More importantly for us is that the power and speed of computers increased exponentially; the doubling time of computational capacity for personal computers was 1.5 years between 1975 to 2009. The increasing power of a wider range of computers – starting with the first general purpose computer (ENIAC) in 1946 – is shown in the black and white chart.
We also show this series in interactive form, updated to the year 2017. Here the growth of supercomputer power is measured in terms of the number of floating-point operations carried out per second (FLOPS) by the largest supercomputer in any given year. (FLOPS) is a measure of calculations per second forfloating-point operations. Floating-point operations are needed for very large or very small real numbers, or computationsthat require a large dynamic range. It is therefore a more accurate measured than simply instructions per second.
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Computational power: operations per second
More importantly for us is that the power and speed of computers increased exponentially; the doubling time of computational capacity for personal computers was 1.5 years between 1975 to 2009. The increasing power of a wider range of computers – starting with the first general purpose computer (ENIAC) in 1946 – is shown in the black and white chart.
We also show this series in interactive form, updated to the year 2017. Here the growth of supercomputer power is measured in terms of the number of floating-point operations carried out per second (FLOPS) by the largest supercomputer in any given year. (FLOPS) is a measure of calculations per second forfloating-point operations. Floating-point operations are needed for very large or very small real numbers, or computationsthat require a large dynamic range. It is therefore a more accurate measured than simply instructions per second.
Explanation: