US Patent 8001206 Broadcasting data in a hybrid computing environment

Methods, apparatus, and products for broadcasting data in a hybrid computing environment that includes a host computer, a number of accelerators, the host computer and the accelerators adapted to one another for data communications by a system level message passing module, the host computer having local memory shared remotely with the accelerators, the accelerators having local memory for the accelerators shared remotely with the host computer, where broadcasting data according to embodiments of the present invention includes: writing, by the host computer remotely to the shared local memory for the accelerators, the data to be broadcast; reading, by each of the accelerators from the shared local memory for the accelerators, the data; and notifying the host computer, by the accelerators, that the accelerators have read the data.