Findings of the WMT 2021 Shared Task on Efficient Translation

Kenneth Heafield, Qianqian Zhu, Roman Grundkiewicz

Research output: Chapter in Book/Report/Conference proceedingConference contribution


The machine translation efficiency task challenges participants to make their systems faster and smaller with minimal impact on translation quality. How much quality to sacrifice for efficiency depends upon the application, so participants were encouraged to make multiple submissions covering the space of trade-offs. In total, there were 53 submissions by 4 teams. There were GPU, single-core CPU, and multi-core CPU hardware tracks as well as batched throughput or single-sentence latency conditions. Submissions showed hundreds of millions of words can be translated for a dollar, average latency is 5--17 ms, and models fit in 7.5--150 MB.
Original languageEnglish
Title of host publicationProceedings of the Sixth Conference on Machine Translation
Place of PublicationStroudsburg, PA, USA
PublisherAssociation for Computational Linguistics
Number of pages13
ISBN (Print)978-1-954085-94-7
Publication statusPublished - 10 Nov 2021
EventEMNLP 2021 Sixth Conference on Machine Translation (WMT) - Punta Cana, Dominican Republic
Duration: 10 Nov 202111 Nov 2021
Conference number: 6


ConferenceEMNLP 2021 Sixth Conference on Machine Translation (WMT)
Abbreviated titleWMT 21
Country/TerritoryDominican Republic
CityPunta Cana
Internet address


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