FB 最近的 ConvNeXt 看起来满强的，实验结果能打 ViT/SwinTransfomer，纯ConvNet 结构，在 MLP-Mixer 之后我越来越觉得在经历一段军备竞赛之后终于回到似乎是回到对结构探索的正确道路上。从算力有限时代的 MLP 到快速又符合直觉的ConvNet滤波计算，出现瓶颈并拥有更多的算力后再去看曾经的结构总是有不一样的启发。不知道下一次能看到像 ResNet 一样留下普世启发的结构是什么时候。https://github.com/facebookresearch/ConvNeXt
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Importantly, that investor viewpoint is not new. It cycles in when conditions are right (and vice versa). It also brings the ineffective warnings of an overpriced market with it.Looking toward a good 2022 stock market, there is no apparent reason to expect these issues to change.
The S&P 500 slumped 1.8% on Monday and Tuesday, thanks to China Evergrande, the Chinese property company that looks like it is ready to default on its more-than $300 billion in debt. Cries of the next Lehman Brothers—or maybe the next Silverado?—echoed through the canyons of Wall Street as investors prepared for the worst.
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