python/pytorch compat notes (abetlen#44)

Author: wizzard0

README.md

@@ -136,6 +136,7 @@ ls ./models
 65B 30B 13B 7B tokenizer_checklist.chk tokenizer.model
 
 # install Python dependencies
+# preferred versions: python 3.10 (not 3.11), torch 1.13.1+
 python3 -m pip install torch numpy sentencepiece
 
 # convert the 7B model to ggml FP16 format

convert-pth-to-ggml.py

@@ -86,6 +86,7 @@ def get_n_parts(dim):
     if (p > 0):
         fname_out = sys.argv[1] + "/ggml-model-" + ftype_str[ftype] + ".bin" + "." + str(p)
 
+    # weights_only requires torch 1.13.1, remove this param or update if you get an "invalid keyword argument" error
     model = torch.load(fname_model, map_location="cpu", weights_only=True)
 
     fout = open(fname_out, "wb")