rename woq to _gptq (#3562)

* rename woq to _gptq

* modify comment

Author: lingzhi98

intel_extension_for_pytorch/__init__.py

@@ -97,7 +97,6 @@
 if has_cpu():
     from . import cpu
     from . import quantization
-    from .quantization import woq
     from . import _meta_registrations
 
     try:

intel_extension_for_pytorch/quantization/GPTQ/__init__.py

@@ -1 +1 @@
-from .api import woq
+from .api import _gptq

intel_extension_for_pytorch/quantization/GPTQ/api.py

@@ -10,7 +10,7 @@
 
 
 @torch.no_grad()
-def woq(
+def _gptq(
     model,
     dataset,
     quantized_ckpt,
@@ -47,7 +47,7 @@ def woq(
       >>> dataset = ...
       >>> model = GPTJForCausalLM.from_pretrained(model_path)
       >>> model.eval()
-      >>> ipex.woq(model, dataset, 'quantized_weight.pt', wbits=4)
+      >>> ipex.quantization._gptq(model, dataset, 'quantized_weight.pt', wbits=4)
     """
     print("Starting ...")
 

intel_extension_for_pytorch/quantization/__init__.py

@@ -9,4 +9,4 @@
     WoqLowpMode,
 )
 from ._autotune import autotune
-from .GPTQ import woq
+from .GPTQ import _gptq