Make CLM config default

ipu_config.json

@@ -1,19 +1,19 @@
 {
-  "embedding_serialization_factor": 0,
+  "embedding_serialization_factor": 5,
   "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, "default": 1},
+  "replication_factor": {"pod4": 0, "pod8": 1, "pod16": 2, "pod32": 4, "pod64": 8, "default": 1},
   "device_iterations": 2,
-  "inference_replication_factor": {"pod4": 1, "pod8": 2, "pod16": 4, "pod32": 8, "pod64": 16, "default": 1},
-  "inference_device_iterations": 4,
+  "inference_replication_factor": {"pod4": 0, "pod8": 1, "pod16": 2, "pod32": 4, "pod64": 8, "default": 1},
+  "inference_device_iterations": 9,
   "gradient_accumulation_steps": 16,
   "executable_cache_dir": "./exe_cache",
 
-  "ipus_per_replica": 4,
-  "layers_per_ipu": [3, 7, 7, 7],
-  "matmul_proportion": [0.15, 0.12, 0.15, 0.2]
+  "ipus_per_replica": 8,
+  "layers_per_ipu": [0, 3, 3, 3, 3, 4, 4, 4],
+  "matmul_proportion": 0.25
 }