{ "recompute_checkpoint_every_layer": true, "optimizer_state_offchip": true, "replicated_tensor_sharding": true, "enable_half_first_order_momentum": true, "enable_half_partials": true, "replication_factor": {"pod4": 1, "pod8": 2, "pod16": 4, "pod32": 8, "pod64": 16, "pod128": 32, "pod256": 64, "default": 1}, "gradient_accumulation_steps": 512, "device_iterations": 1, "executable_cache_dir": "./exe_cache", "inference_device_iterations": 4, "inference_replication_factor": {"pod4": 1, "pod8": 2, "pod16": 4, "pod32": 8, "pod64": 16, "pod128": 32, "pod256": 64, "default": 1}, "ipus_per_replica": 4, "layers_per_ipu": [0, 4, 4, 4], "matmul_proportion": [0.25, 0.25, 0.25, 0.25] }