[Refactor] Update BitBLAS Benchmark with TileLang Carver Imports and Roller Hints Generation (#148)

- Replace BitBLAS imports with TileLang Carver imports in benchmark_matmul.py
- Modify roller hints generation using new TileLang Carver template and utility functions
- Update get_roller_hints_from_func to handle None cases and improve return logic
- Adjust DefaultPolicy to handle different codegen dictionary formats

benchmark/benchmark_matmul.py

@@ -46,33 +46,29 @@ def get_configs(M, N, K, with_roller=False):
         thread numbers, and other parameters to explore during autotuning.
     """
     if with_roller:
-        from bitblas.base.utils import get_roller_hints_from_func
-        from bitblas.ops.general_matmul.tirscript import matmul_select_implementation
-        from bitblas.base.arch import CUDA
-        from bitblas.base.roller.rasterization import NoRasterization
+        from tilelang.carver.template import MatmulTemplate
+        from tilelang.carver.arch import CUDA
+        from tilelang.carver.roller.rasterization import NoRasterization
         arch = CUDA("cuda")
         topk = 20
 
-        # Simple TIR Compute Expression
-        ir_module = matmul_select_implementation(
+        carve_template = MatmulTemplate(
             M=M,
             N=N,
             K=K,
             in_dtype="float16",
             out_dtype="float16",
             accum_dtype="float16",
-        )
+        ).with_arch(arch)
 
-        roller_hints = get_roller_hints_from_func(
-            ir_module,
-            arch,
-            topk,
-            tensorcore_only=True,
-            allow_gemv=True,
-        )
+        func = carve_template.equivalent_function()
+        assert func is not None, "Function is None"
+
+        roller_hints = carve_template.recommend_hints(topk=topk)
 
         if roller_hints is None:
             raise ValueError("No Roller Hints Found for TensorCore Scheduling")
+
         configs = []
         for hint in roller_hints:
             config = {}

tilelang/carver/roller/policy/default.py

@@ -94,7 +94,10 @@ class DefaultPolicy:
 
             self._expand_reduce_axis(td)
             for codegen_dicts in self.assign_block_size(td):
-                results.append(codegen_dicts)
+                if isinstance(codegen_dicts, dict) and len(codegen_dicts) == 1:
+                    results.append(list(codegen_dicts.values())[0])
+                else:
+                    results.append(codegen_dicts)
                 if len(results) >= topk:
                     break
             if len(results) >= topk:

tilelang/carver/utils.py

@@ -44,6 +44,7 @@ def get_roller_hints_from_func(func_or_module: Union[tir.PrimFunc, IRModule],
 
     assert func is not None, "The function should not be None"
 
+    roller_hints = None
     if tensorcore_only:
         try:
             tensorized_func, tags = get_tensorized_func_and_tags(
@@ -53,9 +54,9 @@ def get_roller_hints_from_func(func_or_module: Union[tir.PrimFunc, IRModule],
             tags = None
         if tags and tensorized_func:
             policy = TensorCorePolicy(func=tensorized_func, arch=arch, tags=tags)
-            return policy.emit_config(topk)
+            roller_hints = policy.emit_config(topk)
         else:
-            return None
+            roller_hints = None
     else:
         policy = DefaultPolicy.from_prim_func(func=func, arch=arch)
         tensorized_func = None
@@ -67,7 +68,10 @@ def get_roller_hints_from_func(func_or_module: Union[tir.PrimFunc, IRModule],
             tags = None
         if tags and tensorized_func:
             policy = TensorCorePolicy.from_prim_func(func=tensorized_func, arch=arch, tags=tags)
-        return policy.emit_config(topk)
+            roller_hints = policy.emit_config(topk)
+        else:
+            roller_hints = None
+    return roller_hints
 
 
 def get_roller_hints_from_output_nodes(