Preliminary HF GPTQ changes

This commit is contained in:
Henk
2023-08-21 01:58:52 +02:00
parent 6f557befa9
commit 3dd0e91fbb
2 changed files with 32 additions and 30 deletions

View File

@@ -57,18 +57,19 @@ class model_backend(HFTorchInferenceModel):
temp = json.load(f)
else:
temp = {}
requested_parameters.append({
"uitype": "dropdown",
"unit": "text",
"label": "Quantization",
"id": "quantization",
"default": temp['quantization'] if 'quantization' in temp else '4bit' if dependency_exists else '16-bit',
"tooltip": "Whether or not to use BnB's 4-bit or 8-bit mode",
"menu_path": "Layers",
"children": [{'text': '4-bit', 'value': '4bit'}, {'text': '8-bit', 'value': '8bit'}, {'text': '16-bit', 'value':'16-bit'}],
"extra_classes": "",
"refresh_model_inputs": False
})
if not hasattr(self.model_config, 'quantization_config'):
requested_parameters.append({
"uitype": "dropdown",
"unit": "text",
"label": "Quantization",
"id": "quantization",
"default": temp['quantization'] if 'quantization' in temp else '4bit' if dependency_exists else '16-bit',
"tooltip": "Whether or not to use BnB's 4-bit or 8-bit mode",
"menu_path": "Layers",
"children": [{'text': '4-bit', 'value': '4bit'}, {'text': '8-bit', 'value': '8bit'}, {'text': '16-bit', 'value':'16-bit'}],
"extra_classes": "",
"refresh_model_inputs": False
})
else:
logger.warning("Bitsandbytes is not installed, you can not use Quantization for Huggingface models")
return requested_parameters
@@ -105,24 +106,25 @@ class model_backend(HFTorchInferenceModel):
"low_cpu_mem_usage": True,
}
if self.quantization == "8bit":
tf_kwargs.update({
"quantization_config":BitsAndBytesConfig(
load_in_8bit=True,
llm_int8_enable_fp32_cpu_offload=True
),
})
if not hasattr(self.model_config, 'quantization_config'):
if self.quantization == "8bit":
tf_kwargs.update({
"quantization_config":BitsAndBytesConfig(
load_in_8bit=True,
llm_int8_enable_fp32_cpu_offload=True
),
})
if self.quantization == "4bit" or utils.koboldai_vars.colab_arg:
tf_kwargs.update({
"quantization_config":BitsAndBytesConfig(
load_in_4bit=True,
bnb_4bit_compute_dtype=torch.float16,
bnb_4bit_use_double_quant=True,
bnb_4bit_quant_type='nf4',
llm_int8_enable_fp32_cpu_offload=True
),
})
if self.quantization == "4bit" or utils.koboldai_vars.colab_arg:
tf_kwargs.update({
"quantization_config":BitsAndBytesConfig(
load_in_4bit=True,
bnb_4bit_compute_dtype=torch.float16,
bnb_4bit_use_double_quant=True,
bnb_4bit_quant_type='nf4',
llm_int8_enable_fp32_cpu_offload=True
),
})
if self.model_type == "gpt2":
# We must disable low_cpu_mem_usage and if using a GPT-2 model

View File

@@ -21,7 +21,7 @@ from pathlib import Path
model_backend_type = "GPTQ"
model_backend_name = "Huggingface GPTQ"
model_backend_name = "Legacy GPTQ"
def load_model_gptq_settings(path):