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关于编译反馈信息,有一些疑问求解答

;* Mem bank conflicts/iter(est.) : { min 0.000, est 0.250, max 1.000 }
;* Mem bank perf. penalty (est.) : 5.9%
;*
;* Effective ii : { min 4.00, est 4.25, max 5.00 }
;*
;*
;* Total cycles (est.) : 12 + min_trip_cnt * 4 = 8204

请问:

1、“Mem bank conflicts/iter(est.)”和“Mem bank perf. penalty (est.)”是什么意思?在哪个文档上能找到详细的说明?

2、这些信息中的“min”、“est”、“max”分别是如何计算的?“est”是什么意思?

3、“12 + min_trip_cnt * 4”中的12代表的是哪个阶段?

谢谢!