diff --git a/aiter/jit/optCompilerConfig.json b/aiter/jit/optCompilerConfig.json
index 6df6ed4da..3423a707d 100755
--- a/aiter/jit/optCompilerConfig.json
+++ b/aiter/jit/optCompilerConfig.json
@@ -833,7 +833,7 @@
             "'-DCK_TILE_FMHA_FWD_FAST_EXP2=1'",
             "f'-DCK_TILE_FLOAT_TO_BFLOAT16_DEFAULT={os.environ.get(\"CK_TILE_FLOAT_TO_BFLOAT16_DEFAULT\", 2)}'",
             "f'-DCK_TILE_ATTENTION_LOGITS_SOFT_CAP_DEFAULT={os.environ.get(\"CK_TILE_ATTENTION_LOGITS_SOFT_CAP_DEFAULT\", 0)}'",
-            "f'-DCK_TILE_ATTENTION_USE_SOFTSIGN_ASM={os.environ.get(\"CK_TILE_ATTENTION_USE_SOFTSIGN_ASM\", 1)}'"
+            "'-DCK_TILE_ATTENTION_USE_SOFTSIGN_ASM=0'"
         ],
         "extra_ldflags": "None",
         "extra_include": [
@@ -970,7 +970,7 @@
         "blob_gen_cmd": [
             "f'{CK_DIR}/example/ck_tile/01_fmha/generate.py -d fwd --receipt 600 --output_dir {{}}'",
             "f'{CK_DIR}/example/ck_tile/01_fmha/generate.py -d fwd_splitkv --receipt 600 --output_dir {{}}'",
-            "f'{CK_DIR}/example/ck_tile/01_fmha/generate.py -d batch_prefill --receipt 600 --output_dir {{}}'",
+            "f'{CK_DIR}/example/ck_tile/01_fmha/generate.py -d batch_prefill --receipt 600 --optdim 128 --filter \"fmha_batch_prefill_d128_bf16_*_ndropout_*_nbias_*_nmask_*_nlse_*\" --output_dir {{}}'",
             "f'{AITER_CSRC_DIR}/cpp_itfs/mha_fwd_generate.py --receipt 5 --output_dir {{}}'",
             "f'{get_asm_dir()}/fmha_v3_fwd/codegen.py --output_dir {{}}'"
         ]
diff --git a/setup.py b/setup.py
index 167417a4d..092c0c231 100644
--- a/setup.py
+++ b/setup.py
@@ -10,6 +10,7 @@
 # !!!!!!!!!!!!!!!! never import aiter
 # from aiter.jit import core
 this_dir = os.path.dirname(os.path.abspath(__file__))
+os.environ["AITER_META_DIR"] = this_dir
 sys.path.insert(0, f"{this_dir}/aiter/")
 from concurrent.futures import ThreadPoolExecutor
 
@@ -73,13 +74,6 @@ def is_develop_mode():
         ck_dir
     ), 'CK is needed by aiter, please make sure clone by "git clone --recursive https://github.com/ROCm/aiter.git" or "git submodule sync ; git submodule update --init --recursive"'
 
-    if os.path.exists("aiter_meta") and os.path.isdir("aiter_meta"):
-        shutil.rmtree("aiter_meta")
-    shutil.copytree("3rdparty", "aiter_meta/3rdparty")
-    shutil.copytree("hsa", "aiter_meta/hsa")
-    shutil.copytree("gradlib", "aiter_meta/gradlib")
-    shutil.copytree("csrc", "aiter_meta/csrc")
-
     def get_exclude_ops():
         if PREBUILD_KERNELS == 1:
             return [
@@ -174,6 +168,8 @@ def get_exclude_ops():
                 "module_mla_metadata",
                 "module_mla_reduce",
             ]
+        elif PREBUILD_KERNELS == 4:
+            return []
         else:
             return []
 
@@ -225,7 +221,13 @@ def build_one_module(one_opt_args):
     raise NotImplementedError("Only ROCM is supported")
 
 
-# aiter_meta prepared above
+if os.path.exists("aiter_meta") and os.path.isdir("aiter_meta"):
+    shutil.rmtree("aiter_meta")
+## link "3rdparty", "hsa", "csrc" into "aiter_meta"
+shutil.copytree("3rdparty", "aiter_meta/3rdparty")
+shutil.copytree("hsa", "aiter_meta/hsa")
+shutil.copytree("gradlib", "aiter_meta/gradlib")
+shutil.copytree("csrc", "aiter_meta/csrc")
 
 
 class NinjaBuildExtension(BuildExtension):
@@ -293,4 +295,4 @@ def has_ext_modules(self):
 )
 
 if os.path.exists("aiter_meta") and os.path.isdir("aiter_meta"):
-    shutil.rmtree("aiter_meta")
+    shutil.rmtree("aiter_meta")
\ No newline at end of file