187- https://doi.org/10.1109/lca.2016.2577557
LazyPIM: An Efficient Cache Coherence Mechanism for Processing-in-Memory
- Jan 1, 2017
- IEEE Computer Architecture Letters
- Amirali Boroumand +8 more
Abstract
Processing-in-memory (PIM) architectures cannot use traditional approaches to cache coherence due to the high off-chip traffic consumed by coherence messages. We propose LazyPIM , a new hardware cache coherence mechanism designed specifically for PIM. LazyPIM uses a combination of speculative cache coherence and compressed coherence signatures to greatly reduce the overhead of keeping PIM coherent with the processor. We find that LazyPIM improves average performance across a range of PIM applications by 49.1 percent over the best prior approach, coming within 5.5 percent of an ideal PIM mechanism.
- # Processing-in-memory
- # Cache Coherence
- # Coherence Messages
- # Prior Approach
- # Combination Of Coherence
- # Range Of Applications
- # Hardware Cache Coherence
- # Cache Coherence Mechanism
- # Speculative Cache
- # Coherence Signatures
