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Computer performance information


In computing, computer performance is the amount of useful work accomplished by a computer system. Outside of specific contexts, computer performance is estimated in terms of accuracy, efficiency and speed of executing computer program instructions. When it comes to high computer performance, one or more of the following factors might be involved:

  • Short response time for a given piece of work.
  • High throughput (rate of processing work).
  • Low utilization of computing resource(s).
    • Fast (or highly compact) data compression and decompression.
  • High availability of the computing system or application.
  • High bandwidth.
  • Short data transmission time.

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Computer performance

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computing, computer performance is the amount of useful work accomplished by a computer system. Outside of specific contexts, computer performance is estimated...

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Supercomputer

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supercomputer is a type of computer with a high level of performance as compared to a general-purpose computer. The performance of a supercomputer is commonly...

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Computer performance by orders of magnitude

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The Age of Spiritual Machines: When Computers Exceed Human Intelligence 33.86×1015: Tianhe-2's LINPACK performance, June 2013 36.8×1015: 2001 estimate...

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Performance per watt

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In computing, performance per watt is a measure of the energy efficiency of a particular computer architecture or computer hardware. Literally, it measures...

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Computer architecture

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In computer science and computer engineering, computer architecture is a description of the structure of a computer system made from component parts. It...

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Software performance testing

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resource usage. Performance testing, a subset of performance engineering, is a computer science practice which strives to build performance standards into...

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Central processing unit

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the most important processor in a given computer. Its electronic circuitry executes instructions of a computer program, such as arithmetic, logic, controlling...

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FLOPS

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point operations per second (FLOPS, flops or flop/s) is a measure of computer performance in computing, useful in fields of scientific computations that require...

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Computer

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A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations (computation). Modern digital electronic...

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Standard Performance Evaluation Corporation

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internationally. SPEC benchmarks and tools are widely used to evaluate the performance of computer systems; the test results are published on the SPEC website. Official...

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Computer simulation

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and to estimate the performance of systems too complex for analytical solutions. Computer simulations are realized by running computer programs that can...

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Outline of computers

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Computer performance by orders of magnitude See: Outline of computing See: Outline of computer science History of computing hardware Analog computers...

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Gaming computer

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mainstream personal computers by using high-performance graphics cards, a high core-count CPU with higher raw performance and higher-performance RAM. Gaming PCs...

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Computer hardware

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bottleneck and often limits the performance of the system. The personal computer is one of the most common types of computer due to its versatility and relatively...

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Performance Rating

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The PR (performance rating, P-rating, or Pentium rating) system was a figure of merit developed by AMD, Cyrix, IBM Microelectronics and SGS-Thomson in...

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Exascale computing

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(exaFLOPS)"; it is a measure of supercomputer performance. Exascale computing is a significant achievement in computer engineering: primarily, it allows improved...

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Computer scientist

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theory, and formal methods Computer systems – including computer architecture and computer engineering, computer performance analysis, concurrency, and...

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Computer network

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A computer network is a set of computers sharing resources located on or provided by network nodes. Computers use common communication protocols over...

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Instructions per cycle

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In computer architecture, instructions per cycle (IPC), commonly called instructions per clock, is one aspect of a processor's performance: the average...

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Computer Go

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still exploit these programs' weaknesses and win consistently, but computer performance had advanced past the intermediate (single-digit kyu) level. The...

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Parallel computing

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software, as well as high performance computing. Frequency scaling was the dominant reason for improvements in computer performance from the mid-1980s until...

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Heuristic evaluation

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A heuristic evaluation is a usability inspection method for computer software that helps to identify usability problems in the user interface design. It...

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Computer cluster

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on each computer, or different hardware. Clusters are usually deployed to improve performance and availability over that of a single computer, while typically...

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Fifth Generation Computer Systems

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computers using massively parallel computing and logic programming. It aimed to create an "epoch-making computer" with supercomputer-like performance...

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