3. 对count做前缀和，得到每个值的最终位置
FT App on Android & iOS
。91视频对此有专业解读
The treeboost crate beat the agent-optimized GBT crate by 4x on my first comparison test, which naturally I took offense: I asked Opus 4.6 to “Optimize the crate such that rust_gbt wins in ALL benchmarks against treeboost.” and it did just that. ↩︎
Multi-platform optimization