如果只看消费级 DDR5 6400 内存，想要买足 128GB 的确不是难事，所需开销仅仅一万元左右，但无论如何也达不到 614GB/s 的带宽。
unsigned long long j=1+bucket;
。关于这个话题，新收录的资料提供了深入分析
Every point gets examined, regardless of where it sits. Points on the opposite side of the map get the same treatment as points right next to the query region. We're doing a lot of unnecessary work.
onCommitFiberRoot(rendererID, root) {