Spaces:
Sleeping
Sleeping
Feat: Project files
Browse files- adapters/README.md +202 -0
- adapters/adapter_config.json +34 -0
- adapters/adapter_model.safetensors +3 -0
- adapters/added_tokens.json +40 -0
- adapters/merges.txt +0 -0
- adapters/special_tokens_map.json +24 -0
- adapters/tokenizer.json +0 -0
- adapters/tokenizer_config.json +326 -0
- adapters/vocab.json +0 -0
- app.py +234 -0
- requirements.txt +31 -0
adapters/README.md
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---
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base_model: microsoft/phi-2
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library_name: peft
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---
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# Model Card for Model ID
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<!-- Provide a quick summary of what the model is/does. -->
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## Model Details
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### Model Description
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<!-- Provide a longer summary of what this model is. -->
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- **Developed by:** [More Information Needed]
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- **Funded by [optional]:** [More Information Needed]
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- **Shared by [optional]:** [More Information Needed]
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- **Model type:** [More Information Needed]
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- **Language(s) (NLP):** [More Information Needed]
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- **License:** [More Information Needed]
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- **Finetuned from model [optional]:** [More Information Needed]
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### Model Sources [optional]
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<!-- Provide the basic links for the model. -->
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- **Repository:** [More Information Needed]
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- **Paper [optional]:** [More Information Needed]
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- **Demo [optional]:** [More Information Needed]
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## Uses
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<!-- Address questions around how the model is intended to be used, including the foreseeable users of the model and those affected by the model. -->
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### Direct Use
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<!-- This section is for the model use without fine-tuning or plugging into a larger ecosystem/app. -->
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[More Information Needed]
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### Downstream Use [optional]
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<!-- This section is for the model use when fine-tuned for a task, or when plugged into a larger ecosystem/app -->
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[More Information Needed]
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### Out-of-Scope Use
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<!-- This section addresses misuse, malicious use, and uses that the model will not work well for. -->
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[More Information Needed]
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## Bias, Risks, and Limitations
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<!-- This section is meant to convey both technical and sociotechnical limitations. -->
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[More Information Needed]
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### Recommendations
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<!-- This section is meant to convey recommendations with respect to the bias, risk, and technical limitations. -->
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Users (both direct and downstream) should be made aware of the risks, biases and limitations of the model. More information needed for further recommendations.
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## How to Get Started with the Model
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Use the code below to get started with the model.
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[More Information Needed]
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## Training Details
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### Training Data
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<!-- This should link to a Dataset Card, perhaps with a short stub of information on what the training data is all about as well as documentation related to data pre-processing or additional filtering. -->
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[More Information Needed]
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### Training Procedure
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<!-- This relates heavily to the Technical Specifications. Content here should link to that section when it is relevant to the training procedure. -->
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#### Preprocessing [optional]
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[More Information Needed]
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#### Training Hyperparameters
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- **Training regime:** [More Information Needed] <!--fp32, fp16 mixed precision, bf16 mixed precision, bf16 non-mixed precision, fp16 non-mixed precision, fp8 mixed precision -->
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#### Speeds, Sizes, Times [optional]
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<!-- This section provides information about throughput, start/end time, checkpoint size if relevant, etc. -->
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[More Information Needed]
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## Evaluation
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<!-- This section describes the evaluation protocols and provides the results. -->
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### Testing Data, Factors & Metrics
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#### Testing Data
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<!-- This should link to a Dataset Card if possible. -->
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[More Information Needed]
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#### Factors
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<!-- These are the things the evaluation is disaggregating by, e.g., subpopulations or domains. -->
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[More Information Needed]
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#### Metrics
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<!-- These are the evaluation metrics being used, ideally with a description of why. -->
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[More Information Needed]
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### Results
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[More Information Needed]
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#### Summary
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## Model Examination [optional]
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<!-- Relevant interpretability work for the model goes here -->
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[More Information Needed]
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## Environmental Impact
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<!-- Total emissions (in grams of CO2eq) and additional considerations, such as electricity usage, go here. Edit the suggested text below accordingly -->
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Carbon emissions can be estimated using the [Machine Learning Impact calculator](https://mlco2.github.io/impact#compute) presented in [Lacoste et al. (2019)](https://arxiv.org/abs/1910.09700).
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- **Hardware Type:** [More Information Needed]
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- **Hours used:** [More Information Needed]
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- **Cloud Provider:** [More Information Needed]
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- **Compute Region:** [More Information Needed]
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- **Carbon Emitted:** [More Information Needed]
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## Technical Specifications [optional]
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### Model Architecture and Objective
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[More Information Needed]
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### Compute Infrastructure
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[More Information Needed]
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#### Hardware
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[More Information Needed]
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#### Software
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[More Information Needed]
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## Citation [optional]
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<!-- If there is a paper or blog post introducing the model, the APA and Bibtex information for that should go in this section. -->
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**BibTeX:**
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[More Information Needed]
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**APA:**
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[More Information Needed]
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## Glossary [optional]
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<!-- If relevant, include terms and calculations in this section that can help readers understand the model or model card. -->
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[More Information Needed]
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## More Information [optional]
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[More Information Needed]
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## Model Card Authors [optional]
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[More Information Needed]
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## Model Card Contact
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[More Information Needed]
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### Framework versions
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- PEFT 0.14.0
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adapters/adapter_config.json
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{
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"alpha_pattern": {},
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"auto_mapping": null,
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"base_model_name_or_path": "microsoft/phi-2",
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"bias": "none",
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"eva_config": null,
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"exclude_modules": null,
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"fan_in_fan_out": false,
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"inference_mode": true,
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"init_lora_weights": true,
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"layer_replication": null,
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"layers_pattern": null,
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"layers_to_transform": null,
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"loftq_config": {},
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"lora_alpha": 32,
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"lora_bias": false,
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"lora_dropout": 0.05,
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"megatron_config": null,
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"megatron_core": "megatron.core",
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"modules_to_save": null,
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"peft_type": "LORA",
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"r": 16,
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"rank_pattern": {},
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"revision": null,
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"target_modules": [
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"q_proj",
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"dense",
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"v_proj",
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"k_proj"
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],
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"task_type": "CAUSAL_LM",
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"use_dora": false,
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"use_rslora": false
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}
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adapters/adapter_model.safetensors
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version https://git-lfs.github.com/spec/v1
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oid sha256:e8a057de8de7bf5b6239e976ad62100052736939a014dd69d06e3d67ee97743f
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size 41977360
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adapters/added_tokens.json
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{
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}
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adapters/merges.txt
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adapters/special_tokens_map.json
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{
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"bos_token": {
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"content": "<|endoftext|>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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},
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"eos_token": {
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"content": "<|endoftext|>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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},
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"pad_token": "<|endoftext|>",
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"unk_token": {
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"content": "<|endoftext|>",
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"lstrip": false,
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"normalized": false,
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"rstrip": false,
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"single_word": false
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}
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}
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adapters/tokenizer.json
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adapters/tokenizer_config.json
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1 |
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2 |
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3 |
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317 |
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318 |
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320 |
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326 |
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}
|
adapters/vocab.json
ADDED
The diff for this file is too large to render.
See raw diff
|
|
app.py
ADDED
@@ -0,0 +1,234 @@
|
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|
1 |
+
#!/usr/bin/env python3
|
2 |
+
"""
|
3 |
+
Gradio application for inference with Phi-2 model using LoRA/QLoRA adapters.
|
4 |
+
Pre-loads the model and provides a simple chat interface.
|
5 |
+
"""
|
6 |
+
|
7 |
+
import os
|
8 |
+
import time
|
9 |
+
import torch
|
10 |
+
import gradio as gr
|
11 |
+
from transformers import AutoModelForCausalLM, AutoTokenizer, BitsAndBytesConfig
|
12 |
+
from peft import PeftModel
|
13 |
+
|
14 |
+
# Define constants
|
15 |
+
DEFAULT_MODEL_PATH = "./adapters" # Path to the trained adapters
|
16 |
+
DEFAULT_BASE_MODEL = "microsoft/phi-2" # Base model name
|
17 |
+
DEFAULT_MAX_NEW_TOKENS = 512
|
18 |
+
DEFAULT_TEMPERATURE = 0.7
|
19 |
+
DEFAULT_TOP_P = 0.9
|
20 |
+
DEFAULT_TOP_K = 50
|
21 |
+
|
22 |
+
# Global variables to store the model and tokenizer
|
23 |
+
model = None
|
24 |
+
tokenizer = None
|
25 |
+
|
26 |
+
def load_model(
|
27 |
+
model_path=DEFAULT_MODEL_PATH,
|
28 |
+
base_model=DEFAULT_BASE_MODEL,
|
29 |
+
use_qlora=True,
|
30 |
+
device="cuda"
|
31 |
+
):
|
32 |
+
"""
|
33 |
+
Load the base model and adapter weights.
|
34 |
+
"""
|
35 |
+
global model, tokenizer
|
36 |
+
|
37 |
+
print(f"Loading tokenizer from {base_model}...")
|
38 |
+
tokenizer = AutoTokenizer.from_pretrained(base_model, trust_remote_code=True)
|
39 |
+
if tokenizer.pad_token is None:
|
40 |
+
tokenizer.pad_token = tokenizer.eos_token
|
41 |
+
|
42 |
+
# Configure model loading parameters
|
43 |
+
model_kwargs = {"trust_remote_code": True}
|
44 |
+
|
45 |
+
# Set up quantization for QLoRA if enabled
|
46 |
+
if use_qlora:
|
47 |
+
print("Using 4-bit quantization (QLoRA)")
|
48 |
+
compute_dtype = torch.float16
|
49 |
+
if torch.cuda.is_bf16_supported():
|
50 |
+
compute_dtype = torch.bfloat16
|
51 |
+
|
52 |
+
quantization_config = BitsAndBytesConfig(
|
53 |
+
load_in_4bit=True,
|
54 |
+
bnb_4bit_quant_type="nf4",
|
55 |
+
bnb_4bit_compute_dtype=compute_dtype,
|
56 |
+
bnb_4bit_use_double_quant=True
|
57 |
+
)
|
58 |
+
model_kwargs["quantization_config"] = quantization_config
|
59 |
+
else:
|
60 |
+
model_kwargs["torch_dtype"] = torch.float16 if torch.cuda.is_available() else torch.float32
|
61 |
+
|
62 |
+
# Check if adapter path exists
|
63 |
+
if not os.path.exists(model_path):
|
64 |
+
print(f"Warning: Model path '{model_path}' does not exist. Using base model only.")
|
65 |
+
|
66 |
+
# Load base model
|
67 |
+
print(f"Loading base model {base_model}...")
|
68 |
+
base_model = AutoModelForCausalLM.from_pretrained(
|
69 |
+
base_model,
|
70 |
+
**model_kwargs
|
71 |
+
)
|
72 |
+
|
73 |
+
# Load adapter weights if available
|
74 |
+
if os.path.exists(model_path) and os.path.exists(os.path.join(model_path, "adapter_config.json")):
|
75 |
+
print(f"Loading {'QLoRA' if use_qlora else 'LoRA'} adapters from {model_path}...")
|
76 |
+
model = PeftModel.from_pretrained(base_model, model_path)
|
77 |
+
|
78 |
+
# Special handling for QLoRA - move norm layers to float32 for stability
|
79 |
+
# and ensure model and adapter layers have consistent dtypes
|
80 |
+
if use_qlora:
|
81 |
+
print("Harmonizing model layer dtypes...")
|
82 |
+
working_dtype = torch.float16 if torch.cuda.is_available() else torch.float32
|
83 |
+
|
84 |
+
# First make sure important parts are in float16/32
|
85 |
+
for name, module in model.named_modules():
|
86 |
+
if any(x in name for x in ["lm_head", "embed_tokens"]):
|
87 |
+
module.to(working_dtype)
|
88 |
+
elif "norm" in name:
|
89 |
+
module.to(torch.float32) # Norms should be in fp32 for stability
|
90 |
+
else:
|
91 |
+
model = base_model
|
92 |
+
print("Using base model without adapters")
|
93 |
+
|
94 |
+
# Move model to device
|
95 |
+
device = torch.device(device if torch.cuda.is_available() else "cpu")
|
96 |
+
model = model.to(device)
|
97 |
+
model.eval()
|
98 |
+
|
99 |
+
print(f"Model loaded successfully and moved to {device}!")
|
100 |
+
return model, tokenizer
|
101 |
+
|
102 |
+
|
103 |
+
def generate_response(prompt, chat_history):
|
104 |
+
"""
|
105 |
+
Generate text response from the model.
|
106 |
+
"""
|
107 |
+
global model, tokenizer
|
108 |
+
|
109 |
+
if model is None or tokenizer is None:
|
110 |
+
return chat_history + [(prompt, "Model not loaded yet. Please wait a moment.")]
|
111 |
+
|
112 |
+
# Format prompt for Phi-2
|
113 |
+
formatted_prompt = f"Instruct: {prompt}\nOutput:"
|
114 |
+
|
115 |
+
# Tokenize input prompt
|
116 |
+
device = next(model.parameters()).device
|
117 |
+
input_ids = tokenizer.encode(formatted_prompt, return_tensors="pt").to(device)
|
118 |
+
attention_mask = torch.ones_like(input_ids).to(device)
|
119 |
+
|
120 |
+
# Generate text with robust error handling
|
121 |
+
try:
|
122 |
+
with torch.no_grad():
|
123 |
+
# Explicit type casting
|
124 |
+
input_ids = input_ids.to(torch.long) # IDs should always be long
|
125 |
+
attention_mask = attention_mask.to(torch.float16 if torch.cuda.is_available() else torch.float32)
|
126 |
+
|
127 |
+
# First attempt with simple parameters
|
128 |
+
generated_ids = model.generate(
|
129 |
+
input_ids=input_ids,
|
130 |
+
max_new_tokens=DEFAULT_MAX_NEW_TOKENS,
|
131 |
+
do_sample=True,
|
132 |
+
temperature=DEFAULT_TEMPERATURE,
|
133 |
+
top_p=DEFAULT_TOP_P,
|
134 |
+
top_k=DEFAULT_TOP_K,
|
135 |
+
)
|
136 |
+
except Exception as e:
|
137 |
+
print(f"Generation error: {str(e)}")
|
138 |
+
try:
|
139 |
+
# Fallback: Try with model in eval with forced dtype
|
140 |
+
print("Attempting fallback generation...")
|
141 |
+
with torch.autocast(device_type='cuda' if torch.cuda.is_available() else 'cpu',
|
142 |
+
dtype=torch.float16 if torch.cuda.is_available() else torch.float32):
|
143 |
+
generated_ids = model.generate(
|
144 |
+
input_ids=input_ids,
|
145 |
+
max_new_tokens=DEFAULT_MAX_NEW_TOKENS,
|
146 |
+
do_sample=False, # Use greedy decoding for more stability
|
147 |
+
)
|
148 |
+
except Exception as e2:
|
149 |
+
return chat_history + [(prompt, f"Error generating response: {str(e2)}")]
|
150 |
+
|
151 |
+
# Decode the generated text
|
152 |
+
generated_text = tokenizer.decode(generated_ids[0], skip_special_tokens=True)
|
153 |
+
|
154 |
+
# Extract just the output part
|
155 |
+
output = generated_text.split("Output:")[1].strip() if "Output:" in generated_text else generated_text
|
156 |
+
|
157 |
+
# Update chat history
|
158 |
+
return chat_history + [(prompt, output)]
|
159 |
+
|
160 |
+
|
161 |
+
# Example prompts to demonstrate model capabilities
|
162 |
+
examples = [
|
163 |
+
["Explain the concept of quantum computing in simple terms."],
|
164 |
+
["Write a short story about a robot that learns to paint."],
|
165 |
+
["What are some ethical considerations when developing AI systems?"],
|
166 |
+
["How can I improve my productivity while working from home?"],
|
167 |
+
["Create a meal plan for a vegetarian diet that provides sufficient protein."]
|
168 |
+
]
|
169 |
+
|
170 |
+
|
171 |
+
# Initialize the model at startup
|
172 |
+
print("Pre-loading the model...")
|
173 |
+
try:
|
174 |
+
model, tokenizer = load_model()
|
175 |
+
except Exception as e:
|
176 |
+
print(f"Error loading model: {str(e)}")
|
177 |
+
print("The app will still start, but you may need to check your model path.")
|
178 |
+
|
179 |
+
# Create the Gradio interface
|
180 |
+
with gr.Blocks(title="Supervised Fine Tuned (SFT) Phi-2 with QLoRA Adapters") as demo:
|
181 |
+
gr.Markdown("# Supervised Fine Tuned (SFT) Phi-2 with QLoRA Adapters")
|
182 |
+
gr.Markdown("- Base model (foundation model) Phi-2\n"
|
183 |
+
"- Supervised Fine Tuned (SFT) method is used to fine-tune the model on [OpenAssistant dataset](https://huggingface.co/datasets/OpenAssistant/oasst1?row=0)\n"
|
184 |
+
"- QLoRA Adapters are used to reduce the number of parameters in the model\n"
|
185 |
+
"- This gives the model an ability to answer questions rather than just generating text\n"
|
186 |
+
"- Chat with SFT Phi-2 model with QLoRA Adapters")
|
187 |
+
|
188 |
+
chatbot = gr.Chatbot(height=500)
|
189 |
+
|
190 |
+
with gr.Row():
|
191 |
+
msg = gr.Textbox(
|
192 |
+
label="Type your message here",
|
193 |
+
placeholder="Ask me anything...",
|
194 |
+
show_label=False,
|
195 |
+
scale=9
|
196 |
+
)
|
197 |
+
send_btn = gr.Button("Send", scale=1)
|
198 |
+
|
199 |
+
clear = gr.Button("Clear Chat")
|
200 |
+
|
201 |
+
# Add examples section
|
202 |
+
gr.Markdown("### Example Capabilities")
|
203 |
+
gr.Examples(
|
204 |
+
examples=examples,
|
205 |
+
inputs=msg,
|
206 |
+
outputs=chatbot,
|
207 |
+
fn=generate_response,
|
208 |
+
cache_examples=False,
|
209 |
+
examples_per_page=5
|
210 |
+
)
|
211 |
+
|
212 |
+
# Set up event handlers
|
213 |
+
send_btn.click(generate_response, [msg, chatbot], [chatbot]).then(
|
214 |
+
lambda: "", None, msg # Clear the input box after sending
|
215 |
+
)
|
216 |
+
|
217 |
+
msg.submit(generate_response, [msg, chatbot], [chatbot]).then(
|
218 |
+
lambda: "", None, msg # Clear the input box after sending
|
219 |
+
)
|
220 |
+
|
221 |
+
clear.click(lambda: [], None, chatbot)
|
222 |
+
|
223 |
+
# Launch the app
|
224 |
+
if __name__ == "__main__":
|
225 |
+
# Check GPU status
|
226 |
+
if torch.cuda.is_available():
|
227 |
+
print(f"CUDA available: {torch.cuda.get_device_name(0)}")
|
228 |
+
print(f"Memory allocated: {torch.cuda.memory_allocated() / 1024**3:.2f} GB")
|
229 |
+
print(f"Memory reserved: {torch.cuda.memory_reserved() / 1024**3:.2f} GB")
|
230 |
+
else:
|
231 |
+
print("CUDA not available, using CPU. This will be very slow for inference.")
|
232 |
+
|
233 |
+
# Launch the Gradio app
|
234 |
+
demo.launch(share=True)
|
requirements.txt
ADDED
@@ -0,0 +1,31 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Core dependencies
|
2 |
+
torch>=2.0.0
|
3 |
+
transformers>=4.37.0
|
4 |
+
datasets>=2.12.0
|
5 |
+
accelerate>=0.20.0
|
6 |
+
peft>=0.5.0
|
7 |
+
|
8 |
+
# Quantization and optimization
|
9 |
+
bitsandbytes>=0.40.0
|
10 |
+
optimum>=1.12.0
|
11 |
+
safetensors>=0.3.1
|
12 |
+
|
13 |
+
# Training frameworks
|
14 |
+
pytorch-lightning>=2.0.0
|
15 |
+
deepspeed>=0.10.0
|
16 |
+
|
17 |
+
# Monitoring and logging
|
18 |
+
tensorboard>=2.12.0
|
19 |
+
wandb>=0.15.0
|
20 |
+
matplotlib>=3.7.0
|
21 |
+
evaluate>=0.4.0
|
22 |
+
|
23 |
+
# Data processing
|
24 |
+
nltk>=3.8.0
|
25 |
+
pandas>=2.0.0
|
26 |
+
scipy>=1.10.0
|
27 |
+
tqdm>=4.65.0
|
28 |
+
|
29 |
+
# Optional: For better text processing
|
30 |
+
sentencepiece>=0.1.99
|
31 |
+
tokenizers>=0.13.3
|