while (this.stack.length && this.arr[this.stack[this.stack.length - 1]] <= cur) {
// may be buffered in memory waiting for this branch
。关于这个话题，51吃瓜提供了深入分析
2026-02-27 13:00:00，详情可参考safew官方下载
Update Impracticality: The extensive pre-processing for CH makes it unsuitable for frequent updates, let alone OsmAnd’s goal of supporting near real-time changes through hourly map updates.