OPT-IML 30B
| Property | Value |
|---|---|
| License | Other |
| Paper | arxiv:2212.12017 |
| Training Infrastructure | 64 40GB A100 GPUs |
| Training Data | ~2000 NLP tasks |
What is opt-iml-30b?
OPT-IML 30B is an advanced instruction-tuned language model developed by Facebook, based on the OPT architecture. It represents a significant advancement in Instruction Meta-Learning (IML), trained on approximately 2000 NLP tasks consolidated from 8 different benchmarks including Super-NaturalInstructions, FLAN, and PromptSource.
Implementation Details
The model utilizes GPT2 byte-level Byte Pair Encoding for tokenization, with a vocabulary size of 50,272 and handles sequences of 2048 consecutive tokens. During fine-tuning, the model processed approximately 2 billion tokens, representing just 0.6% of the original OPT pre-training budget.
- Half-precision loading recommended for optimal performance
- Custom tokenizer implementation (non-fast version required)
- Efficient memory management for GPU deployment
Core Capabilities
- Instruction-based task processing across multiple NLP domains
- Enhanced performance compared to baseline OPT models
- Versatile text generation and task completion
- Efficient processing of complex NLP tasks
Frequently Asked Questions
Q: What makes this model unique?
OPT-IML 30B stands out for its comprehensive instruction-tuning on a diverse set of ~2000 NLP tasks, making it particularly effective for meta-learning applications. The model offers two versions: one trained on 1500 tasks with held-out evaluation sets, and OPT-IML-Max trained on all tasks.
Q: What are the recommended use cases?
The model is best suited for complex NLP tasks requiring instruction-based processing. However, users should note the model's limitations regarding factual correctness and potential biases, making it important to implement responsible usage practices.
