A shared write back buffer for storing data from a data cache to be written back to memory. The shared write back buffer includes a plurality of ports, each port being associated with one of a plurality of processing units. All processing units in the plurality share the write back buffer. The shared...http://www.google.com.tw/patents/US6401175?utm_source=gb-gplus-share專利 US6401175 - Shared write buffer for use by multiple processor units
