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  # Phi-3-medium-128k-instruct-FP8
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  ## Model Overview
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- * <h3 style="display: inline;">Model Architecture:</h3> Based on and identical to the Phi-3-medium-128k-instruct architecture
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- * <h3 style="display: inline;">Model Optimizations:</h3> Weights and activations quantized to FP8
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- * <h3 style="display: inline;">Release Date:</h3> June 29, 2024
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- * <h3 style="display: inline;">Model Developers:</h3> Neural Magic
 
 
 
 
 
 
 
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- Phi-3-medium-128k-instruct quantized to FP8 weights and activations using per-tensor quantization through the [AutoFP8 repository](https://github.com/neuralmagic/AutoFP8), ready for inference with vLLM >= 0.5.0.
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- Calibrated with 10 repeats of each token in the tokenizer in random order to achieve 100% performance recovery on the Open LLM Benchmark evaluations.
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- Reduces space on disk by ~50%.
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- Part of the [FP8 LLMs for vLLM collection](https://huggingface.co/collections/neuralmagic/fp8-llms-for-vllm-666742ed2b78b7ac8df13127).
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- ## Usage and Creation
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- Produced using AutoFP8 with random tokens as calibration, based on [AutoFP8 with calibration samples from ultrachat](https://github.com/neuralmagic/AutoFP8/blob/147fa4d9e1a90ef8a93f96fc7d9c33056ddc017a/example_dataset.py).
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  ```python
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  from datasets import load_dataset
@@ -64,63 +111,99 @@ quantized_model_dir = f"{final_model_dir}-FP8"
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  model.save_quantized(quantized_model_dir)
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  ```
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- Evaluated through vLLM>=0.5.1 with the following script:
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-
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- ```bash
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- #!/bin/bash
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-
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- # Example usage:
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- # CUDA_VISIBLE_DEVICES=0 ./eval_openllm.sh "neuralmagic/Phi-3-medium-128k-instruct-FP8" "tensor_parallel_size=1,max_model_len=4096,add_bos_token=True,gpu_memory_utilization=0.7"
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-
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- export MODEL_DIR=${1}
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- export MODEL_ARGS=${2}
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-
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- declare -A tasks_fewshot=(
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- ["arc_challenge"]=25
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- ["winogrande"]=5
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- ["truthfulqa_mc2"]=0
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- ["hellaswag"]=10
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- ["mmlu"]=5
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- ["gsm8k"]=5
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- )
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-
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- declare -A batch_sizes=(
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- ["arc_challenge"]="auto"
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- ["winogrande"]="auto"
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- ["truthfulqa_mc2"]="auto"
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- ["hellaswag"]="auto"
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- ["mmlu"]=1
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- ["gsm8k"]="auto"
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- )
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- for TASK in "${!tasks_fewshot[@]}"; do
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- NUM_FEWSHOT=${tasks_fewshot[$TASK]}
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- BATCH_SIZE=${batch_sizes[$TASK]}
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- lm_eval --model vllm \
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- --model_args pretrained=$MODEL_DIR,$MODEL_ARGS \
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- --tasks ${TASK} \
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- --num_fewshot ${NUM_FEWSHOT} \
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- --write_out \
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- --show_config \
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- --device cuda \
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- --batch_size ${BATCH_SIZE} \
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- --output_path="results/${TASK}"
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- done
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  ```
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-
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- ## Evaluation
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-
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- Evaluated on the Open LLM Leaderboard evaluations through vLLM.
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-
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- ### Open LLM Leaderboard evaluation scores
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- | | Phi-3-medium-128k-instruct | neuralmagic/Phi-3-medium-128k-instruct-FP8<br>(this model) |
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- | :------------------: | :----------------------: | :------------------------------------------------: |
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- | arc-c<br>25-shot | 67.66 | 66.89 |
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- | hellaswag<br>10-shot | 84.37 | 84.14 |
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- | mmlu<br>5-shot | 75.73 | 75.58 |
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- | truthfulqa<br>0-shot | 53.53 | 55.52 |
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- | winogrande<br>5-shot | 75.53 | 74.35 |
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- | gsm8k<br>5-shot | 84.00 | 82.71 |
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- | **Average<br>Accuracy** | **73.47** | **73.20** |
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- | **Recovery** | **100%** | **99.63%** |
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  # Phi-3-medium-128k-instruct-FP8
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  ## Model Overview
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+ - **Model Architecture:** Phi-3
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+ - **Input:** Text
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+ - **Output:** Text
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+ - **Model Optimizations:**
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+ - **Weight quantization:** FP8
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+ - **Activation quantization:** FP8
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+ - **Intended Use Cases:** Intended for commercial and research use in English. Similarly to [Meta-Llama-3-8B-Instruct](https://huggingface.co/meta-llama/Meta-Llama-3-8B-Instruct), this models is intended for assistant-like chat.
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+ - **Out-of-scope:** Use in any manner that violates applicable laws or regulations (including trade compliance laws). Use in languages other than English.
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+ - **Release Date:** 6/29/2024
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+ - **Version:** 1.0
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+ - **Model Developers:** Neural Magic
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+ Quantized version of [Phi-3-medium-128k-instruct](https://huggingface.co/microsoft/Phi-3-medium-128k-instruct).
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+ It achieves an average score of 73.20 on the [OpenLLM](https://huggingface.co/spaces/open-llm-leaderboard/open_llm_leaderboard) benchmark (version 1), whereas the unquantized model achieves 73.47.
 
 
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+ ### Model Optimizations
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+ This model was obtained by quantizing the weights and activations of [Phi-3-medium-128k-instruct](https://huggingface.co/microsoft/Phi-3-medium-128k-instruct) to FP8 data type, ready for inference with vLLM >= 0.5.1.
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+ This optimization reduces the number of bits per parameter from 16 to 8, reducing the disk size and GPU memory requirements by approximately 50%.
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+
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+ Only the weights and activations of the linear operators within transformers blocks are quantized. Symmetric per-tensor quantization is applied, in which a linear scaling per output dimension maps the FP8 representations of the quantized weights and activations.
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+ [AutoFP8](https://github.com/neuralmagic/AutoFP8) is used for quantization with 10 repeats of every token in random order.
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+
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+ ## Deployment
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+
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+ ### Use with vLLM
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+
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+ This model can be deployed efficiently using the [vLLM](https://docs.vllm.ai/en/latest/) backend, as shown in the example below.
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+
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+ ```python
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+ from vllm import LLM, SamplingParams
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+ from transformers import AutoTokenizer
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+
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+ model_id = "neuralmagic/Phi-3-medium-128k-instruct-FP8"
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+
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+ sampling_params = SamplingParams(temperature=0.6, top_p=0.9, max_tokens=256)
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+
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+ tokenizer = AutoTokenizer.from_pretrained(model_id)
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+
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+ messages = [
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+ {"role": "system", "content": "You are a pirate chatbot who always responds in pirate speak!"},
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+ {"role": "user", "content": "Who are you? Remember to respond in pirate speak!"},
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+ ]
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+
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+ prompts = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
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+
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+ llm = LLM(model=model_id)
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+
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+ outputs = llm.generate(prompts, sampling_params)
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+
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+ generated_text = outputs[0].outputs[0].text
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+ print(generated_text)
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+ ```
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+
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+ vLLM also supports OpenAI-compatible serving. See the [documentation](https://docs.vllm.ai/en/latest/) for more details.
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+
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+ ## Creation
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+
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+ This model was created by applying [AutoFP8 with calibration samples from ultrachat](https://github.com/neuralmagic/AutoFP8/blob/147fa4d9e1a90ef8a93f96fc7d9c33056ddc017a/example_dataset.py), as presented in the code snipet below.
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+ Although AutoFP8 was used for this particular model, Neural Magic is transitioning to using [llm-compressor](https://github.com/vllm-project/llm-compressor) which supports several quantization schemes and models not supported by AutoFP8.
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  ```python
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  from datasets import load_dataset
 
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  model.save_quantized(quantized_model_dir)
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  ```
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+ ## Evaluation
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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+ The model was evaluated on the [OpenLLM](https://huggingface.co/spaces/open-llm-leaderboard/open_llm_leaderboard) leaderboard tasks (version 1) with the [lm-evaluation-harness](https://github.com/EleutherAI/lm-evaluation-harness/tree/383bbd54bc621086e05aa1b030d8d4d5635b25e6) (commit 383bbd54bc621086e05aa1b030d8d4d5635b25e6) and the [vLLM](https://docs.vllm.ai/en/stable/) engine, using the following command:
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+ ```
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+ lm_eval \
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+ --model vllm \
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+ --model_args pretrained="neuralmagic/Phi-3-medium-128k-instruct-FP8",dtype=auto,gpu_memory_utilization=0.4,add_bos_token=True,max_model_len=4096 \
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+ --tasks openllm \
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+ --batch_size auto
 
 
 
 
 
 
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  ```
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+ ### Accuracy
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+
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+ #### Open LLM Leaderboard evaluation scores
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+ <table>
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+ <tr>
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+ <td><strong>Benchmark</strong>
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+ </td>
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+ <td><strong>Phi-3-medium-128k-instruct</strong>
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+ </td>
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+ <td><strong>Phi-3-medium-128k-instruct-FP8(this model)</strong>
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+ </td>
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+ <td><strong>Recovery</strong>
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+ </td>
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+ </tr>
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+ <tr>
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+ <td>MMLU (5-shot)
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+ </td>
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+ <td>75.73
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+ </td>
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+ <td>75.58
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+ </td>
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+ <td>99.80%
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+ </td>
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+ </tr>
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+ <tr>
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+ <td>ARC Challenge (25-shot)
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+ </td>
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+ <td>67.66
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+ </td>
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+ <td>66.89
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+ </td>
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+ <td>98.86%
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+ </td>
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+ </tr>
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+ <tr>
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+ <td>GSM-8K (5-shot, strict-match)
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+ </td>
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+ <td>84.00
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+ </td>
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+ <td>82.71
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+ </td>
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+ <td>98.46%
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+ </td>
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+ </tr>
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+ <tr>
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+ <td>Hellaswag (10-shot)
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+ </td>
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+ <td>84.37
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+ </td>
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+ <td>84.14
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+ </td>
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+ <td>99.72%
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+ </td>
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+ </tr>
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+ <tr>
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+ <td>Winogrande (5-shot)
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+ </td>
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+ <td>75.53
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+ </td>
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+ <td>74.35
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+ </td>
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+ <td>98.43%
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+ </td>
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+ </tr>
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+ <tr>
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+ <td>TruthfulQA (0-shot)
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+ </td>
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+ <td>53.53
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+ </td>
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+ <td>55.52
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+ </td>
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+ <td>103.7%
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+ </td>
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+ </tr>
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+ <tr>
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+ <td><strong>Average</strong>
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+ </td>
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+ <td><strong>73.47</strong>
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+ </td>
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+ <td><strong>73.20</strong>
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+ </td>
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+ <td><strong>99.63%</strong>
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+ </td>
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+ </tr>
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+ </table>