RALI-OLST-ILFC Weekly Talks
On Wednesdays at 11:30 a.m. (Montreal time), we hold a one-hour talk on a language processing or linguistics topic. It is typically offered in hybrid mode (in person/videoconference). Once a month, the talk is organized by the French research group Linguistique Informatique, Formelle et de Terrain.
Length Extrapolation by Manipulating Transformer’s Positional Encoding
Suyuchen Wang (suyuchen (point) wang <at> umontreal (point) ca)
RALI, DIRO
Wednesday 11 October 2023 at 11:30 AM
Salle 3195, Pavillon André-Aisenstadt — Diffusion simultanée sur Zoom
Transformers, while powerful, struggle with longer sequences due to their quadratic complexity. This talk will address this challenge by introducing recent novel methods for length extrapolation using positional encoding. Specifically, we'll explore two low-cost strategies based on rotary position encoding. Additionally, a brief overview of other recent extrapolation techniques and their limitations will be presented. The session will conclude with insights into current challenges and potential directions for future work. This seminar aims to provide attendees with practical solutions for extending Transformer's reach without extensive training overhead.
Recording: https://drive.google.com/file/d/1Uw3JI8W229FuVfOZWlYJiNuys_MwZIbX/view?usp=drive_link
Join with Zoom at this url.
Meeting ID: 916 9097 5818, 𝑷𝒂𝒔𝒔𝒄𝒐𝒅𝒆: 343273.
Phone numbers: https://umontreal.zoom.us/u/abitNZzLg.
One tap mobile: +14388097799,,91690975818#,,,,,,0#,,343273#
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http://rali.iro.umontreal.ca/rali/?q=fr/node/1631
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