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title: Downstream Evaluations of Rotary Position Embeddings
description: A head-to-head benchmark comparison of Rotary Position Embeddings (RoPE) versus GPT-style learned position embeddings, using two 1.3B parameter models trained...
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# Downstream Evaluations of Rotary Position Embeddings

**[EleutherAI](https://daily.dev/sources/eleutherai)** · 3 min read · 0 upvotes · 0 comments

## Summary

A head-to-head benchmark comparison of Rotary Position Embeddings (RoPE) versus GPT-style learned position embeddings, using two 1.3B parameter models trained for 100k steps on the Pile with Mesh Transformer JAX. Results across dozens of NLP tasks (lambada, hellaswag, boolq, winogrande, piqa, and many others) show RoPE generally performs slightly better or on par, with no strong consistent trend in either direction. A few tasks favor learned embeddings (triviaqa, sst, webqs), while RoPE leads on others (lambada perplexity, hellaswag, boolq, qnli).

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://blog.eleuther.ai/rotary-embeddings-eval-harness>

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