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arif-butt/
tinyllama-trl-merged

Name: tinyllama-trl-merged
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🦙 TinyLlama TRL Merged - Complete Fine-tuned Model

📋 Model Overview

This is a fully merged and standalone model of TinyLlama (1.1B parameters) fine-tuned using TRL (Transformer Reinforcement Learning) framework with LoRA adapters. The LoRA weights have been permanently merged into the base model, creating a single complete model that can be loaded without any adapter libraries.

Key Features

Feature	Description
Standalone	No PEFT library required — single model file
Fine-tuned	Custom trained on educational Q&A dataset
Optimized	FP16 precision for memory efficiency
Production Ready	Single folder deployment
Chat Optimized	Fine-tuned for conversational responses

Model Architecture

Component	Specification
Base Model	TinyLlama-1.1B-Chat-v1.0
Architecture	Llama-based transformer decoder
Total Parameters	1,100,000,000 (1.1B)
Context Length	2048 tokens
Hidden Size	2048
Intermediate Size	5632
Number of Layers	22
Number of Attention Heads	32
Number of Key/Value Heads	4 (GQA)
Head Dimension	64
Activation Function	SwiGLU
Positional Encoding	RoPE (Rotary Position Embedding)
Attention Mechanism	Grouped-Query Attention (GQA)
Precision	FP16 (float16)

🚀 Usage Guide

Installation

bash

pip install transformers torch accelerate

Method 1: Direct Transformers Loading
from transformers import AutoTokenizer, AutoModelForCausalLM
import torch

# Load model and tokenizer
model_id = "arif-butt/tinyllama-trl-merged"
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(
    model_id,
    torch_dtype=torch.float16,
    device_map="auto",
    trust_remote_code=True,
)
model.eval()

# Define prompt template
prompt = "Q: What is machine learning?\nA:"

# Tokenize
inputs = tokenizer(prompt, return_tensors="pt").to(model.device)

# Generate
with torch.no_grad():
    outputs = model.generate(
        **inputs,
        max_new_tokens=150,
        temperature=0.7,
        top_p=0.95,
        do_sample=True,
        repetition_penalty=1.1,
        pad_token_id=tokenizer.eos_token_id,
    )

# Decode and print
response = tokenizer.decode(outputs[0], skip_special_tokens=True)
print(f"Prompt: {prompt}")
print(f"Response: {response[len(prompt):].strip()}")

Method 2: Pipeline for Simple Inference
from transformers import pipeline

pipe = pipeline(
    "text-generation",
    model="arif-butt/tinyllama-trl-merged",
    torch_dtype=torch.float16,
    device_map="auto",
)

prompt = "Q: Explain neural networks in simple terms\nA:"
result = pipe(prompt, max_new_tokens=150, temperature=0.7, do_sample=True)
print(result[0]["generated_text"])