[autotuner] Introduce BenchmarkProvider abstraction for kernel benchmarking

helion/_testing.py

@@ -34,7 +34,7 @@
 from ._utils import counters
 from .runtime.settings import _get_backend
 from .runtime.settings import is_pallas_interpret
-from helion.autotuner.base_search import _clone_args
+from helion.autotuner.benchmark_provider import _clone_args
 
 if _get_backend() == "pallas":
     from .autotuner.benchmarking import compute_repeat_generic as compute_repeat

helion/autotuner/aot_cache.py

@@ -31,7 +31,6 @@
 import os
 from pathlib import Path
 import sys
-import tempfile
 import traceback
 from typing import TYPE_CHECKING
 from typing import Any
@@ -757,11 +756,9 @@ def measure_all_configs(self) -> list[tuple[Config, float]]:
         old_precompile = self.autotuner.settings.autotune_precompile
         self.autotuner.settings.autotune_precompile = None
 
-        # Set up tmpdir if needed (normally done inside autotune())
-        tmpdir_created = False
-        if self.autotuner._precompile_tmpdir is None:
-            self.autotuner._precompile_tmpdir = tempfile.TemporaryDirectory()
-            tmpdir_created = True
+        # Set up provider resources if needed (normally done inside autotune())
+        benchmark_provider = self.autotuner.benchmark_provider
+        benchmark_provider.setup()
 
         try:
             for i, config in enumerate(all_configs):
@@ -805,9 +802,7 @@ def measure_all_configs(self) -> list[tuple[Config, float]]:
         finally:
             # Restore settings
             self.autotuner.settings.autotune_precompile = old_precompile
-            if tmpdir_created and self.autotuner._precompile_tmpdir is not None:
-                self.autotuner._precompile_tmpdir.cleanup()
-                self.autotuner._precompile_tmpdir = None
+            benchmark_provider.cleanup()
 
         print(
             f"[AOT measure] Completed: {len(results)}/{len(all_configs)} configs succeeded",