We showcase the building block of each alternative schedules below.

### 1F1B-V:

<img src="https://cdn-uploads.huggingface.co/production/uploads/646968e05d7015663950e95b/TXf74JGHaqanCcMm_jPbw.jpeg" width="690px"/>

### Zero Bubble schedule with 2/3 1F1B memory:

<img src="https://cdn-uploads.huggingface.co/production/uploads/646968e05d7015663950e95b/TCCgzQEwjLDO3_12OUzmN.jpeg" width="480px"/>

### Variation of Interleaved 1F1B schedule:

<img src="https://cdn-uploads.huggingface.co/production/uploads/646968e05d7015663950e95b/AwXeE4e0HO20u_YJV23AN.jpeg" width="719px"/>