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Paper · 2010.01878 · 2020

"LazImpa": Lazy and Impatient neural agents learn to communicate efficiently

arXiv · PDF · Open in the Atlas

Code that ran

We lifted 5 functions out of this paper's own repositories and ran 4 of them in a sandbox. "Ran" means the function executed on a synthesized input and returned a value. It is not a reproduction of the paper's results.

RepositoryRoleRan
MathieuRita/Lazimpa canonical 4 of 5
FunctionStatusWhere it lives
dump_sender_receiver Ran MathieuRita/Lazimpa/egg/core/util.py
code served (permissive licence) · get_code("91d0aad2cab137d2")
init Ran MathieuRita/Lazimpa/egg/core/util.py
code served (permissive licence) · get_code("3c2081da5221dfd6")
parse_json_sweep Ran MathieuRita/Lazimpa/egg/nest/common.py
code served (permissive licence) · get_code("4e69343bf76117a3")
sweep Ran MathieuRita/Lazimpa/egg/nest/common.py
code served (permissive licence) · get_code("7febd697258e8673")
build_optimizer Not yet run MathieuRita/Lazimpa/egg/core/util.py
code served (permissive licence) · get_code("e2719e4662b94c84")

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Abstract

Previous work has shown that artificial neural agents naturally develop surprisingly non-efficient codes. This is illustrated by the fact that in a referential game involving a speaker and a listener neural networks optimizing accurate transmission over a discrete channel, the emergent messages fail to achieve an optimal length. Furthermore, frequent messages tend to be longer than infrequent ones, a pattern contrary to the Zipf Law of Abbreviation (ZLA) observed in all natural languages. Here, we show that near-optimal and ZLA-compatible messages can emerge, but only if both the speaker and the listener are modified. We hence introduce a new communication system, "LazImpa", where the speaker is made increasingly lazy, i.e. avoids long messages, and the listener impatient, i.e.,~seeks to guess the intended content as soon as possible.

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