If your dataloader is too slow to keep up with your model running on Cerebras Wafer-Scale Cluster, you’ll see the following warning message
WARNING: Input starvation detected Please check dataloader throughput
If the problem persists, the following error will be thrown
ERROR: Declaring stall due to input starvation, no change in status for 630 secs
This error means that the model is too fast compared to the speed of your dataloader. Therefore you will need to rethink how you can speed up your data pipeline. Visit the section Creating Custom Dataloaders for CS-2 that includes:
Examples on how to convert dataloaders that already work on GPUs
Best practices to improve the performance of your dataloaders.