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  2. Mental chronometry - Wikipedia

    en.wikipedia.org/wiki/Mental_chronometry

    This includes speed of counting, reaching for things, repeating words, and other developing vocal and motor skills that develop quickly in growing children. [96] Once reaching early maturity, there is then a long period of stability until speed of processing begins declining from middle age to senility (Salthouse, 2000). [97]

  3. Computer performance by orders of magnitude - Wikipedia

    en.wikipedia.org/wiki/Computer_performance_by...

    170×10 12: Nvidia DGX-1 The initial Pascal based DGX-1 delivered 170 teraflops of half precision processing. [6] 478.2×10 12 IBM BlueGene/L 2007 Supercomputer; 960×10 12 Nvidia DGX-1 The Volta-based upgrade increased calculation power of Nvidia DGX-1 to 960 teraflops. [7]

  4. Instructions per second - Wikipedia

    en.wikipedia.org/wiki/Instructions_per_second

    Instructions per second (IPS) is a measure of a computer's processor speed. For complex instruction set computers (CISCs), different instructions take different amounts of time, so the value measured depends on the instruction mix; even for comparing processors in the same family the IPS measurement can be problematic.

  5. Computer performance - Wikipedia

    en.wikipedia.org/wiki/Computer_performance

    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 tasks).

  6. Amdahl's law - Wikipedia

    en.wikipedia.org/wiki/Amdahl's_law

    An example is a computer program that processes files. A part of that program may scan the directory of the disk and create a list of files internally in memory. After that, another part of the program passes each file to a separate thread for processing. The part that scans the directory and creates the file list cannot be sped up on a ...

  7. Speedup - Wikipedia

    en.wikipedia.org/wiki/Speedup

    More technically, it is the improvement in speed of execution of a task executed on two similar architectures with different resources. The notion of speedup was established by Amdahl's law, which was particularly focused on parallel processing. However, speedup can be used more generally to show the effect on performance after any resource ...

  8. Processing speed - Wikipedia

    en.wikipedia.org/wiki/Processing_speed

    Processing speed may refer to Cognitive processing speed; Instructions per second, a measure of a computer's processing speed; Clock speed, also known as processor speed

  9. Performance per watt - Wikipedia

    en.wikipedia.org/wiki/Performance_per_watt

    For example, the early UNIVAC I computer performed approximately 0.015 operations per watt-second (performing 1,905 operations per second (OPS), while consuming 125 kW). The Fujitsu FR-V VLIW / vector processor system on a chip in the 4 FR550 core variant released 2005 performs 51 Giga-OPS with 3 watts of power consumption resulting in 17 ...