Hi, The command line of such packet is ReadReq. The broadcast is on the bus between L1 and L2. Broadcast source is L2, but destinations are all snooping L1s. I see in bus.cc, such case is commented as "// Must be forwarded snoop up from below..." Could you explain it a little bit in detail?
Thanks, Chao Quoting Chao Chen <[email protected]>:
Hi, I find there are some broadcast packets in M5 interconnect. They have the same destinations are their source. I seems that in this case, the packets are deleted by source instead of memory or higher level cache. I could see a lot of this kinds of packets when simulating PARSEC benchmark but not any when running NAS benchmarks. Could anyone help explain what are these packets used for? Are they related with PARSEC hooks lib? Thanks, Chao
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