How Grand Central Dispatch Library Helps Organize Threads | HackerNoon
Briefly

"Managing threads using the Thread class can be labor-intensive, requiring tracking, task distribution, data synchronization, and monitoring thread completion—all without standardizing tools to ease this workload."
"Grand Central Dispatch (GCD) simplifies thread management by organizing code blocks into queues, allowing tasks to run either in parallel or sequentially depending on the queue type."
Read at Hackernoon
[
|
]