quadword
- noun
- /ˈkwɒdˌwɜrd/
- Specialized
- In computing, a quadword typically consists of 64 bits, making it an essential unit for data processing.
- quadword (16 bytes)
- quadword-aligned
- quadword boundary
Examples
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The new floating-point quadword load and store instructions, matched with two quadword-wide buses to the FPU, give the processor the ability to move four doublewords per cycle into the FPU.
Academic text (1994) -
An optimal implementation also tries to avoid crossing a cache line boundary on quadword accesses.
Academic text (1994) -
On store operations, up to one quadword of store data is also sent with the command and address.
Academic text (1997) -
Wraparound feature: first quadword of line served first.
Academic text (1997) -
The array is either aligned on a quadword boundary or on an odd doubleword boundary.
Academic text (1994) -
To reduce latency, the first quadword of the memory data includes the instruction requested by the ICU.
Academic text (1994) -
The hex and binary extended formats both utilize a full quadword format.
Academic text (1999) -
Store data and L1 fetch buffer data are merged if the quadword addresses are the same.
Academic text (1997) -
Supporting dual quadword buses (compared to POWER's single double word bus) gives POWER2 a fourfold increase in data bandwidth.
Academic text (1994) -
Also, the G5 FPU implements quadword precision hex and binary arithmetic in hardware, including all special number handling.
Academic text (1999)
How Big
Surface Forms
Morphology
Etymology
Quadword comes from quad- 'four' and word 'word', so it names a block of four words together. In computing the term is used for a data unit made of four words, often equal to 64 bits, so the origin explains why it is a fixed group of four words for processing.