另外一种解决的办法是non-blocking cache,这正是本文提出的方法。这种方法的关键是加速器可以允许一定数量的cache miss。Cache miss不会阻塞对后面数据的获取。这就要求前后的数据没有依赖关系,而且允许的cache miss数量足够多,能够允许在这些时间可以从DDR中获取miss的数据,否则一样会造成加速器等待喂数。 图1.3 non...
网络非阻塞式缓存 网络释义 1. 非阻塞式缓存 缓存线长32字节,均为非阻塞式缓存(non-blockingcache),即在缓存访问产生未命中(cachemiss),且这个未命中没有被 … tw.myblog.yahoo.com|基于 1 个网页
- a Blocking Cache will not accept any more request until the miss is taken care of.- a Non-blocking cache will accept further requests and try to service those requests. Now the additional requests may also hit or miss. A "hit-under-X-misses" cache will allow X number of misses to ...
- a Non-blocking cache will accept further requests and try to service those requests. Now the additional requests may also hit or miss. A "hit-under-X-misses" cache will allow X number of misses to be outstanding in the cache before blocking. For example, a"hit-under-2-misses" cache ...
The cache module can be configured to store data items in slots of a cache structure, receive a request for an individual data item that maps to an individual slot of the cache structure, and, when the individual slot of the cache structure is not available, return without further processing...
The system contains a non-blocking cache with four input ports, connected to four sparse matrix-vector accelerators. The ARM processor: reads the input data -- sparse matrices and dense vectors -- from the SD card writes it to the DDR (vector to the PL DDR, all the rest to the PS ...
缓存I/O 又被称作标准 I/O,大多数文件系统的默认 I/O 操作都是缓存 I/O。在 Linux 的缓存 I/O 机制中,操作系统会将 I/O 的数据缓存在文件系统的页缓存( page cache )中,也就是说,数据会先被拷贝到操作系统内核的缓冲区中,然后才会从操作系统内核的缓冲区拷贝到应用程序的地址空间。
While a load miss is being resolved by the cache controller, i.e. while the load miss is pending in the cache, the processor is free to execute instructions following the load for as long as these instructions do not need the data returned by the load. Depending on the cache architecture...
Cache失效时仍允许CPU进行其他的命中访问。即允许“失效下命中” 进一步提高性能:多重失效下命中存储器必须能够处理多个失效 重叠失效个数对平均访问时间的影响 进一步的优化策略包括“多个未命中下的命中”和“未命中下的未命中”。这些策略允许处理器即便在面对多个未命中请求时,也能够继续访问数据。然而,这些优化措施...
Thread safe in-memory LRU cache with non-blocking cache priming on cache misses. - bep/lazycache