diff options
Diffstat (limited to 'convert-lora-to-ggml.py')
| -rw-r--r-- | convert-lora-to-ggml.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/convert-lora-to-ggml.py b/convert-lora-to-ggml.py index 8a2085c2..9090e8d6 100644 --- a/convert-lora-to-ggml.py +++ b/convert-lora-to-ggml.py @@ -49,7 +49,12 @@ def translate_tensor_name(t: str) -> str: def write_file_header(fout: TextIO, params: Dict[str, Any]) -> None: fout.write(b"ggla"[::-1]) # magic (ggml lora) fout.write(struct.pack("i", 1)) # file version - fout.write(struct.pack("ii", params["r"], params["lora_alpha"])) + fout.write(struct.pack("i", params["r"])) + # https://opendelta.readthedocs.io/en/latest/modules/deltas.html says that `lora_alpha` is an int + # but some models ship a float value instead + # let's convert to int, but fail if lossless conversion is not possible + assert int(params["lora_alpha"]) == params["lora_alpha"], "cannot convert float to int losslessly" + fout.write(struct.pack("i", int(params["lora_alpha"]))) def write_tensor_header( @@ -89,7 +94,7 @@ if params["peft_type"] != "LORA": print(f"Error: unsupported adapter type {params['peft_type']}, expected LORA") sys.exit(1) -if params["fan_in_fan_out"] == True: +if params["fan_in_fan_out"] is True: print("Error: param fan_in_fan_out is not supported") sys.exit(1) |