For multi-dimensional tensors, you compute the flat index from coordinates manually. For a tensor with shape [d0, d1, d2], the flat index of element [i, j, k] is (i * d1 * d2) + (j * d2) + k:
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The structural pressures are real. U.S. GDP per capita — still above $85,000, compared to China’s $13,000 — reflects a prosperity gap that will take decades to close. But per capita GDP is not the same as geopolitical weight. China’s economy grows at 5.2% per year, while America expands at around 2.1%. At those trajectories, the gap in total economic mass narrows every year.，详情可参考手游
Local Files: File system indexing
EM: 长期来看，我们将进入一个“极致丰饶（Radical Abundance）”的时代。我不倾向于叫它全民基本收入（UBI），我称之为“全民高收入（Universal High Income）”。因为当劳动成本归零，智能的成本降到极低，商品和服务的价格就会跌到只剩下“材料成本+电费”。任何人都能得到他们想要的东西，未来最好的医疗甚至基本是免费的，你也不需要为了退休去存钱。