update batch kernel condition (#12408)

python/llm/src/ipex_llm/transformers/low_bit_linear.py

@@ -362,16 +362,19 @@ def use_batch_forward(x: torch.Tensor, qtype: int, output_len: int):
     batch_size = x.shape[0]
     hard_condition = (
         x.dtype in [torch.float, torch.half]
+        and batch_size <= 48
         and (
-            x.shape[1] % 128 == 0 and qtype in [SYM_INT4]
+            (
+                qtype in [SYM_INT4, ASYM_INT4, FP8E5, FP8E4]
+                and x.shape[1] % 128 == 0
+            )
             or (
-                x.shape[1] % 256 == 0
-                and output_len % 32 == 0
+                qtype in [SYM_INT8, FP4, FP6, Q4_K, Q6_K]
                 and device in ["arc", "flex", "pvc", "mtl"]
-                and qtype in [ASYM_INT4, SYM_INT8, FP4, FP8E5, FP6, FP8E4, Q4_K, Q6_K]
+                and x.shape[1] % 256 == 0
+                and output_len % 32 == 0
             )
         )
-        and batch_size <= 48
     )
     if hard_condition:
         return (