add simple ASV benchmarking setup

asv.conf.json

@@ -0,0 +1,20 @@
+{
+    "version": 1,
+    "project": "conda-build",
+    "project_url": "http://github.com/conda/conda-build",
+    "repo": ".",
+    "branches": ["master"],
+    "dvcs": "git",
+    "environment_type": "conda",
+    "show_commit_url": "http://github.com/conda/conda-build/commit/",
+    "pythons": ["3.6"],
+    "matrix": {
+        "conda": [],
+        "conda-verify": [],
+        "pytest": [],
+        "pytest-mock": [],
+    },
+    "env_dir": ".asv/env",
+    "results_dir": ".asv/results",
+    "html_dir": ".asv/html",
+}

benchmarks/__init__.py

@@ -0,0 +1 @@
+

benchmarks/time_render.py

@@ -0,0 +1,26 @@
+import os
+
+from conda_build import api
+
+# god-awful hack to get data from the test recipes
+import sys
+_thisdir = os.path.dirname(__file__)
+sys.path.append(os.path.dirname(_thisdir))
+
+from tests.utils import metadata_dir
+variant_dir = os.path.join(metadata_dir, '..', 'variants')
+
+
+def time_simple_render():
+    api.render(os.path.join(metadata_dir, 'python_run'), finalize=False,
+               bypass_env_check=True)
+
+
+def time_top_level_variant_render():
+    api.render(os.path.join(variant_dir, '02_python_version'), finalize=False,
+               bypass_env_check=True)
+
+
+def time_single_top_level_multi_output():
+    api.render(os.path.join(variant_dir, 'test_python_as_subpackage_loop'),
+               finalize=False, bypass_env_check=True)