Hello Users, I am using classic memory system with following DRAM controller parameters write_buffer_size = 64 write_high_thresh_perc = 85 write_low_thresh_perc = 50 min_writes_per_switch =18
According to write draining algorithm, the bus has to turn around to writes when the writeQueue.size() > writeHighThreshold. However when i run some memory intensive benchmarks, i get a high number of Write retry requests because the write queue is full, as reported in the gem5 statistics. # Number of times write queue was full causing retry system.mem_ctrls.numWrRetry 183731 I am not sure how this could happen, as the DRAM controller drain writes in a batch whenever the write queue size grows beyond the high threshold, which is only 85% of Write Buffer Size. Is this expected? Thanks, Prathap
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