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深度学习调参新思路:Hyperband早停机制提升搜索效率 这个怎么样
Hyperband是机器学习中一个相当实用的超参数调优算法,核心思路是用逐次减半来分配计算资源。说白了就是让一堆配置先跑几轮,表现差的直接踢掉,剩下的继续训练更多轮次。 这个方法的巧妙之处在于平衡了探索和利用。你既要试足够多的配置组合(探索 ...
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