Extensions for parallelism
The C++ Extensions for Parallelism, ISO/IEC TS 19570:2015 defines the following new components for the C++ standard library:
Contents |
[edit] Execution policies
The parallelism TS describes three execution policies: sequential, parallel, and parallel+vector, and provides corresponding execution policy types and objects. Users may select an execution policy statically by invoking a parallel algorithm with the an execution policy object of the corresponding type, or dynamically by using the type-erasing execution_policy class.
Implementations may define additional execution policies as an extension. The semantics of parallel algorithms invoked with an execution policy object of implementation-defined type is implementation-defined.
| Defined in header
<experimental/execution_policy> | |
| execution policy types (class) | |
| global execution policy objects (constant) | |
| dynamic execution policy (class) | |
| test whether a class represents an execution policy (class template) | |
[edit] Exception lists
| Defined in header
<experimental/exception_list> | |
| exceptions raised during parallel executions (class) | |
[edit] Parallelized versions of existing algorithms
The TS provides parallelized versions of the following 69 algorithms from <algorithm>, <numeric> and <memory>:
| Standard library algorithms for which parallelized versions are provided |
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