ipu_config.json

{
    "layers_per_ipu": [0, 8, 8, 0],
    "inference_layers_per_ipu": [0, 8, 8, 0],
    "embedding_serialization_factor": null,
    "serialized_embedding_splits_per_ipu": [4, 4, 0, 0],
    "projection_serialization_factor": 4,
    "matmul_proportion": 0.25,
    "inference_matmul_proportion": 0.6,                                                                                         
    "recompute_checkpoint_every_layer": true,                                                                                    
    "optimizer_state_offchip": true,
    "replicated_tensor_sharding": true,
    "device_iterations": 10,                                                                                                      
    "gradient_accumulation_steps": 128,
    "executable_cache_dir": "./exe_cache"                                                                                       
}