tqchen commented on a change in pull request #9880: TVM bridge support to JIT NDArray Function by TVM URL: https://github.com/apache/incubator-mxnet/pull/9880#discussion_r170703656
########## File path: tests/python/gpu/test_tvm_bridge.py ########## @@ -0,0 +1,63 @@ +# 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. + +"""Test TVM bridge, only enable this when TVM is available""" +import mxnet as mx +import numpy as np + +def test_tvm_bridge(): + # only enable test if TVM is available + try: + import tvm + import tvm.contrib.mxnet + import topi + except ImportError: + print("TVM bridge test skipped because TVM is missing...") + return + + def check(target): + shape = (20,) + scale = tvm.var("scale", dtype="float32") + x = tvm.placeholder(shape) + y = tvm.placeholder(shape) + z = tvm.compute(shape, lambda i: x[i] + y[i]) + zz = tvm.compute(shape, lambda *i: z(*i) * scale) + ctx = mx.gpu(0) if target == "cuda" else mx.cpu(0) + target = tvm.target.create(target) + + # build the function + with target: + s = topi.generic.schedule_injective(zz) + f = tvm.build(s, [x, y, zz, scale]) + + # get a mxnet version + mxf = tvm.contrib.mxnet.to_mxnet_func(f, const_loc=[0, 1]) Review comment: The benefit of this design, is that MXNet do not have to link libtvm.so which comes with llvm dependency and it will work out of box when mxnet and tvm are both available ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
