ipu_config.json

{
    "optimizer_state_offchip": false,
    "replicated_tensor_sharding": true,
    "enable_half_partials": true,
    "recompute_checkpoint_every_layer": false,
    "device_iterations": 1,
    "inference_device_iterations": 4,
    "replication_factor": 1,
    "inference_replication_factor": 1,
    "gradient_accumulation_steps": 32,
    "executable_cache_dir": "./exe_cache",
    "ipus_per_replica": 4,
    "layers_per_ipu": [6, 5, 5, 7],
    "matmul_proportion": [0.2, 1.0, 1.0, 1.0]
}