# reservation station

> processor feature for dynamic instruction scheduling

**Wikidata**: [Q1088863](https://www.wikidata.org/wiki/Q1088863)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Reservation_station)  
**Source**: https://4ort.xyz/entity/reservation-station

## Summary
A reservation station is a processor feature used for dynamic instruction scheduling. It is part of a computer’s microarchitecture and is classified as computer hardware.

## Key Facts
- A reservation station is described as a “processor feature for dynamic instruction scheduling.”
- Reservation station is a facet of microarchitecture.
- Reservation station is classified as a subclass of computer hardware.
- Known aliases include “unified scheduler” and “unified reservation station.”
- The Wikipedia title for the topic is **“Reservation station.”**
- The topic has Wikipedia language editions including: ca, en, fa, it, ja, ko, zh.
- The entity has a Freebase ID: **/m/0c80m5** (reference includes a publication date of **2013-10-28**).
- The entity has a Microsoft Academic ID (discontinued): **57547121**.
- The entity has an Encyclopedia of China (Third Edition) ID: **31403**.
- The sitelink count provided for the entity is **7**.

## FAQs
### Q: What is a reservation station in a CPU?
A: A reservation station is a processor feature for dynamic instruction scheduling. It is part of the CPU’s microarchitecture and is categorized as computer hardware.

### Q: Is a reservation station hardware or software?
A: It is classified as computer hardware. It is also described as a processor feature, placing it within CPU microarchitecture.

### Q: What is another name for a reservation station?
A: Reservation station is also known as a “unified scheduler” or a “unified reservation station.” These are listed as aliases for the same concept.

### Q: Where does a reservation station fit in computer design?
A: It is a facet of microarchitecture. Microarchitecture is the level of design concerned with how a processor implements its instruction scheduling and execution behavior.

## Why It Matters
Reservation stations matter because they are explicitly tied to **dynamic instruction scheduling**, a core capability in modern processor design. As a processor feature within **microarchitecture**, a reservation station is part of the hardware mechanisms that determine how instructions are handled internally. This makes it relevant to anyone studying or working with CPU design, performance behavior, or microarchitectural features. In practical terms, the presence and design of such a feature can influence how a processor schedules work dynamically, which is central to how CPUs manage instruction flow. Because it is categorized as **computer hardware**, it is not merely a conceptual technique; it is an implemented component/feature of processor design. The topic’s presence across multiple Wikipedia language editions and its identifiers in external knowledge systems (Freebase, Microsoft Academic, Encyclopedia of China) indicate it is a recognized and referenceable concept in computing knowledge bases.

## Notable For
- Being specifically described as a **processor feature for dynamic instruction scheduling**.
- Being a **facet of microarchitecture**, placing it at the CPU internal design level.
- Having established aliases, including **“unified scheduler”** and **“unified reservation station.”**
- Being classified as **computer hardware** (not software).
- Having multiple external identifiers (e.g., Freebase **/m/0c80m5**, Microsoft Academic **57547121**, Encyclopedia of China ID **31403**).

## Body
### Definition and Classification
- **Reservation station**: a processor feature for **dynamic instruction scheduling**.
- Classification:
  - **Subclass of:** computer hardware
  - **Facet of:** microarchitecture

### Names and Aliases
- Primary name (Wikipedia title): **Reservation station**
- Aliases:
  - **unified scheduler**
  - **unified reservation station**

### Knowledge Base and Reference Identifiers
- Freebase ID: **/m/0c80m5** (reference includes publication date **2013-10-28**)
- Microsoft Academic ID (discontinued): **57547121**
- Encyclopedia of China (Third Edition) ID: **31403**

### Presence in Wikipedia / Sitelinks
- Wikipedia languages listed: **ca, en, fa, it, ja, ko, zh**
- Sitelink count provided: **7**

## References

1. Freebase Data Dumps. 2013