diff --git a/README.md b/README.md
index d2042ff..9870fed 100644
--- a/README.md
+++ b/README.md
@@ -172,35 +172,30 @@ On TPU pods, the command is:
 ## Model Configurations
 
 - _B_: batch_size
-- _K_: d_k
-- _V_: d_v
-- _F_: d_ff
-- _M_: d_model
-- _R_: n_rep_kv
-- _H_: n_heads_kv
 - _L_: seq_len
 - _S_: src_seq_len
 - _D_: dst_seq_len
 - _C_: vocab_size
 - _N_: n_layers
+- _K_: d_k
+- _V_: d_v
+- _H_: n_heads_kv
+- _R_: n_rep_kv
+- _M_: d_model
+- _F_: d_ff
 
-| Name | Parameters | _C_ | _N_ | _H_ | _R_ | _M_ | _F_ |
-| :-: | :-: | :-: | :-: | :-: | :-: | :-: | :-: |
-| LLaMA 1 7B | 6738415616 | 32000 | 32 | 32 | 1 | 4096 | 11008 |
-| LLaMA 1 13B | | 32000 | 40 | 40 | 1 | 5120 | |
-| LLaMA 1 33B | | 32000 | 60 | 52 | 1 | 6656 | |
-| LLaMA 1 65B | | 32000 | 80 | 64 | 1 | 8192 | |
-| Llama 2 7B | 6738415616 | 32000 | 32 | 32 | 1 | 4096 | 11008 |
-| Llama 2 13B | | 32000 | | | | | |
-| Llama 2 70B | | 32000 | 80 | 8 | 8 | 8192 | 28672 |
+| Name | Parameters | _C_ | _N_ | _K_/_V_ | _H_ | _R_ | _M_ | _F_ |
+| -: | -: | -: | -: | -: | -: | -: | -: | -: |
+| LLaMA 1 7B | 6738415616 | 32000 | 32 | 128 | 32 | 1 | 4096 | 11008 |
+| Llama 2 7B | 6738415616 | 32000 | 32 | 128 | 32 | 1 | 4096 | 11008 |
+| LLaMA 1 13B |  | 32000 | 40 |  | 40 | 1 | 5120 |  |
+| Llama 2 13B | 13015864320 | 32000 | 40 | 128 | 40 | 1 | 5120 | 13824 |
+| LLaMA 1 33B |  | 32000 | 60 |  | 52 | 1 | 6656 |  |
+| LLaMA 1 65B |  | 32000 | 80 |  | 64 | 1 | 8192 |  |
+| Llama 2 70B | 68976648192 | 32000 | 80 | 128 | 8 | 8 | 8192 | 28672 |
 
 ```
-  n_parameters
-= 2 * vocab_size * d_model
-+ (2 * n_layers + 1) * d_model
-+ 2 * n_layers * d_model * n_rep_kv * n_heads_kv * d_k
-+ 2 * n_layers * d_model * n_heads_kv * d_k
-+ 3 * n_layers * d_model * d_ff
+n_params = 2CM + (2N + 1)M + 2NMRHK + 2NMHK + 3NMF
 ```
 
 ## Model Architecture
diff --git a/evaluate.py b/evaluate.py
index 7915da5..28d42d4 100644
--- a/evaluate.py
+++ b/evaluate.py
@@ -21,7 +21,7 @@ def main() -> None:
     if is_process_0:
         jax_smi.initialise_tracking(interval=0.5)
 
-    key = rand.PRNGKey(BEST_INTEGER)
+    key = rand.key(BEST_INTEGER)
     max_len = 640
     batch_size = 2
     seed = HASHED_BUDDHA
diff --git a/generate.py b/generate.py
index 48e8717..a32fbce 100644
--- a/generate.py
+++ b/generate.py
@@ -30,7 +30,7 @@ def main() -> None:
         print(jax.devices)
     initialise_tracking()
 
-    key = rand.PRNGKey(BEST_INTEGER)
+    key = rand.key(BEST_INTEGER)
     cpu_device = jax.devices('cpu')[0]
     with jax.default_device(cpu_device):
         params = load_params('llama2-7B.pickle')
diff --git a/scripts/determine_params.py b/scripts/determine_params.py
new file mode 100644
index 0000000..d97746e
--- /dev/null
+++ b/scripts/determine_params.py
@@ -0,0 +1,28 @@
+from pathlib import Path; import sys; sys.path.append(str(Path(__file__).resolve().parent.parent))
+from lib.proc_init_utils import initialise_cpu; initialise_cpu()
+
+from transformers import LlamaForCausalLM
+
+model = LlamaForCausalLM.from_pretrained('meta-llama/Llama-2-7b-hf')
+
+q_size = model.model.layers[0].self_attn.q_proj.weight.shape[0] * model.model.layers[0].self_attn.q_proj.weight.shape[1]
+k_size = model.model.layers[0].self_attn.k_proj.weight.shape[0] * model.model.layers[0].self_attn.k_proj.weight.shape[1]
+
+c = model.model.embed_tokens.weight.shape[0]
+f = model.model.layers[0].mlp.gate_proj.weight.shape[0]
+m = model.model.layers[0].mlp.gate_proj.weight.shape[1]
+n = len(model.model.layers)
+r = q_size // k_size
+h = model.config.num_attention_heads // r
+k = q_size // m // h
+
+n_params = sum(x.numel() for x in model.parameters())
+
+print('C', c)
+print('N', n)
+print('K', k)
+print('H', h)
+print('R', r)
+print('M', m)
+print('F', f)
+print('n_params', n_params)
diff --git a/train.py b/train.py
index ba22387..ecad983 100644
--- a/train.py
+++ b/train.py
@@ -30,7 +30,7 @@
 def load_params_from_disk(path: str) -> Llama:
     cpu_device = jax.devices('cpu')[0]
     with jax.default_device(cpu_device):
-        # params = init_llama(key=rand.PRNGKey(42), model_config=model_config_dummy)
+        # params = init_llama(key=rand.key(42), model_config=model_config_dummy)
         params = load_params(path)
     params = shard_model_params(params)
     return params
@@ -52,8 +52,8 @@ def save_params_to_disk() -> None:
 
 def save_params_signal_handler(signum, frame):
     save_params_to_disk()
-    print(f'Signal {signum} received. Params have been saved to disk.')
-    exit(0)
+    print(f'Signal {signum} received. Model params have been successfully saved to disk.')
+    exit(-1)
 
 @jax.value_and_grad
 def train_forward(params: Llama, data_batch: TrainData, *, key: Array):
@@ -89,7 +89,7 @@ def main() -> None:
     if is_process_0:
         wandb.init(project='llama-finetuning-gsm', config=dict(learning_rate=lr, batch_size=batch_size * n_accumulation_steps, n_epochs=n_epochs, optimiser='adamw'))
 
-    key = rand.PRNGKey(seed)
+    key = rand.key(seed)
     tokenizer = LlamaTokenizer.from_pretrained('meta-llama/Llama-2-7b-hf')
     dataset = GSMDataset(split='train')
     collate_fn = partial(gsm_collate_fn_train, tokenizer, max_len)