119 lines
3.6 KiB
C++
119 lines
3.6 KiB
C++
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "mediapipe/framework/deps/threadpool.h"
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#include <set>
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#include "absl/synchronization/mutex.h"
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#include "mediapipe/framework/port/gtest.h"
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namespace mediapipe {
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TEST(ThreadPoolTest, DestroyWithoutStart) {
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ThreadPool thread_pool("testpool", 10);
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}
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TEST(ThreadPoolTest, EmptyThread) {
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ThreadPool thread_pool("testpool", 0);
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ASSERT_EQ(1, thread_pool.num_threads());
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thread_pool.StartWorkers();
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}
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TEST(ThreadPoolTest, SingleThread) {
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absl::Mutex mu;
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int n = 100;
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{
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ThreadPool thread_pool("testpool", 1);
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ASSERT_EQ(1, thread_pool.num_threads());
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thread_pool.StartWorkers();
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for (int i = 0; i < 100; ++i) {
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thread_pool.Schedule([&n, &mu]() mutable {
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absl::MutexLock l(&mu);
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--n;
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});
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}
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}
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EXPECT_EQ(0, n);
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}
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TEST(ThreadPoolTest, MultiThreads) {
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absl::Mutex mu;
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int n = 100;
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{
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ThreadPool thread_pool("testpool", 10);
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ASSERT_EQ(10, thread_pool.num_threads());
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thread_pool.StartWorkers();
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for (int i = 0; i < 100; ++i) {
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thread_pool.Schedule([&n, &mu]() mutable {
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absl::MutexLock l(&mu);
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--n;
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});
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}
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}
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EXPECT_EQ(0, n);
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}
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TEST(ThreadPoolTest, CreateWithThreadOptions) {
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ThreadPool thread_pool(ThreadOptions(), "testpool", 10);
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ASSERT_EQ(10, thread_pool.num_threads());
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thread_pool.StartWorkers();
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}
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TEST(ThreadPoolTest, CreateWithThreadPriority) {
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ThreadOptions thread_options = ThreadOptions().set_nice_priority_level(-10);
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ThreadPool thread_pool(thread_options, "testpool", 10);
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ASSERT_EQ(10, thread_pool.num_threads());
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ASSERT_EQ(-10, thread_pool.thread_options().nice_priority_level());
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thread_pool.StartWorkers();
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}
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TEST(ThreadPoolTest, CreateWithCPUAffinity) {
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ThreadOptions thread_options = ThreadOptions().set_cpu_set({0});
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ThreadPool thread_pool(thread_options, "testpool", 10);
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ASSERT_EQ(10, thread_pool.num_threads());
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ASSERT_EQ(1, thread_pool.thread_options().cpu_set().size());
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thread_pool.StartWorkers();
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}
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TEST(ThreadPoolTest, CreateThreadName) {
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ASSERT_EQ("name_prefix/123", internal::CreateThreadName("name_prefix", 1234));
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ASSERT_EQ("name_prefix/123",
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internal::CreateThreadName("name_prefix", 12345));
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ASSERT_EQ("name_prefix/123",
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internal::CreateThreadName("name_prefix", 123456));
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ASSERT_EQ("name_prefix/123",
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internal::CreateThreadName("name_prefix", 1234567));
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ASSERT_EQ("name_prefix/123",
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internal::CreateThreadName("name_prefix", 1234567891));
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ASSERT_EQ("name_prefix_/12",
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internal::CreateThreadName("name_prefix_", 1234));
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ASSERT_EQ("name_pre/123456",
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internal::CreateThreadName("name_pre", 1234567891));
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ASSERT_EQ("n/1", internal::CreateThreadName("n", 1));
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ASSERT_EQ("name_p/12345678",
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internal::CreateThreadName("name_p", 1234567891));
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ASSERT_EQ("/1", internal::CreateThreadName("", 1));
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ASSERT_EQ("name_prefix_lon",
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internal::CreateThreadName("name_prefix_long", 1234));
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ASSERT_EQ("name_prefix_lon",
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internal::CreateThreadName("name_prefix_lon", 1234));
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}
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} // namespace mediapipe
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