Get ava GPT chatbot prototype working

Mostly thid required packaging up some deps, but also had to recompile
stuff with cuda support.

1 files changed, 38 insertions, 15 deletions

diff --git a/ava.py b/ava.py
index 6ca3a3e..1f08241 100755
--- a/ava.py
+++ b/ava.py
@@ -1,25 +1,48 @@
 #!/usr/bin/env python
-import transformers import AutoModelWithLMHead, AutoTokenizer, TextGenerator
+import transformers
+import torch
+import sys
 # import sleekxmpp
 
-model_name = "gpt-neox-20b"
 
-model = AutoModelWithLMHead.from_pretrained(model_name)
-tokenizer = AutoTokenizer.from_pretrained(model_name)
-generator = TextGenerator(model=model, tokenizer=tokenizer)
+#model_name = "EleutherAI/gpt-neox-20b"
+model_name = "EleutherAI/gpt-j-6B"
 
-def generate_response(input_text):
-  response = model.generate(
-    input_ids=input_text,
-    max_length=1024,
-    temperature=0.7,
-  )
-  return response
+if torch.cuda.is_available():
+    device = "cuda:0"
+else:
+    raise ValueError("no cuda")
+
+tokenizer = transformers.AutoTokenizer.from_pretrained(model_name)
+model = transformers.AutoModelForCausalLM.from_pretrained(
+  model_name,
+  device_map="auto",
+  load_in_8bit=True,
+  pad_token_id=tokenizer.eos_token_id,
+  revision="float16",
+  torch_dtype=torch.float16,
+  low_cpu_mem_usage=True,
+)
+
+# set attention_mask and pad_token_id
+
+def gen(txt):
+    input_ids = tokenizer(txt, return_tensors="pt").input_ids.to('cuda')
+    outputs = model.generate(
+      input_ids=input_ids,
+      max_length=1024,
+      temperature=0.7,
+    )
+    result = tokenizer.batch_decode(outputs, skip_special_tokens=True)
+    result = "".join(result)
+    return result
 
 # Get user input and generate a response
-user_input = input("User: ")
-response = generate_response(user_input)
-print("Bot: ", response)
+while True:
+    user_input = input("ben: ")
+    response = gen(user_input)
+    print("bot: ", response)
+
 
 """
 # Set up the XMPP client