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Explain briefly Loop-invariant code motion of the commonly used code optimization techniques.
Loop-invariant code motion
If a quantity is calculated inside a loop during iteration and its value is similar for iteration, this can vastly improve efficiency to hoist this outside the loop and calculate its value just once before the loop begins. It is particularly significant with the address-calculation expressions generated through loops over arrays. For accurate implementation, such technique must be utilized with loop inversion, since not all code is safe to be hoisted outside the loop.
For illustration:
for (i=1; i≤10, i++){
x=y*2-(1)
.
}
statement 1 can be hoisted outside the loop assuming value of x and y does not modify in the loop.
Describe language processing activities? There are two different kinds of language processing activities: a. Program generation activities b. Program execution activities
explain michesons inferometer
When a window is repainted by the AWT painting thread, it sets the clipping regions to the area of the window that needs repainting.
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Attributes are declarative tags in code that put in additional metadata into an assembly.
TII stands for? Ans. TII stands for Table of incomplete instructions.
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Over fitting Considerations : Hence in left unchecked there backpropagation in multi-layer networks can be highly susceptible to overfitting itself to the training examples. B
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