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An implication of Amdahl's law is that to speed up real applications which have both serial and parallel portions, heterogeneous computing techniques are required. [12] There are novel speedup and energy consumption models based on a more general representation of heterogeneity, referred to as the normal form heterogeneity, that support a wide ...
at application software level, to control the speed of ingoing (received) data and/or to control the speed of outgoing (sent) data: a client program could be configured to throttle the sending (upload) of a big file to a server program in order to reserve some network bandwidth for other uses (i.e. for sending emails with attached data ...
The data compression ratio can serve as a measure of the complexity of a data set or signal. In particular it is used to approximate the algorithmic complexity . It is also used to see how much of a file is able to be compressed without increasing its original size.
This number is closely related to the channel capacity of the system, [2] and is the maximum possible quantity of data that can be transmitted under ideal circumstances. In some cases this number is reported as equal to the channel capacity, though this can be deceptive, as only non-packetized systems (asynchronous) technologies can achieve this without data compression.
The dynamic power consumed by a CPU is approximately proportional to the CPU frequency, and to the square of the CPU voltage: [5] = where C is the switched load capacitance, f is frequency, V is voltage. [6] When logic gates toggle, some transistors inside may change states.
Gerald Evans, 30, allegedly had a loaded shotgun on him when Metro Transit Police arrested him on a Washington, D.C., Metrobus for not complying when issued a citation for fare evasion.
To change the brightness, the R, G and B values are read from memory, a value is added to (or subtracted from) them, and the resulting values are written back out to memory. Audio DSPs would likewise, for volume control, multiply both Left and Right channels simultaneously. With a SIMD processor there are two improvements to this process.
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