add eval for attention sink #7150
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Pull Request resolved: #7070 This PR adds the function to evaluate the model's perplexity when AttentionSink is enabled. This is mostly copied from https://github.com/mit-han-lab/streaming-llm/blob/main/examples/eval_long_ppl.py which is used by the AttentionSink paper to evaluate the model's perplexity when AttentionSink is enabled. ghstack-source-id: 256108079 @exported-using-ghexport Differential Revision: [D66474732](https://our.internmc.facebook.com/intern/diff/D66474732/)
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/7150
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This reverts commit 5cd90a1.
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* Transform model to be able to use Attention Sink Pull Request resolved: #6700 This PR adds necessary functions for transforming the model to be able to use Attention Sink. ghstack-source-id: 256108077 @exported-using-ghexport Differential Revision: [D65571289](https://our.internmc.facebook.com/intern/diff/D65571289/) * Update eager runner to support AttentionSink Pull Request resolved: #6921 This PR updates the eager runner to support AttentionSink. It also fixes issues in the `chat_completion` function to properly handle the position id. ghstack-source-id: 256108078 Differential Revision: [D66076486](https://our.internmc.facebook.com/intern/diff/D66076486/) * add eval for attention sink (#7150) Pull Request resolved: #7070 This PR adds the function to evaluate the model's perplexity when AttentionSink is enabled. This is mostly copied from https://github.com/mit-han-lab/streaming-llm/blob/main/examples/eval_long_ppl.py which is used by the AttentionSink paper to evaluate the model's perplexity when AttentionSink is enabled. ghstack-source-id: 256108079 @exported-using-ghexport Differential Revision: [D66474732](https://our.internmc.facebook.com/intern/diff/D66474732/) Co-authored-by: Lunwen He <lwhecser@gmail.com> --------- Co-authored-by: Lunwen He <lwhecser@gmail.com>
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This PR was created by the merge bot to help merge the original PR into the main branch.
ghstack PR number: #7070
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ghstack PR base: https://github.com/pytorch/executorch/tree/gh/helunwencser/80/base
ghstack PR head: https://github.com/pytorch/executorch/tree/gh/helunwencser/80/head
Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/helunwencser/78/orig
Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/helunwencser/80/orig
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