Hi Chunfeng, Can you be more specific about “the buffer” you are referring to?
Also, “routing creating deadlock” sounds more like a routing and/or topology issue than a micro-architecture issue. Introducing a bubble as a deadlock avoidance countermeasure sounds like a slippery option. If you can assert that it is what you need, though, you should have sufficient knowledge of Garnet to locate the offending buffer and identify the condition that requires such a bubble to be inserted. Then you can implement this change yourself in Garnet’s code. Do not hesitate to ask for help if you are facing issue in the process. Regards, Gabriel
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