Add basic benchmark scheduler

WORKSPACE

@@ -199,9 +199,9 @@ new_git_repository(
 # The pinned version of LLVM, and its SHA256 hash. The `LLVM_COMMIT` variable in
 # `.github/workflows/main.yaml` must be updated to match this everytime it is
 # changed.
-LLVM_COMMIT = "842fd1537521d38913aec5c9a081afedf97d88fe"
+LLVM_COMMIT = "cd66c9b6a04689659348c0a3ff4c1205b1133fe9"
 
-LLVM_SHA256 = "21a1d434b4dbbafee65c2a9fc8e64ac3e3210eab9c5d67affd8d6d36bbf979b3"
+LLVM_SHA256 = "8d2a8b2e0accdf072a3897aec6a3e68d522dfc1b40416b3c4215bb5af36a36e1"
 
 http_archive(
     name = "llvm-raw",

gematria/datasets/pipelines/BUILD.bazel

@@ -81,3 +81,17 @@ gematria_py_test(
         "//gematria/proto:execution_annotation_py_pb2",
     ],
 )
+
+gematria_py_library(
+    name = "benchmark_cpu_scheduler",
+    srcs = ["benchmark_cpu_scheduler.py"],
+)
+
+gematria_py_test(
+    name = "benchmark_cpu_scheduler_test",
+    size = "small",
+    srcs = ["benchmark_cpu_scheduler_test.py"],
+    deps = [
+        ":benchmark_cpu_scheduler",
+    ],
+)

gematria/datasets/pipelines/benchmark_cpu_scheduler.py

@@ -0,0 +1,35 @@
+# Copyright 2024 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from abc import ABC, abstractmethod
+
+
+class BenchmarkScheduler(ABC):
+
+  @abstractmethod
+  def setup_and_get_benchmark_core(self) -> int | None:
+    pass
+
+  @abstractmethod
+  def verify(self):
+    pass
+
+
+class NoSchedulingBenchmarkScheduler(BenchmarkScheduler):
+
+  def setup_and_get_benchmark_core(self) -> int | None:
+    return None
+
+  def verify(self):
+    pass

gematria/datasets/pipelines/benchmark_cpu_scheduler_test.py

@@ -0,0 +1,29 @@
+# Copyright 2024 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from absl.testing import absltest
+
+from gematria.datasets.pipelines import benchmark_cpu_scheduler
+
+
+class BenchmarkSchedulerTests(absltest.TestCase):
+
+  def test_no_scheduling(self):
+    scheduler = benchmark_cpu_scheduler.NoSchedulingBenchmarkScheduler()
+    self.assertIsNone(scheduler.setup_and_get_benchmark_core())
+    scheduler.verify()
+
+
+if __name__ == '__main__':
+  absltest.main()