larroy commented on a change in pull request #14977: Add an utility for operator benchmarks URL: https://github.com/apache/incubator-mxnet/pull/14977#discussion_r288286763
########## File path: benchmark/opperf/utils/op_registry_utils.py ########## @@ -0,0 +1,193 @@ +# 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. + +"""Utilities to interact with MXNet operator registry.""" +import ctypes +import sys +from mxnet.base import _LIB, check_call, py_str, OpHandle, c_str, mx_uint + +# We will use all operators inside NDArray Module +mx_nd_module = sys.modules["mxnet.ndarray.op"] + + +def _get_all_registered_ops(filters=("_backward", "_contrib", "_")): + """Get all registered MXNet operators. + + By default, filter out all backward operators that starts with '_backward', + Contrib operators that starts with '_contrib' and internal operators that + starts with '_'. + + Parameters + ---------- + filters: tuple(str) + List of operator name prefix to ignore from benchmarking. + Default - ("_backward", "_contrib", "_") + + Returns + ------- + {"operator_name": {"has_backward", "nd_op_handle"}} + """ + plist = ctypes.POINTER(ctypes.c_char_p)() + size = ctypes.c_uint() + + check_call(_LIB.MXListAllOpNames(ctypes.byref(size), + ctypes.byref(plist))) + mx_operators = {} + operators_with_backward = [] + + # Prepare master list of all operators. + for i in range(size.value): + cur_op_name = py_str(plist[i]) + if not cur_op_name.startswith(filters): + mx_operators[cur_op_name] = {"has_backward": False, + "nd_op_handle": getattr(mx_nd_module, cur_op_name)} + + if cur_op_name.startswith("_backward_"): + operators_with_backward.append(cur_op_name) + + # Identify all operators that can run backward. + for op_with_backward in operators_with_backward: + op_name = op_with_backward.split("_backward_")[1] + if op_name in mx_operators: + mx_operators[op_name]["has_backward"] = True + + return mx_operators + + +def _get_op_handles(op_name): + """Get handle for an operator with given name - op_name. + + Parameters + ---------- + op_name: str + Name of operator to get handle for. + """ + op_handle = OpHandle() + check_call(_LIB.NNGetOpHandle(c_str(op_name), ctypes.byref(op_handle))) + return op_handle + + +def _get_op_arguments(op_name, op_handle): + """Given operator name and handle, fetch operator arguments - number of arguments, + argument names, argument types. + + Parameters + ---------- + op_name: str + Name of the operator + + op_handle: OpHandle + Handle for the operator + + Returns + ------- + (narg, arg_names, arg_types) + """ + real_name = ctypes.c_char_p() + desc = ctypes.c_char_p() + num_args = mx_uint() + arg_names = ctypes.POINTER(ctypes.c_char_p)() + arg_types = ctypes.POINTER(ctypes.c_char_p)() + arg_descs = ctypes.POINTER(ctypes.c_char_p)() + key_var_num_args = ctypes.c_char_p() + ret_type = ctypes.c_char_p() + + check_call(_LIB.MXSymbolGetAtomicSymbolInfo( + op_handle, ctypes.byref(real_name), ctypes.byref(desc), + ctypes.byref(num_args), + ctypes.byref(arg_names), + ctypes.byref(arg_types), + ctypes.byref(arg_descs), + ctypes.byref(key_var_num_args), + ctypes.byref(ret_type))) + + narg = int(num_args.value) + arg_names = [py_str(arg_names[i]) for i in range(narg)] + arg_types = [py_str(arg_types[i]) for i in range(narg)] + + return narg, arg_names, arg_types + + +def _set_op_arguments(mx_operators): + """Fetch and set operator arguments - nargs, arg_names, arg_types + """ + for op_name in mx_operators: + op_handle = _get_op_handles(op_name) + narg, arg_names, arg_types = _get_op_arguments(op_name, op_handle) + mx_operators[op_name]["params"] = {"narg": narg, + "arg_names": arg_names, + "arg_types": arg_types} + + +def _get_all_mxnet_operators(): + # Step 1 - Get all registered op names + mx_operators = _get_all_registered_ops() + + # Step 2 - Get all parameters for the operators + _set_op_arguments(mx_operators) + return mx_operators + + +def prepare_op_inputs(arg_params, arg_values): + # For each default value combination, prepare inputs + inputs = [] + for arg_value in arg_values: + inp = {} + for arg_name in arg_params["params"]["arg_names"]: + inp[arg_name] = arg_value[arg_name] + inputs.append(inp) + return inputs + + +def get_all_broadcast_binary_operators(): + """Gets all binary broadcast operators registered with MXNet. + + Returns + ------- + {"operator_name": {"has_backward", "nd_op_handle", "params"}} + """ + # Get all mxnet operators + mx_operators = _get_all_mxnet_operators() + + # Filter for binary broadcast operators + binary_broadcast_mx_operators = {} + for op_name, op_params in mx_operators.items(): + if op_name.startswith("broadcast_") and op_params["params"]["narg"] == 2 and \ + "lhs" in op_params["params"]["arg_names"] and \ + "rhs" in op_params["params"]["arg_names"]: + binary_broadcast_mx_operators[op_name] = mx_operators[op_name] + return binary_broadcast_mx_operators + + +def get_all_element_wise_binary_operators(): Review comment: can we rename to "elemwise" for consistency with the C source files? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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