Comparison of Python nndex to numpy on test workloads.topk_overlap measures result matches (perfect match) and max_similarity_abs_delta measure the largest difference between calculated cosine similarities (effectively zero).
https://privacy-screen.vercel.app/
，详情可参考夫子
int compareCount = 0;，详情可参考搜狗输入法2026
其中白色是广角像素、蓝色是窄角像素，转动屏幕，窄角像素就看不见了。
输出：[4,2,4,-1,4]（最后一个 3 绕一圈找到 4）