CS-405 - Operating Systems
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02/08/2025 8:39 am
| Feature | Process | Thread |
|---|---|---|
| Definition | An independent program in execution. | A lightweight unit of a process. |
| Memory | Has its own memory space. | Shares memory and resources with other threads. |
| Overhead | High (due to separate memory and context info). | Low (shares memory, faster context switching). |
| Communication | Slower (needs Inter-Process Communication). | Faster (via shared memory). |
| Execution | Independent execution. | Runs as part of a process; multiple threads can run concurrently. |
| Creation | Slower to create and manage. | Faster and more efficient to create. |
| Crash Impact | One process crash usually doesn’t affect others. | If one thread crashes, it may crash the entire process. |
| Used For | Running independent programs. | Performing multitasking within a single program. |
