new dataloading script alpha

src/datasets/batch.py

@@ -1,5 +1,6 @@
 
 from tqdm.auto import tqdm
+import torch
 from torch.utils.data import DataLoader
 from datasets.arrow_dataset import Dataset
 import hashlib
@@ -8,9 +9,10 @@ import numpy as np
 
 from src.datasets.hs import ExtractHiddenStates
 from src.helpers.typing import float_to_int16, int16_to_float
+from src.helpers.ds import ds_keep_cols
 
 
-def batch_hidden_states(model, tokenizer, data: Dataset, n=100, batch_size=2, mcdropout=True):
+def batch_hidden_states(model, tokenizer, data: Dataset, batch_size=2, mcdropout=True):
     """
     Given an encoder-decoder model, a list of data, computes the contrast hidden states on n random examples.
     Returns numpy arrays of shape (n, hidden_dim) for each candidate label, along with a boolean numpy array of shape (n,)
@@ -20,15 +22,16 @@ def batch_hidden_states(model, tokenizer, data: Dataset, n=100, batch_size=2, mc
     """
     ehs = ExtractHiddenStates(model, tokenizer)
     
-    ds_t_subset = data.select(range(n))
-    ds_t_subset.set_format(type='torch', columns=['input_ids', 'label', 'attention_mask'])
+    torch_cols = ['input_ids', 'attention_mask']
+    ds_t_subset = ds_keep_cols(data, torch_cols)
+    ds_t_subset.set_format(type='torch')
     
-    ds_p_subset = data.select(range(n))
-    ds_p_subset.set_format(type="pandas", columns=['lie', 'label', 'prompt', 'prompt_truncated'])
+    ds_p_subset = data.remove_columns(torch_cols)
+    # TODO check it has a few critical ones in
     
     dl = DataLoader(ds_t_subset, batch_size=batch_size, shuffle=False)
     for i, batch in enumerate(tqdm(dl, desc='get hidden states')):
-        input_ids, true_labels, attention_mask =  batch["input_ids"], batch["label"], batch["attention_mask"]
+        input_ids, attention_mask =  batch["input_ids"], batch["attention_mask"]
         nn = len(input_ids)
         index = i*batch_size+np.arange(nn)
         
@@ -50,57 +53,55 @@ def batch_hidden_states(model, tokenizer, data: Dataset, n=100, batch_size=2, mc
         for j in range(nn):
             # let's add the non torch metadata like label, prompt, lie, etc
             k = i*batch_size + j
-            info = ds_p_subset[k].iloc[0].to_dict()
-            
-            assert info['label']==true_labels[j].item(), 'these should line up'
+            info = ds_p_subset[k]
             
             yield dict(
-                hs0=float_to_int16(hs0['hidden_states'][j]),
+                # int16 makes our storage much smaller
+                hs0=float_to_int16(torch.from_numpy(hs0['hidden_states'][j])),
                 scores0=hs0["scores"][j],
                 
-                hs1=float_to_int16(hs1['hidden_states'][j]),
+                hs1=float_to_int16(torch.from_numpy(hs1['hidden_states'][j])),
                 scores1=hs1["scores"][j],                    
                 
-                label_b=true_labels[j].item(),
                 ds_index=index[j],
                 
                 **info
             )
 
 
-def md5hash(s: bytes) -> str:
-    return hashlib.md5(s).hexdigest()
+# def md5hash(s: bytes) -> str:
+#     return hashlib.md5(s).hexdigest()
 
-# unique hash
-def get_unique_config_hash(prompt_fn, model, tokenizer, data, N):
-    """
-    generates a unique name
+# # unique hash
+# def get_unique_config_hash(cfg, ds_name, split_type):
+#     """
+#     generates a unique name
     
-    datasets would do this use the generation kwargs but this way we have control and can handle non-picklable models and thing like the output of prompt functions if they change
+#     datasets would do this use the generation kwargs but this way we have control and can handle non-picklable models and thing like the output of prompt functions if they change
     
-    # """
-    example_prompt1 = prompt_fn("text", response=0, lie=True)
-    model_repo = model.config._name_or_path
+#     # """
+#     example_prompt1 = prompt_fn("text", response=0, lie=True)
+#     model_repo = model.config._name_or_path
     
-    kwargs = [str(model), str(tokenizer), str(data), str(prompt_fn.__name__), N]
-    key = pickle.dumps(kwargs, 1)
-    hsh = md5hash(key)[:6]
+#     kwargs = [str(model), str(tokenizer), str(data), str(prompt_fn.__name__), N]
+#     key = pickle.dumps(kwargs, 1)
+#     hsh = md5hash(key)[:6]
 
-    sanitize = lambda s:s.replace('/', '').replace('-', '_') if s is not None else s
-    # config_name = f"{sanitize(model_repo)}-N_{N}-ns-{hsh}"
+#     sanitize = lambda s:s.replace('/', '').replace('-', '_') if s is not None else s
+#     # config_name = f"{sanitize(model_repo)}-N_{N}-ns-{hsh}"
     
-    info_kwargs = dict(model_repo=model_repo, config=model.config, data=str(data), prompt_fn=str(prompt_fn.__name__), N=N, 
-                       example_prompt1=example_prompt1, 
-                       hsh=hsh)
+#     info_kwargs = dict(model_repo=model_repo, config=model.config, data=str(data), prompt_fn=str(prompt_fn.__name__), N=N, 
+#                        example_prompt1=example_prompt1, 
+#                        hsh=hsh)
     
-    return hsh, info_kwargs
+#     return hsh, info_kwargs
 
-sanitize = lambda s:s.replace('/', '').replace('_', '-') if s is not None else s
+# sanitize = lambda s:s.replace('/', '').replace('_', '-') if s is not None else s
 
-def ds_params2fname(dataset_params: dict) -> str:
-    prompt = sanitize(dataset_params['prompt_fmt'].__name__)
-    model_repo = sanitize(dataset_params['model_repo'].split('/')[-1])
-    dataset_name = sanitize(dataset_params['dataset_name'])
-    N = dataset_params['N']
-    N_SHOTS = dataset_params['N_SHOTS']
-    return f"model-{model_repo}_ds-{dataset_name}_{prompt}_N{N}_{N_SHOTS}shots_"
+# def ds_params2fname(dataset_params: dict) -> str:
+#     prompt = sanitize(dataset_params['prompt_fmt'].__name__)
+#     model_repo = sanitize(dataset_params['model_repo'].split('/')[-1])
+#     dataset_name = sanitize(dataset_params['dataset_name'])
+#     N = dataset_params['N']
+#     N_SHOTS = dataset_params['N_SHOTS']
+#     return f"model-{model_repo}_ds-{dataset_name}_{prompt}_N{N}_{N_SHOTS}shots_"