Evaluate internel mandarin dataset (~12k hours)

[pkuyym]

Regular Dev (Randomly select 2000 examples)

Model	Decode Type	CER
Pass-4	Greedy	0.170827
Pass-5-8000	Greedy	0.181563
Continue-Pass-1 (About Pass-6)	Greedy	0.167423
Continue-Pass-3 (About Pass-8)	Greedy	0.168330
Continue-Pass-2 (About Pass-7)	Greedy	0.161796
Continue-8x-Pass-4-2000 (About Pass-9)	Greedy	0.167176

Aishell Test (Randomly select 2000 examples)

Model	Decode Type	CER
Pass-4	Beam Search (default)	0.301863
Pass-5-8000	Beam Search (default)	0.312483
Continue-Pass-1	Beam Search (default)	0.295325
Continue-Pass-1	Greedy	0.410359

[shanyi15]

您好，此issue在近一个月内暂无更新，我们将于今天内关闭。若在关闭后您仍需跟进提问，可重新开启此问题，我们将在24小时内回复您。因关闭带来的不便我们深表歉意，请您谅解~感谢您对PaddlePaddle的支持!
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