{
    "embedding_serialization_factor": 1,
    "recompute_checkpoint_every_layer": false,
    "optimizer_state_offchip": true,
    "replicated_tensor_sharding": true,
    "enable_half_partials": true,
    "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": 8,
    "layers_per_ipu": [4,5,3,4,4,4,4,5],
    "matmul_proportion": [0.2,0.2,0.1,0.1,0.1,0.1,0.1,1.0]  
}