The AMPM prefetcher detects memory access patterns from the bitmap-like data structure that is mapped to the accessed region. The hardware pattern matching ...
The pattern matching detects multiple memory access patterns in parallel and generates more prefetch requests than conventional prefetchers. The evaluation ...
The memory access pattern map contains the information on previous accesses for all addresses in the corresponding zone as a bitmap data structure. The entry of ...
A processor may implement an access map-pattern match (AMPM)-based prefetcher in which patterns may include wild cards for some cache blocks.
The AMPM prefetcher achieves high performance even when such aggressive optimizations are applied, and increases IPC by 32.4% compared to state-of-the-art ...
The AMPM prefetcher detects memory access patterns from the bitmap-like data structure that is mapped to the accessed region. The hardware pattern matching ...
The AMPM prefetcher has two key components: a memory access map and hardware pattern matching logic. The memory access map is a bitmap-like data structure for ...
Jun 12, 2009 · The pattern matching detects multiple memory access patterns in parallel and generates more prefetch requests than conventional prefetchers. The ...
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What is the difference between prefetch and cache?
How do I prefetch data to cache?
Once a stream is detected, all cache lines in the stream are prefetched sequentially, with no gaps in the pattern, possibly leading to excessive prefetch.
Access Map Pattern Matching. • JILP Data Prefetching Championship 2009. • Exhaustive search on a history, looking for regular patterns. – History stored as bit ...