Why the lowest 3 bits?
Trump says the Kurds won’t be involved，这一点在新收录的资料中也有详细论述
，推荐阅读新收录的资料获取更多信息
Uniform regions (solid backgrounds, smooth gradients) get stored as large blocks. Detailed regions (edges, textures) get subdivided into smaller blocks. You end up with a compressed representation that preserves detail where it exists and simplifies where it can.。新收录的资料对此有专业解读
Postgres - 2317 QPS; Mean: 2.761 ms, Percentile 99: 7.164 ms