What is VLIW processing?

What is VLIW processing?

Very long instruction word (VLIW) describes a computer processing architecture in which a language compiler or pre-processor breaks program instruction down into basic operations that can be performed by the processor in parallel (that is, at the same time).

What is superscalar approach?

Superscalar architecture is a method of parallel computing used in many processors. In a superscalar computer, the central processing unit (CPU) manages multiple instruction pipelines to execute several instructions concurrently during a clock cycle.

What is superscalar microprocessor explain briefly?

In contrast to a scalar processor that can execute at most one single instruction per clock cycle, a superscalar processor can execute more than one instruction during a clock cycle by simultaneously dispatching multiple instructions to different execution units on the processor.

What is the important feature of VLIW?

Explanation: It is the architecture designed to perform multiple operations in parallel. Explanation: ILP stands for Instruction Level Parallelism. Explanation: The Pipe-lining and super-scalar architectures involved the usage of complex hardware circuits for the implementation.

What is the basic difference between superscalar and VLIW computers?

Superscalar and VLIW processors can both execute multiple instructions each cycle. Each employs a different instruction scheduling method to achieve multiple instruction execution. Superscalar processors schedule instructions dynamically, and VLIW processors execute statically scheduled instructions.

What do VLIW processing and superscalar pipelined processing have in common?

Both superscalar and VLIW architectures are capable of executing multiple instructions at one cycle. Each uses a different method for instruction scheduling. While superscalar processors execute instructions dynamically, VLIW uses static scheduling of program instructions.

What is the difference between scalar processing and superscalar processing?

A processor that executes scalar data is called a scalar processor. Using fixed point operands, integer instructions are executed by scalar processors even in their simplest state. The superscalar processor, on the other hand, executes multiple instructions at a time because of its multiple number of pipelines.

What is a superscalar processor What are the design characteristics?

A superscalar processor is a microprocessor design for exploiting multiple instructions in one clock cycle, thus establishing an instruction-level parallelism in processors. A superscalar is a super-pipelined model where only the independent instructions are executed sequentially, without any waiting state.

What is the difference between superscalar processors and VLIW?

While superscalar processors execute instructions dynamically, VLIW uses static scheduling of program instructions. A superscalar processor is a microprocessor design for exploiting multiple instructions in one clock cycle, thus establishing an instruction-level parallelism in processors.

How are instructions scheduled in superscalar architecture?

The scheduling of instructions in a superscalar architecture is done dynamically, at run time, by the processor. The superscalar architectures have mechanisms for fetching multiple instructions, determining dependencies between instructions and executing instructions in order. Here’s a handy analogy you can use to understand superscalar processing:

Do embedded processors use superscalar instruction?

A surprising number of embedded processors do, however, make use of superscalar instruction issue, though not as aggressively as do high-end servers. The embedded Pentium processor is a two-issue, in-order processor. It has two pipes: one for any integer operation and another for simple integer operations.

What is VLIW (very long instruction word)?

What is VLIW (very long instruction word)? – Definition from WhatIs.com Very long instruction word (VLIW) describes a computer processing architecture in which a language compiler or pre-processor breaks program instruction down into basic operations that can be performed by the processor in parallel (that is, at the same time).