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How do I choose grid and block dimensions for CUDA kernels?
This is a question about how to determine the CUDA grid, block and thread sizes. This is an additional question to the one posted here .
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How can I add reflection to a C++ application?
...field data at that index. Then it passes the field data on to the user-provided visitor:
struct field_visitor
{
template<class C, class Visitor, class I>
void operator()(C& c, Visitor v, I)
{
v(reflector::get_field_data<I::value>(c));
}
};
template<class...
How to get current memory usage in android?
...r app. To measure what your APP is doing, and is PERMITTED to do, Use android developer's answer.
Android docs - ActivityManager.MemoryInfo
parse /proc/meminfo command. You can find reference code here: Get Memory Usage in Android
use below code and get current RAM:
MemoryInfo mi = new MemoryI...
Why is it bad practice to call System.gc()?
...
The reason everyone always says to avoid System.gc() is that it is a pretty good indicator of fundamentally broken code. Any code that depends on it for correctness is certainly broken; any that rely on it for performance are most likely broken.
You don't know ...
Pointers vs. values in parameters and return values
...ere are various ways to return a struct value or slice thereof. For individual ones I've seen:
4 Answers
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Maven parent pom vs modules pom
... makes sense to mutualize things"). And anyway, child poms can always override inherited settings.
How do the maven-release plugin, hudson and nexus deal with how you set up your multi-projects (possibly a giant question, it's more if anyone has been caught out when by how a multi-project bui...
What do (lambda) function closures capture?
... Python and I came around something peculiar in the way closures work. Consider the following code:
6 Answers
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Dependency Inject (DI) “friendly” library
...s. Of course, those high-level functions will be implemented using the SOLID class design principles as much as possible. As such, there will probably be classes intended for consumers to use directly on a regular basis, and "support classes" that are dependencies of those more common "end user" c...
std::vector performance regression when enabling C++11
...me optimization (I also pass the -flto flag to gcc 4.7.2), the results are identical:
(I am compiling your original code, with container.push_back(Item());)
$ g++ -std=c++11 -O3 -flto regr.cpp && perf stat -r 10 ./a.out
Performance counter stats for './a.out' (10 runs):
35.426...
Java 8 Streams: multiple filters vs. complex condition
...le filter invocation using a lambda expression with &&.
But, as said, this kind of overhead will be eliminated by the HotSpot optimizer and is negligible.
In theory, two filters could be easier parallelized than a single filter but that’s only relevant for rather computational intense ta...