OpenMP

ディレクティブ (Directives)

Directive	Description
atomic	Specifies that a memory location that will be updated atomically.
barrier	Synchronizes all threads in a team; all threads pause at the barrier, until all threads execute the barrier.
critical	Specifies that code is only executed on one thread at a time.
flush	Specifies that all threads have the same view of memory for all shared objects.
for	Causes the work done in a for loop inside a parallel region to be divided among threads.
master	Specifies that only the master threadshould execute a section of the program.
ordered	Specifies that code under a parallelized for loop should be executed like a sequential loop.
parallel	Defines a parallel region, which is code that will be executed by multiple threads in parallel.
sections	Identifies code sections to be divided among all threads.
single	Lets you specify that a section of code should be executed on a single thread, not necessarily the master thread.
threadprivate	Specifies that a variable is private to a thread.

#pragma omp parallel [clauses]
{
    code_block
}

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