million instructions per second

Thân thiện

A computer's processor speed is measured in million instructions per second.

Definition

1. Noun:
   • A unit of measurement for computer processor speed: "Million instructions per second" (MIPS) is a metric used to estimate the raw processing power of a central processing unit (CPU). It represents the number of basic machine instructions a CPU can execute in one second, counted in millions.

Usage

• As a subject or object: The term is used to specify or compare the theoretical execution speed of a processor.
  • The new chip's performance is rated at 250 million instructions per second.
  • They needed a processor capable of at least 100 million instructions per second for the simulation.

Advanced Usage

• In technical specifications and comparisons: The term is primarily used in technical contexts, such as computer architecture, hardware reviews, and procurement documents, to provide a benchmark for CPU performance.
  • When evaluating embedded systems, the million instructions per second rating is a key factor.
  • The article compared the MIPS figures of several competing microprocessors.

Variants and Related Words

• MIPS: This is the standard acronym for "million instructions per second." It is far more common in usage than the full term.
  • The processor operates at 500 MIPS.
• Instructions per second (IPS): A more general unit without the "million" multiplier.
• FLOPS (Floating-point operations per second): A different performance metric measuring a processor's ability to handle complex mathematical calculations, often used alongside or instead of MIPS for scientific computing.

Synonyms

• Processing speed: A general term for how fast a CPU can execute tasks.
• CPU throughput: Refers to the amount of work a CPU can handle in a given time.

Important Notes

• Technical Limitation: It is critical to understand that "million instructions per second" measures only the potential speed of the CPU core itself, not the overall performance of a complete computer system. System performance is also heavily influenced by memory speed, storage, software efficiency, and other components.
• Comparative Metric: While useful for comparing similar types of processors, MIPS can be a misleading indicator of real-world application performance because different instructions require different amounts of time to complete, and modern CPUs use complex architectures that make simple instruction counting less meaningful.

Học thuật

Noun

1. (computer science) a unit for measuring the execution speed of a computer's CPU (but not the whole system)
   • 4 MIPS is 4,000,000 instructions per second

Từ đồng nghĩa

• mips