Terminology

• Device: is the execution unit which can be either host or target.
• Host device: is the device on which the OpenMP programs begin execution.
• Target Device: the target device is the device that some regions of code can be offloaded to.
• Device data environment: creates a scope and initializes data environment associated with a target data or target region.
• Mapped variable: is the original variable in a host data environment which maps to a corresponding variable in a target device data environment.
• Original variable: the variable on the host device

• Corresponding variable: the variable on the target device