Re-enable inception_v4 quantization (#366)

Summary:
Pull Request resolved: #366

previously it is disabled since it takes a long time to save the model, not sure if it just happens in my machine or it also affects CI

Reviewed By: larryliu0820

Differential Revision: D49302580

fbshipit-source-id: 1bd48e58e2c220e67c15c4c17e83529aea62d8c9

Author: jerryzh168

examples/quantization/example.py

@@ -160,20 +160,19 @@ def verify_xnnpack_quantizer_matching_fx_quant_model(model_name, model, example_
     start = time.perf_counter()
     quantized_model = quantize(model, example_inputs)
     end = time.perf_counter()
-    # logging.info(f"Quantize time: {end - start}s")
+    logging.info(f"Quantize time: {end - start}s")
 
-    # TODO[T163161310]: takes a long time to export to exec prog and save inception_v4 quantized model
-    if args.model_name != "ic4":
-
-        start = time.perf_counter()
-        edge_compile_config = EdgeCompileConfig(_check_ir_validity=False)
-        edge_m = export_to_edge(
-            quantized_model, example_inputs, edge_compile_config=edge_compile_config
-        )
-        end = time.perf_counter()
+    start = time.perf_counter()
+    edge_compile_config = EdgeCompileConfig(_check_ir_validity=False)
+    edge_m = export_to_edge(
+        quantized_model, example_inputs, edge_compile_config=edge_compile_config
+    )
+    end = time.perf_counter()
+    logging.info(f"Export time: {end - start}s")
 
-        start = time.perf_counter()
-        prog = edge_m.to_executorch(None)
-        save_pte_program(prog.buffer, f"{args.model_name}_quantized")
-        end = time.perf_counter()
+    start = time.perf_counter()
+    prog = edge_m.to_executorch(None)
+    save_pte_program(prog.buffer, f"{args.model_name}_quantized")
+    end = time.perf_counter()
+    logging.info(f"Save time: {end - start}s")
     logging.info("finished")

examples/recipes/xnnpack_optimization/models.py

@@ -20,7 +20,7 @@ class OptimizationOptions(object):
     "mv2": OptimizationOptions(True, True),
     "mv3": OptimizationOptions(False, True),
     "ic4": OptimizationOptions(
-        False, False
+        True, False
     ),  # TODO[T163161310]: takes a long time to export to exec prog and save inception_v4 quantized model
     "w2l": OptimizationOptions(False, True),
 }