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# Experimental Results | ||
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## Results on English Datasets | ||
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### MNLI | ||
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* Single-teacher distillation with `GeneralDistiller`: | ||
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| Model (ours) | MNLI | | ||
| :------------- | -------------- | | ||
| **BERT-base-cased** (teacher) | 83.7 / 84.0 | | ||
| T6 (student) | 83.5 / 84.0 | | ||
| T3 (student) | 81.8 / 82.7 | | ||
| T3-small (student) | 81.3 / 81.7 | | ||
| T4-tiny (student) | 82.0 / 82.6 | | ||
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* Multi-teacher distillation with `MultiTeacherDistiller`: | ||
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| Model (ours) | MNLI | | ||
| :------------- | -------------- | | ||
| **BERT-base-cased** (teacher #1) | 83.7 / 84.0 | | ||
| **BERT-base-cased** (teacher #2) | 83.6 / 84.2 | | ||
| **BERT-base-cased** (teacher #3) | 83.7 / 83.8 | | ||
| ensemble (average of #1, #2 and #3) | 84.3 / 84.7 | | ||
| BERT-base-cased (student) | **84.8 / 85.3**| | ||
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### SQuAD | ||
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* Training without Distillation: | ||
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| Model(ours) | SQuAD | | ||
| ------------- | ------------- | | ||
| **BERT-base-cased** | 81.5 / 88.6 | | ||
| T6 | 75.0 / 83.3 | | ||
| T3 | 63.0 / 74.3 | | ||
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* Single-teacher distillation with `GeneralDistiller`: | ||
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| Model(ours) | SQuAD | | ||
| ------------- | ------------- | | ||
| **BERT-base-cased** (teacher) | 81.5 / 88.6 | | ||
| T6 (student) | 80.8 / 88.1 | | ||
| T3 (student) | 76.4 / 84.9 | | ||
| T3-small (student) | 72.3 / 81.4 | | ||
| T4-tiny (student) | 73.7 / 82.5 | | ||
| + DA | 75.2 / 84.0 | | ||
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**Note**: When distilling to T4-tiny, NewsQA is used for data augmentation on SQuAD. | ||
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* Multi-teacher distillation with `MultiTeacherDistiller`: | ||
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| Model (ours) | SQuAD | | ||
| :------------- | -------------- | | ||
| **BERT-base-cased** (teacher #1) | 81.1 / 88.6 | | ||
| **BERT-base-cased** (teacher #2) | 81.2 / 88.5 | | ||
| **BERT-base-cased** (teacher #3) | 81.2 / 88.7 | | ||
| ensemble (average of #1, #2 and #3) | 82.3 / 89.4 | | ||
| BERT-base-cased (student) | **83.5 / 90.0**| | ||
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### CoNLL-2003 English NER | ||
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* Training without Distillation: | ||
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| Model(ours) | SQuAD | | ||
| ------------- | ----------- | | ||
| **BERT-base-cased** | 91.1 | | ||
| BiGRU | 81.1 | | ||
| T3 | 85.3 | | ||
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* Single-teacher distillation with `GeneralDistiller`: | ||
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| Model(ours) | CoNLL-2003 | | ||
| ------------- | ------------- | | ||
| **BERT-base-cased** (teacher) | 91.1 | | ||
| BiGRU | 85.3 | | ||
| T6 (student) | 90.7 | | ||
| T3 (student) | 87.5 | | ||
| + DA | 90.0 | | ||
| T3-small (student) | 57.4 | | ||
| + DA | 76.5 | | ||
| T4-tiny (student) | 54.7 | | ||
| + DA | 79.6 | | ||
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**Note**: HotpotQA is used for data augmentation on CoNLL-2003. | ||
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## Results on Chinese Datasets | ||
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### XNLI | ||
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| Model | XNLI | | ||
| :--------------- | ----------------- | | ||
| **RoBERTa-wwm-ext** (teacher) | 79.9 | | ||
| T3 (student) | 78.4 | | ||
| T3-small (student) | 76.0 | | ||
| T4-tiny (student) | 76.2 | | ||
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### LCQMC | ||
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| Model | LCQMC | | ||
| :--------------- | ----------- | | ||
| **RoBERTa-wwm-ext** (teacher) | 89.4 | | ||
| T3 (student) | 89.0 | | ||
| T3-small (student) | 88.1 | | ||
| T4-tiny (student) | 88.4 | | ||
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### CMRC2018 and DRCD | ||
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| Model | CMRC2018 | DRCD | | ||
| --------------- | ---------------- | ------------ | | ||
| **RoBERTa-wwm-ext** (teacher) | 68.8 / 86.4 | 86.5 / 92.5 | | ||
| T3 (student) | 63.4 / 82.4 | 76.7 / 85.2 | | ||
| + DA | 66.4 / 84.2 | 78.2 / 86.4 | | ||
| T3-small (student) | 24.4 / 48.1 | 42.2 / 63.2 | | ||
| + DA | 58.0 / 79.3 | 65.5 / 78.6 | | ||
| T4-tiny (student) | - | - | | ||
| + DA | 61.8 / 81.8 | 73.3 / 83.5 | | ||
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**Note**: CMRC2018 and DRCD take each other as the augmentation dataset In the experiments. |
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