The Cortex-A55 scheduling model is used for -mcpu=generic, meaning it can have a wider effect than just the A55. The changes to the A55 scheduling model seems to have caused performance regressions on Cortex-A510 device which have latencies closer to the original and different forwarding paths. This partially reverts the changes from D117003, at least until we can do something to improve Cortex-A510. According to my results, this improves the A510 results without altering the A55 very much. |
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