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Difference between API and ABI
...system. The ABI defines the API plus the machine language for a particular CPU family. An API does not ensure runtime compatibility, but an ABI does, because it defines the machine language, or runtime, format.
Courtesy
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How does Duff's device work?
... whether the loop is finished and jumping back to the top of the loop. The CPU can run faster when it's executing straight-line code instead of jumping.
The second aspect is the switch statement. It allows the code to jump into the middle of the loop the first time through. The surprising part to m...
How does akka compare to Erlang? [closed]
...rlang VM can pause the process and let other hungry processes to take more CPU cycles. That's a very important feature that JVM doesnot provide.
– Daniel
Jun 4 '15 at 2:57
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windows下捕获dump之Google breakpad_client的理解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...队在chromium上做二次开发，使用的是进程内dump，没发现有问题。现在我安装的chrome浏览器，没发现有crash_server进程，估计要么是没抓dump，要么是进程内dump，我看到有文章说有一个GoogleCrashHandler.exe进程，但我这里没有发现，可能...
When to use volatile with multi threading?
...weakly-ordered memory might be a problem for this use-case: all real-world CPUs have coherent shared memory so volatile will work for this on real C++ implementations. But still don't do it.
Some discussion in comments seems to be talking about other use-cases where you would need something strong...
private final static attribute vs private final attribute
... class? Let's say for the calculator device with limited ram but plenty of CPU resources.
– Win Myo Htet
Jun 14 '13 at 21:29
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When should I use Lazy?
... I believe the main trade-off is between memory usage (lazy) and cpu usage (not-lazy). Because lazy has to do some extra book-keeping, InitLazy would use more memory than the other solutions. It also might have a minor performance hit on each access, while it checks whether it already has ...
How do I declare a 2d array in C++ using new?
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array[ index( x, y )]
Sad, I know. But you'll get used to it. And your CPU will thank you.
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...t seen any difference. It will only make a difference in apps that use the CPU heavily - games for example would see a benefit compiling for 64 bit.
– Robert J. Clegg
Mar 13 '14 at 19:27
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Why can't enum's constructor access static fields?
...e problem solved via a nested class. Pros: it's shorter and also better by CPU consumption. Cons: one more class in JVM memory.
enum Day {
private static final class Helper {
static Map<String,Day> ABBR_TO_ENUM = new HashMap<>();
}
Day(String abbr) {
this.a...