if (n <= 1) return;
Fixed/sinusoidal positional encodings are not counted (following the original Transformer paper convention)
，这一点在safew官方版本下载中也有详细论述
-c:a libmp3lame \
// 优化点：仅i<len时赋值（避免重复赋值，提升效率）
Liverpool’s title win last season fuelled by Premier League’s highest wage bill
· 朱文 · 来源：tutorial资讯