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_knn.py

@@ -0,0 +1,34 @@
+# 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.
+
+from itertools import product
+
+from fvcore.common.benchmark import benchmark
+from test_knn import TestKNN
+
+
+def bm_knn() -> None:
+
+    backends = ["cpu", "cuda:0"]
+
+    kwargs_list = []
+    Ns = [32]
+    P1s = [256]
+    P2s = [128, 512]
+    Ds = [3]
+    Ks = [24]
+    test_cases = product(Ns, P1s, P2s, Ds, Ks, backends)
+    for case in test_cases:
+        N, P1, P2, D, K, b = case
+        kwargs_list.append({"N": N, "P1": P1, "P2": P2, "D": D, "K": K, "device": b})
+
+    benchmark(TestKNN.knn_square, "KNN_SQUARE", kwargs_list, warmup_iters=1)
+
+    benchmark(TestKNN.knn_ragged, "KNN_RAGGED", kwargs_list, warmup_iters=1)
+
+
+if __name__ == "__main__":
+    bm_knn()