io/
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What's the purpose of the LEA instruction?
...nVoigt I used to say that, because I'm an old bloke :-) Traditionally, x86 CPUs did use the addressing units for this, agreed. But the "separation" has become very blurry these days. Some CPUs no longer have dedicated AGUs at all, others have chosen not to execute LEA on the AGUs but on the ordinary...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
... DLL的版本必须至少是4.71。但随着IE4 的发布，这已经不是问题了。(IE会夹带着这个DLL一起发布)
Custom Draw 基础
我将会尽我所能把Custom Draw的处理描述清楚，而不是简单的引用MSDN的文档。这些例子都需要你的程序有一个ListCtrl在...
When to use reinterpret_cast?
...ic_cast stands for.
On the other hand, when you call reinterpret_cast the CPU does not invoke any calculations. It just treats a set of bits in the memory like if it had another type. So when you convert int* to float* with this keyword, the new value (after pointer dereferecing) has nothing to do ...
Wrapping synchronous code into asynchronous call
...ous API for it.
I'll proceed with the assumption that your "service" is a CPU-bound operation that must execute on the same machine as the web server.
If that's the case, then the next thing to evaluate is another assumption:
I need the request to execute faster.
Are you absolutely sure that...
Why is arr = [] faster than arr = new Array?
..., the VM knows we want an array; with new Array, the VM needs to use extra CPU cycles to figure out what new Array actually does.
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What is the best way to compare floats for almost-equality in Python?
...red 0.03 into the system, that's not really the number that made it to the CPU.
– Andrew White
Sep 21 '15 at 1:31
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