CISC
- noun
- Specialized
- This is a rich Complex Instruction Set Computer (CISC) architecture that requires some unusual trade-offs in the design of a processor.
- CISC ISA
Examples
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Why do they still present a CISC instruction set to the programmer while decoding all the instructions on the fly to the RISC instructions (micro-ops) that it executes internally?
Blog text (32) -
A different dimension of the "complex" part of the ESA/390 CISC ISA is found in the definitions of control functions which span the instruction set.
Academic text (2000) -
Addressing and data flow are implemented in 32-bit CISC processors.
Academic text (1997) -
Although there is some analogy between these two approaches and the CISC/RISC ISA debate, the two issues are in fact distinct:
Academic text (2000) -
The TAAC-1 is a CISC processor with considerable parallelism, which enables rapid rendering of a surface representation of the foot.
Academic text (1991) -
ESA/390, as is typical of CISC ISAs, includes a large set of register-to-storage, storage-to-storage, and immediate-to-storage instructions, which make use of operands taken directly from storage without first loading them into registers.
Academic text (2000) -
The relative merits of CISC and RISC approaches have been widely debated, but in recent years the distinctions have been blurred at the microprocessor level, as RISC design techniques have been applied to CISC designs.
Academic text (2000) -
The relative merits of CISC and RISC approaches have been widely debated, but in recent years the distinctions have been blurred at the microprocessor level, as RISC design techniques have been applied to CISC designs.
Academic text (2000) -
In computer science, CISC architecture allows for a wide range of specialized instructions within the CPU.
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Many software applications have been optimized to run efficiently on CISC processors, which support complex instructions.
Synonyms
A computer design where the main processor runs many built-in instructions
A computer design where the processor runs many complex commands directly in hardware
Antonyms
- Specialized
A computer design that uses a small set of simple instructions for faster processing
Surface Forms
Etymology
CISC stands for Complex Instruction Set Computer, a name that comes from having many built-in commands in the processor. Think 'complex instructions' as many special tools in one box, so a CISC processor can do multi-step operations with a single command.