chore: import upstream snapshot with attribution

2026-07-13 12:47:42 +08:00
commit be3ef883e1
1214 changed files with 431743 additions and 0 deletions
@@ -0,0 +1,121 @@
+// Copyright 2025-present the zvec project
+//
+// Licensed 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.
+
+#include <chrono>
+#include <iostream>
+#include <memory>
+#include <gtest/gtest.h>
+#include <zvec/ailego/parallel/thread_queue.h>
+#include <zvec/ailego/utility/time_helper.h>
+
+using namespace zvec;
+using namespace zvec::ailego;
+
+TEST(ThreadQueue, General) {
+  ThreadQueue queue;
+
+  std::this_thread::sleep_for(
+      std::chrono::microseconds(std::rand() % 1000 + 1));
+  queue.wake();
+
+  int count = 0;
+  for (int i = 0; i < 1000; ++i) {
+    queue[0].execute([&count, i]() {
+      EXPECT_EQ(i, count);
+      ++count;
+      // std::cout << count << std::endl;
+    });
+  }
+  std::this_thread::sleep_for(std::chrono::microseconds(20000));
+  EXPECT_EQ(1000, count);
+
+  queue.stop();
+  queue.wait_stop();
+}
+
+TEST(ThreadQueue, MutliThread) {
+  ThreadQueue queue;
+
+  std::this_thread::sleep_for(
+      std::chrono::microseconds(std::rand() % 1000 + 1));
+  queue.wake();
+
+  std::atomic_uint count{0};
+  for (int i = 0; i < 10000; ++i) {
+    queue.execute(std::rand(), [&count]() {
+      ++count;
+      // std::cout << count << std::endl;
+    });
+  }
+  std::this_thread::sleep_for(std::chrono::microseconds(20000));
+
+  EXPECT_EQ(10000u, count);
+  queue.stop();
+  queue.wait_stop();
+}
+
+TEST(ThreadQueue, MultiThreadWithHighPriority) {
+// TODO(windows): add it back
+  GTEST_SKIP();
+  ThreadQueue queue;
+
+  std::this_thread::sleep_for(
+      std::chrono::microseconds(std::rand() % 1000 + 1));
+  queue.wake();
+
+  std::atomic_uint count{0};
+  std::atomic_uint high_priority_count{0};
+
+  ailego::ElapsedTime timer;
+  uint64_t task_time;
+  uint64_t high_priority_task_time;
+
+  // Enqueue normal tasks
+  for (int i = 0; i < 1000; ++i) {
+    queue.execute(std::rand(), [&count, &timer, &task_time]() {
+      ++count;
+      std::this_thread::sleep_for(std::chrono::microseconds(100));
+      if (count == 1000) {
+        task_time = timer.milli_seconds();
+      }
+    });
+  }
+
+  // Enqueue high-priority tasks
+  for (int i = 0; i < 1000; ++i) {
+    queue.execute_high_priority(std::rand(), [&high_priority_count, &timer,
+                                              &high_priority_task_time]() {
+      ++high_priority_count;
+      std::this_thread::sleep_for(std::chrono::microseconds(500));
+      if (high_priority_count == 1000) {
+        high_priority_task_time = timer.milli_seconds();
+      }
+    });
+  }
+
+  // Wait for all tasks to complete
+  std::this_thread::sleep_for(std::chrono::seconds(3));
+
+  EXPECT_EQ(count, 1000);
+  EXPECT_EQ(high_priority_count, 1000);
+
+  // Verify that all high-priority tasks are completed first
+  EXPECT_GT(task_time, high_priority_task_time);
+  std::cout << "task time: " << task_time
+            << ", high priority task time: " << high_priority_task_time
+            << std::endl;
+
+  queue.stop();
+  queue.wait_stop();
+}