Pruning (artificial neural network): Difference between revisions

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{{Short description|Trimming artificial neural networks to reduce computational overhead}}

{{Orphan|date=June 2020}}

{{other uses|Pruning (disambiguation)}}

In the context of [[artificialdeep neural networklearning]], '''pruning''' is the practice of removing [[parameter]]s (whichfrom mayan entail removing individual parameters, or parameters in groups such as byexisting [[artificialNeural neurons|neurons]])network from(machine anlearning)|artificial existingneural network]].<ref>{{cite arXiv|last1=Blalock|first1=Davis|last2=Ortiz|first2=Jose Javier Gonzalez|last3=Frankle|first3=Jonathan|last4=Guttag|first4=John|date=2020-03-06|title=What is the State of Neural Network Pruning?|class=cs.LG|eprint=2003.03033}}</ref> The goal of this process is to maintain accuracy ofreduce the networksize while(parameter increasingcount) itsof [[efficiency]].the Thisneural cannetwork be(and done to reducetherefore the [[computational resource]]s required to run theit) neuralwhilst networkmaintaining accuracy. AThis can be compared to the biological process of [[synaptic pruning]] which takes place in the[[Mammal|mammalian]] brain of mammalsbrains during development.<ref>{{Cite journal |last1=Chechik |first1=Gal |last2=Meilijson |first2=Isaac |last3=Ruppin |first3=Eytan |date=October 1998 |title=Synaptic Pruning in Development: A Computational Account |url=https://ieeexplore.ieee.org/document/6790725 |journal=Neural Computation |volume=10 |issue=7 |pages=1759–1777 |doi=10.1162/089976698300017124 |pmid=9744896 |s2cid=14629275 |issn=0899-7667|url-access=subscription }}</ref> (see also [[Neural Darwinism]]).

== Node (neuron) pruning ==

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#Check a termination condition (to be determined by the user) to see whether to continue pruning.

== Edge (weight) pruning ==

Most work on neural network pruning focuses on removing weights, namely, setting their values to zero. Early work suggested to also change the values of non-pruned weights.<ref>{{Cite journal |last1=Chechik |first1=Gal |last2=Meilijson |first2=Isaac |last3=Ruppin |first3=Eytan |date=April 2001 |title=Effective Neuronal Learning with Ineffective Hebbian Learning Rules |url=https://ieeexplore.ieee.org/document/6789989 |journal=Neural Computation |volume=13 |issue=4 |pages=817–840 |doi=10.1162/089976601300014367 |pmid=11255571 |s2cid=133186 |issn=0899-7667|url-access=subscription }}</ref>

== EdgeSee (weight) pruningalso ==

* [[Knowledge distillation]]

Most work on neural network pruning focuses on removing weights, namely, setting their values to zero.

* [[Neural Darwinism]]

Early work suggested to also change the values of non-pruned weights.<ref>{{Cite journal |last1=Chechik |first1=Gal |last2=Meilijson |first2=Isaac |last3=Ruppin |first3=Eytan |date=April 2001 |title=Effective Neuronal Learning with Ineffective Hebbian Learning Rules |url=https://ieeexplore.ieee.org/document/6789989 |journal=Neural Computation |volume=13 |issue=4 |pages=817–840 |doi=10.1162/089976601300014367 |pmid=11255571 |s2cid=133186 |issn=0899-7667}}</ref>

== References ==

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