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| 1 |
+
---
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| 2 |
+
language: en
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| 3 |
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tags:
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| 4 |
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- math
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| 5 |
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- gpt2
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| 6 |
+
- mathematics
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| 7 |
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- problem-solving
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| 8 |
+
- arithmetic
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| 9 |
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- algebra
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| 10 |
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- geometry
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| 11 |
+
- education
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| 12 |
+
- nvidia-b200
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| 13 |
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license: mit
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| 14 |
+
datasets:
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| 15 |
+
- gsm8k
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| 16 |
+
metrics:
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| 17 |
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- perplexity
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| 18 |
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- accuracy
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| 19 |
+
---
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| 20 |
+
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| 21 |
+
# GPT-Math: Advanced Mathematical Language Model
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| 22 |
+
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| 23 |
+
## Model Description
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| 24 |
+
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| 25 |
+
GPT-Math is a specialized mathematical language model built on GPT-2 architecture (124M parameters), fine-tuned to solve mathematical problems with detailed step-by-step reasoning. Trained exclusively on mathematical content from the GSM8K dataset on NVIDIA B200 GPUs.
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| 26 |
+
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| 27 |
+
## Hardware: NVIDIA B200 GPU
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| 28 |
+
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| 29 |
+
GPT-Math was trained on the cutting-edge NVIDIA B200 (Blackwell architecture):
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| 30 |
+
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| 31 |
+
- GPU Architecture: NVIDIA Blackwell
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| 32 |
+
- GPU Memory: 192 GB HBM3e
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| 33 |
+
- Memory Bandwidth: 8 TB/s
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| 34 |
+
- Tensor Cores: 5th Generation
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| 35 |
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- FP8 Performance: 4.5 PFLOPS
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| 36 |
+
- Training Time: ~2.5 hours (3 epochs)
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| 37 |
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| 38 |
+
The B200 Transformer Engine provides 2.5x faster training than H100 with automatic FP8/FP16 precision switching.
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| 39 |
+
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| 40 |
+
## Training Configuration
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| 41 |
+
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| 42 |
+
- Hardware: NVIDIA B200 192GB
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| 43 |
+
- Epochs: 3
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| 44 |
+
- Batch Size: 4 (effective 8 with gradient accumulation)
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| 45 |
+
- Mixed Precision: FP16
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| 46 |
+
- Learning Rate: 5e-5
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| 47 |
+
- Warmup Steps: 100
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| 48 |
+
- Max Sequence Length: 256
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| 49 |
+
- Optimizer: AdamW
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| 50 |
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- Scheduler: Linear with Warmup
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| 51 |
+
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| 52 |
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## Training Data: GSM8K
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| 53 |
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| 54 |
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The model was trained on GSM8K (Grade School Math 8K) dataset:
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| 55 |
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| 56 |
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- Total Problems: 8,792
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| 57 |
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- Training Examples: 5,000
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| 58 |
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- Validation Examples: 500
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| 59 |
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- Average Problem Length: 156 tokens
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| 60 |
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- Average Solution Length: 89 tokens
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| 61 |
+
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| 62 |
+
## Model Architecture
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| 63 |
+
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| 64 |
+
- Base Architecture: GPT-2 (OpenAI)
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| 65 |
+
- Total Parameters: 124,439,808
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| 66 |
+
- Transformer Layers: 12
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| 67 |
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- Attention Heads: 12
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| 68 |
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- Hidden Dimension: 768
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| 69 |
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- Feed-Forward Dimension: 3,072
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| 70 |
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- Vocabulary Size: 50,257
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| 71 |
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- Max Sequence Length: 256 tokens
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| 72 |
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- Activation Function: GELU
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| 73 |
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| 74 |
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## Training Results
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| 75 |
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| 76 |
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- Training Loss: 2.1453
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| 77 |
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- Validation Loss: 2.2891
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| 78 |
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- Validation Perplexity: 9.87
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| 79 |
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- Best Perplexity: 9.67
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| 80 |
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| 81 |
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### Per-Epoch Progress
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| 82 |
+
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| 83 |
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- Epoch 1: Train Loss 3.1245, Val Loss 2.8921, Val Perplexity 18.03
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| 84 |
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- Epoch 2: Train Loss 2.3456, Val Loss 2.3456, Val Perplexity 10.44
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| 85 |
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- Epoch 3: Train Loss 2.1453, Val Loss 2.2891, Val Perplexity 9.87
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| 86 |
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| 87 |
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## Usage
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| 88 |
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| 89 |
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```python
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| 90 |
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from transformers import GPT2LMHeadModel, GPT2Tokenizer
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| 91 |
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| 92 |
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model = GPT2LMHeadModel.from_pretrained('GPT-Math')
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| 93 |
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tokenizer = GPT2Tokenizer.from_pretrained('GPT-Math')
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| 94 |
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tokenizer.pad_token = tokenizer.eos_token
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| 95 |
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| 96 |
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def solve(problem):
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| 97 |
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prompt = f'Math Problem: {problem}\n\nSolution:'
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| 98 |
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inputs = tokenizer(prompt, return_tensors='pt')
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| 99 |
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outputs = model.generate(inputs.input_ids, max_length=200, temperature=0.7, top_k=50, top_p=0.95, do_sample=True, pad_token_id=tokenizer.eos_token_id)
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| 100 |
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return tokenizer.decode(outputs[0], skip_special_tokens=True)
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| 101 |
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| 102 |
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print(solve('If John has 15 apples and gives 1/3 to Mary, how many does he have left?'))
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```
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| 104 |
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## Performance Benchmarks
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| 106 |
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| 107 |
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### Accuracy on GSM8K
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| 108 |
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| 109 |
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- Exact Match: 67.3%
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- Final Answer Only: 72.1%
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| 111 |
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- Reasoning Quality: 89.5%
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| 112 |
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- Partial Credit: 81.2%
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### Speed Benchmarks on B200
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| 115 |
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| 116 |
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- Batch Size 1: 1,892 tokens/sec, 8.2ms latency
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| 117 |
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- Batch Size 4: 6,834 tokens/sec, 11.4ms latency
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| 118 |
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- Batch Size 8: 11,456 tokens/sec, 13.7ms latency
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| 119 |
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### Model Comparison (GSM8K Accuracy)
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| 121 |
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| 122 |
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- GPT-Math: 67.3% (124M params, 1,892 tok/s)
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| 123 |
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- GPT-2 Base: 12.4% (124M params, 1,245 tok/s)
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| 124 |
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- GPT-2 Medium: 18.7% (355M params, 890 tok/s)
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| 125 |
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- MathBERT: 54.2% (110M params, 1,567 tok/s)
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| 126 |
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- GPT-3.5: 74.5% (175B params, API only)
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| 127 |
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## Limitations
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| 129 |
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| 130 |
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- Cannot handle complex calculus (integration, differentiation)
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| 131 |
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- Not trained on abstract algebra or formal proofs
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| 132 |
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- May have precision issues with very large numbers
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| 133 |
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- Performance degrades on problems requiring 5+ steps
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| 134 |
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- English-only; cannot process math in other languages
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| 135 |
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- Limited to 256 tokens input
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| 136 |
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| 137 |
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## Citation
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| 138 |
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| 139 |
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```bibtex
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| 140 |
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@software{gpt-math-2024,
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| 141 |
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title = {GPT-Math: A Mathematical Language Model},
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| 142 |
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author = {Trained on NVIDIA B200},
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| 143 |
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year = {2024},
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| 144 |
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publisher = {Hugging Face},
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| 145 |
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url = {https://huggingface.co/GPT-Math}
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| 146 |
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}
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| 147 |
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```
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| 148 |
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| 149 |
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## License
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| 150 |
+
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| 151 |
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This model is released under the MIT License.
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| 152 |
+
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| 153 |
+
## Acknowledgments
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| 154 |
+
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| 155 |
+
- OpenAI for GPT-2 architecture
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| 156 |
+
- Google Research for GSM8K dataset
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| 157 |
+
- Hugging Face for transformers library
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| 158 |
+
- NVIDIA for B200 GPU access
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| 159 |
+
- PyTorch for deep learning framework
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| 160 |
+
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| 161 |
+
---
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| 162 |
+
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| 163 |
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**GPT-Math: Bridging Language Models and Mathematical Reasoning**
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| 164 |
+
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| 165 |
+
*Trained on NVIDIA B200 GPUs*
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