added fine-tuning

data.py

@@ -2,9 +2,9 @@ import numpy as np
 import threading
 import queue
 
-def startDataWorker(dataset,encoding,batch_size,block_size):
+def startDataWorker(dataset,encoding,batch_size,block_size,chat):
     data_q = queue.Queue(maxsize=100)
-    t = threading.Thread(target=dataWorker, args=(data_q, dataset, encoding, batch_size, block_size), daemon=True)
+    t = threading.Thread(target=dataWorker, args=(data_q, dataset, encoding, batch_size, block_size,chat), daemon=True)
     t.start()
     while (1):
         try:
@@ -14,14 +14,22 @@ def startDataWorker(dataset,encoding,batch_size,block_size):
             continue
         yield (bx,by)
 
-def dataWorker(q, dataset, encoding, batch_size, block_size):
+def dataWorker(q, dataset, encoding, batch_size, block_size,chat):
     batch_x, batch_y = [], []
     while True:
-        for text in dataset["text"]:
-            tokens = encoding.encode(text)
-            for i in range(0, len(tokens)-block_size-1,block_size):
-                x = [encoding.bos_token_id] + tokens[i:i+block_size-1]
-                y = tokens[i:i+block_size]
+        for text in dataset:
+            tokens = None
+            if(chat):
+                txt = f"<|user|>{text['instruction']}"
+                if(text["input"] != None):
+                    txt += f"\n{text['input']}"
+                txt = txt + f"<|end|>\n<|assistant|>{text['output']}<|end|>"
+                tokens = [encoding.bos_token_id]+encoding.encode(txt)
+            else:
+                tokens = [encoding.bos_token_id]+encoding.encode(text["text"])
+            for i in range(0, len(tokens)-block_size+1,block_size):
+                x = tokens[i:i+block_size]
+                y = tokens[i+1:i+block_size+1]
 
                 if len(x) < block_size:
                     pad = len(x)-(block_size-1)

train.py

@@ -1,13 +1,14 @@
+from tinygrad.nn.state import get_state_dict,safe_load, load_state_dict
 from concurrent.futures import ThreadPoolExecutor
 from tinygrad import Tensor,TinyJit,Device,nn
-from tinygrad.nn.state import get_state_dict
-from model import Transformer
 from transformers import AutoTokenizer
 from datasets import load_dataset
+from model import Transformer
 from tqdm import tqdm
 import optm
 import data
 import log
+import sys
 
 hypr = {
     "embed_size":  512,
@@ -22,9 +23,15 @@ hypr = {
     "encoding":    "gpt2",
     "dataset":     "HuggingFaceTB/smollm-corpus",
     "subset":      "cosmopedia-v2",
+    "chat_dataset": "yahma/alpaca-cleaned",
+    "chat_subset":  None,
 }
 
 print(Device.DEFAULT)
+chat = len(sys.argv) > 1
+if(chat):
+    hypr["dataset"] = hypr["chat_dataset"]
+    hypr["subset"] = hypr["chat_subset"]
 
 #for loging
 loger = ThreadPoolExecutor(max_workers=2)
@@ -34,10 +41,14 @@ dataset = load_dataset(hypr["dataset"],
                        split="train",
                        streaming=True)
 encoding = AutoTokenizer.from_pretrained(hypr["encoding"])
+if encoding.pad_token_id == None:
+    encoding.pad_token_id=encoding.eos_token_id
 hypr["vocab_size"] = encoding.vocab_size
-model = Transformer(hypr["vocab_size"],hypr["embed_size"],hypr["n_heads"],hypr["n_blocks"],hypr["block_size"])
-batch = data.startDataWorker(dataset,encoding,hypr["batch_size"],hypr["block_size"])
+batch = data.startDataWorker(dataset,encoding,hypr["batch_size"],hypr["block_size"],chat)
 
+model = Transformer(hypr["vocab_size"],hypr["embed_size"],hypr["n_heads"],hypr["n_blocks"],hypr["block_size"])
+if (chat):
+    load_state_dict(model,safe_load(sys.argv[1]))
 params = nn.state.get_parameters(model)
 optimizer = optm.llmOptimizer(params,hypr["steps"],hypr["starting_lr"],hypr["minimum_lr"])
 
@@ -74,4 +85,6 @@ for steps in bar:
         #TODO non sycronus safetensor loging
         #loger.submit(log.logModel,steps,m)
 
+m = get_state_dict(model)
+log.logModel("final",m)
 loger.shutdown(wait=True)