[2025秋季][T1-1-4] PPPoint-t #917
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描述
Infinicore赛题T1-1-4: 算子sum,topk,var,var_mean,all。GPU使用ninetoothed实现,ntops仓库pr地址。记录
topk因ntl.sort不支持同时返回索引,暂用迭代选择法实现var、var_mean若使用welford方法效果应该更好,暂用two-pass来实现all算子的GPU实现中,若out是不连续输出的使用copy_时会有问题,copy后仍无法对齐,不连续输出的测例无法通过测试截图