[incubator-mxnet] branch master updated: Add ffi benchmark (#17780)

[ha...@apache.org]

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haoj pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-mxnet.git


The following commit(s) were added to refs/heads/master by this push:
     new afb8742  Add ffi benchmark (#17780)
afb8742 is described below

commit afb8742e6e1e987833b39c487dc892b5537196a1
Author: Haozheng Fan <fh...@gmail.com>
AuthorDate: Tue Mar 10 13:37:18 2020 +0800

    Add ffi benchmark (#17780)
    
    Co-authored-by: Haozheng Fan <fa...@amazon.com>
---
 benchmark/python/ffi/benchmark_ffi.py | 123 ++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)

diff --git a/benchmark/python/ffi/benchmark_ffi.py b/benchmark/python/ffi/benchmark_ffi.py
new file mode 100644
index 0000000..88af3cf
--- /dev/null
+++ b/benchmark/python/ffi/benchmark_ffi.py
@@ -0,0 +1,123 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+import timeit
+import itertools
+import argparse
+import os
+
+class OpArgMngr(object):
+    """Operator argument manager for storing operator workloads."""
+    args = {}
+
+    @staticmethod
+    def add_workload(funcname, *args, **kwargs):
+        if "_specifier" not in kwargs:
+            _specifier = funcname
+        else:
+            _specifier = kwargs["_specififer"]
+            del kwargs["_specififer"]
+        if _specifier in OpArgMngr.args:
+            raise ValueError("duplicate {}".format(_specifier))
+        OpArgMngr.args[_specifier] = {'args': args, 'kwargs': kwargs, 'funcname': funcname}
+
+
+def generate_workloads():
+    array_pool = {}
+    shapes = []
+    for ndim in range(4):
+        shapes.extend(list(itertools.product(range(4), repeat=ndim)))
+    for shape in shapes:
+        name = 'x'.join(str(i) for i in shape)
+        if name in array_pool:
+            raise ValueError("duplicate array {}".format(name))
+        array_pool[name] = dnp.ones(shape)
+    return array_pool
+
+
+def prepare_workloads():
+    pool = generate_workloads()
+    OpArgMngr.add_workload("zeros", (2, 2))
+    OpArgMngr.add_workload("tensordot", pool['2x2'], pool['2x2'], ((1, 0), (0, 1)))
+    OpArgMngr.add_workload("cumsum", pool['3x2'], axis=0, out=pool['3x2'])
+    OpArgMngr.add_workload("add", pool['2x2'], pool['2x2'])
+    OpArgMngr.add_workload("random.uniform", low=0, high=1, size=1)
+
+
+def benchmark_helper(f, *args, **kwargs):
+    number = 10000
+    return timeit.timeit(lambda: f(*args, **kwargs), number=number) / number
+
+
+def get_op(module, funcname):
+    funcname = funcname.split(".")
+    for fname in funcname:
+        module = getattr(module, fname)
+    return module
+
+
+def run_benchmark(packages):
+    results = {}
+    for (k, v) in OpArgMngr.args.items():
+        result = {}
+        for (name, package) in packages.items():
+            print('{}.{} running...'.format(name, k))
+            op = get_op(package["module"], v["funcname"])
+            args = [package["data"](arg) for arg in v["args"]]
+            kwargs = {k: package["data"](v) for (k, v) in v["kwargs"].items()}
+            benchmark = benchmark_helper(op, *args, **kwargs)
+            result[name] = benchmark
+        results[k] = result
+    return results
+
+
+def show_results(results):
+    print("{:>24}{:>24}{:>24}".format("name", "package", "time(us)"))
+    for (specifier, d) in results.items():
+        for (k, v) in d.items():
+            print("{:>24}{:>24}{:>24}".format(specifier, k, v * 10 ** 6))
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument('ffi_type')
+    parsed = parser.parse_args()
+    if parsed.ffi_type == "cython":
+        os.environ['MXNET_ENABLE_CYTHON'] = '1'
+        os.environ['MXNET_ENFORCE_CYTHON'] = '1'
+    elif parsed.ffi_type == "ctypes":
+        os.environ['MXNET_ENABLE_CYTHON'] = '0'
+    else:
+        raise ValueError("unknown ffi_type {}",format(parsed.ffi_type))
+    os.environ["MXNET_ENGINE_TYPE"] = "NaiveEngine"
+    import mxnet as mx
+    import numpy as onp
+    from mxnet import np as dnp
+
+    mx.npx.set_np()
+    packages = {
+        "onp": {
+            "module": onp,
+            "data": lambda arr: arr.asnumpy() if isinstance(arr, dnp.ndarray) else arr
+        },
+        "dnp": {
+            "module": dnp,
+            "data": lambda arr: arr
+        }
+    }
+    prepare_workloads()
+    results = run_benchmark(packages)
+    show_results(results)