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(Updated Oct. 19, 2015, 3:08 p.m.) Review request for Default. Repository: gem5 Description (updated) ------- Changeset 11176:3a4d9e14ae5d --------------------------- mem: Order packet queue only on matching addresses Instead of conservatively enforcing order for all packets, which may negatively impact the simulated-system performance, this patch updates the packet queue such that it only applies the restriction if there are already packets with the same address in the queue. The basic need for the order enforcement is due to coherency interactions where requests/responses to the same cache line must not over-take each other. We rely on the fact that any packet that needs order enforcement will have a block-aligned address. Thus, there is no need for the queue to know about the cacheline size. Diffs (updated) ----- src/mem/packet_queue.hh 3a4d1b5cd05c src/mem/packet_queue.cc 3a4d1b5cd05c Diff: http://reviews.gem5.org/r/3153/diff/ Testing ------- Thanks, Andreas Hansson _______________________________________________ gem5-dev mailing list gem5-dev@gem5.org http://m5sim.org/mailman/listinfo/gem5-dev
