rust-concurrency
Concurrency vs Async
| Dimension | Concurrency (threads) | Async (async/await) |
|---|---|---|
| Memory | Each thread has separate stack | Single thread reused |
| Blocking | Blocks OS thread | Doesn't block, yields |
| Use case | CPU-intensive | I/O-intensive |
| Complexity | Simple and direct | Requires runtime |
Key Insight: Threads for parallelism, async for concurrency.
Send/Sync Quick Reference
Send - Can Transfer Ownership Between Threads
Basic types → automatically Send
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