move benchmarks to separate directory

Summary: Move benchmarks to a separate directory as tests/ is getting big.

Reviewed By: nikhilaravi

Differential Revision: D32885462

fbshipit-source-id: a832662a494ee341ab77d95493c95b0af0a83f43

tests/benchmarks/bm_raysampling.py

@@ -0,0 +1,43 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+import itertools
+
+from fvcore.common.benchmark import benchmark
+from pytorch3d.renderer import (
+    FoVOrthographicCameras,
+    FoVPerspectiveCameras,
+    GridRaysampler,
+    MonteCarloRaysampler,
+    NDCGridRaysampler,
+    OrthographicCameras,
+    PerspectiveCameras,
+)
+from test_raysampling import TestRaysampling
+
+
+def bm_raysampling() -> None:
+    case_grid = {
+        "raysampler_type": [GridRaysampler, NDCGridRaysampler, MonteCarloRaysampler],
+        "camera_type": [
+            PerspectiveCameras,
+            OrthographicCameras,
+            FoVPerspectiveCameras,
+            FoVOrthographicCameras,
+        ],
+        "batch_size": [1, 10],
+        "n_pts_per_ray": [10, 1000, 10000],
+        "image_width": [10, 300],
+        "image_height": [10, 300],
+    }
+    test_cases = itertools.product(*case_grid.values())
+    kwargs_list = [dict(zip(case_grid.keys(), case)) for case in test_cases]
+
+    benchmark(TestRaysampling.raysampler, "RAYSAMPLER", kwargs_list, warmup_iters=1)
+
+
+if __name__ == "__main__":
+    bm_raysampling()