for_each(execution::par_unseq, begin(v), end(v), [](double& x) { x *= 2.0; }); 该算法由nvc++ compiler和-stdpar option编译,在 GPU 上执行。根据编译器、编译器选项和并行算法的实现,还可以在多核 CPU 或其他类型的加速器上获得多线程执行。 此示例使用通用的for_each算法,该算法以函数对象...
修改元素的值或应用一个自定义函数等等。在 C++ 标准库中，std::for_each() 算法函数提供了一种方便...
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Sets the directory for temporary files to dir. Without this option, temporary files go into /tmp. 4.3.44 -Xtime=a Reports the execution time for each lint pass. a can be either yes or no. The default is -Xtime=no. Specifying -Xtime is equivalent to specifying -Xtime=yes. ...
Issue a stack trace if a severe error occurs in execution. The -traceback option causes the executable to issue a stack trace to stderr, dump core, and exit if certain signals are generated by the program. If multiple threads generate a signal, a stack trace will only be produced for ...
making your programs when compiled to native code as hard to reverse engineer as if they were written in C/C++. JCGO consists of the following parts: the translator executables (one for every supported development platform), the JCGO-specific part of the Java runtime environment, the JCGO-...
After the instrumented interpreter is built, the Makefile will run a training workload. This is necessary in order to profile the interpreter's execution. Note also that any output, both stdout and stderr, that may appear at this step is suppressed. ...
std::vector<int> v; v.push_back(1); // Prefer initializing using brace initialization. v.push_back(2); std::vector<int> v = {1, 2}; // Good -- v starts initialized. 注意:如果变量是一个对象,它的构造函数在每次进入作用域并被创建时都会被调用,而它的析构函数在每次超出作用域时都会...
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This generates an executable calledexample, which can be executed normally. If you wish to take advantage of multiprocessor execution, seeB.2.75-xautopar. 3.2 Parallelizing for OpenMP You can compile your code sothat itcomplies with the OpenMP specification. For more information on the OpenMP API...