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Building Heterogeneous Unified Virtual Memories (UVMs) without the Overhead
2016
ACM Transactions on Architecture and Code Optimization (TACO)
This work proposes a novel scheme to facilitate heterogeneous systems with unified virtual memory. Research proposals, implement coherence protocols for sequential consistency (SC) between CPU cores, and between devices. Such mechanisms introduce severe bottlenecks in the system; therefore, we adopt the heterogeneous-race-free (HRF) memory model. The use of HRF simplifies the coherency protocol and the GPU memory management unit (MMU). Our protocol optimizes CPU and GPU demands separately, with
doi:10.1145/2889488
fatcat:cx5535ifhfgnxe3yocrc6h77sq