Multithreading is a programming technique that allows multiple threads to execute concurrently within a single process. It enhances the performance and responsiveness of applications, particularly in multitasking, where tasks can be handled simultaneously without waiting for one to complete before starting another.
Using multithreading can significantly improve the efficiency of tasks such as data processing, web servers, and user interface interactions. Threads share the same memory space, which allows them to communicate more efficiently but also requires careful management to avoid issues like race conditions or deadlocks.
Here is a simple example of implementing multithreading in PHP:
<?php
class MyThread extends Thread {
public function run() {
echo "Thread " . $this->getThreadId() . " is running.\n";
}
}
$threads = [];
for ($i = 0; $i < 5; $i++) {
$threads[$i] = new MyThread();
$threads[$i]->start();
}
foreach ($threads as $thread) {
$thread->join();
}
?>
How do I avoid rehashing overhead with std::set in multithreaded code?
How do I find elements with custom comparators with std::set for embedded targets?
How do I erase elements while iterating with std::set for embedded targets?
How do I provide stable iteration order with std::unordered_map for large datasets?
How do I reserve capacity ahead of time with std::unordered_map for large datasets?
How do I erase elements while iterating with std::unordered_map in multithreaded code?
How do I provide stable iteration order with std::map for embedded targets?
How do I provide stable iteration order with std::map in multithreaded code?
How do I avoid rehashing overhead with std::map in performance-sensitive code?
How do I merge two containers efficiently with std::map for embedded targets?