const loader = new FontLoader();
在大厂的围剿之下，昔日“AI六小龙”早已奔向各自的细分赛道，“能力”成为了AI竞争中最具价值的属性，月之暗面也需要更明确自己能为用户做什么，而不仅仅只是聊天工具。
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Virtual memory is conceptually simple but potentially devastating to performance. Every memory access must go through segmentation (add segment base, check limit) and then paging (look up the page table). Naively, paging alone requires two additional memory reads per access -- one for the page directory entry, one for the page table entry.
swap(&arr[low], &arr[j]);