CHIPSET SUPPORT FOR NON-UNIFORM MEMORY ACCESS AMONG HETEROGENEOUS PROCESSING UNITS

摘要

PPROBLEM TO BE SOLVED: To provide a method for enabling a first processor to access a memory associated with a second processor. PSOLUTION: The method includes: a step of receiving a first address map that includes an MMIO aperture for a NUMA (non-uniform memory access) device from the first processor; a step of receiving a second address map that includes MMIO apertures for hardware devices from the second processor; a step of generating a global address map by combining the first and second address maps; a step of receiving an access request transmitted from the first processor to the NUMA device; a step of generating a memory access request based on the first access request and a conversion table; and a step of routing the memory access request to the memory based on the global address map. PCOPYRIGHT: (C)2010,JPO&INPIT