/* * 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. */ /*! * \file Use external nnpack library call. */ #include "nnpack_utils.h" namespace tvm { namespace contrib { using namespace runtime; typedef dmlc::ThreadLocalStore<NNPackThreadLocalEntry> NNPackThreadLocalStore; NNPackThreadLocalEntry* NNPackThreadLocalEntry::ThreadLocal() { return NNPackThreadLocalStore::Get(); } bool NNPackConfig(uint64_t nthreads) { NNPackThreadLocalEntry *entry = NNPackThreadLocalEntry::ThreadLocal(); if (entry->threadpool && pthreadpool_get_threads_count(entry->threadpool) == nthreads) { CHECK_NE(nthreads, 1); return true; } if (entry->threadpool) { pthreadpool_destroy(entry->threadpool); entry->threadpool = nullptr; } if (nthreads == 1) { // a null threadpool means the function is invoked on the calling thread, // which is the desired logic for nthreads == 1 CHECK(!entry->threadpool); return true; } entry->threadpool = pthreadpool_create(nthreads); return true; } TVM_REGISTER_GLOBAL("contrib.nnpack._initialize") .set_body([](TVMArgs args, TVMRetValue *ret) { *ret = nnp_initialize(); }); } // namespace contrib } // namespace tvm