FIELD: physics, computer engineering.
SUBSTANCE: invention relates to a data processing apparatus and a method of switching a workload between first and second processing circuitry. The data processing apparatus has first processing circuitry which is architecturally compatible with second processing circuitry, but with the first processing circuitry being micro-architecturally different from the second processing circuitry. During handover operation, the switch controller is enables to cause the source processing circuitry to make its current architectural state available to the destination processing circuitry, the current architectural state being that state which is not available from shared memory at a time the handover operation is initiated, and which is necessary for the destination processing circuitry to successfully take over performance of the workload from the source processing circuitry.
EFFECT: high efficiency of using power by a data processing apparatus.
20 cl, 19 dwg
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