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heidloff.net - Building is my Passion
Niklas Heidloff
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Mixtral Agents with Tools for Multi-turn Conversations

Larger Large Language Models like ChatGPT can be prompted to behave as agents for specific use cases. They can return output in certain formats, and they can return instructions to invoke code. Thi...

Highlights of my technical Work in 2023

What a great year 2023 has been! When ChatGPT was published at the end of 2022, I knew it would change the world. I wanted to learn and understand this technology. Fortunately, through my network ...

Evaluating LoRA Fine-Tuning Results

After Large Language Models have been fine-tuned, the quality needs to be evaluated. This post describes a simple s example utilizing a custom evaluation mechanism. For standard LLM tasks there ar...

Fine-Tuning LLMs with LoRA on a small GPU

Smaller and/or quanitzed Large Language Models can be fine-tuned on a single GPU. For example for FLAN T5 XL (3b) a Nvidia V100 GPU with 16GB is sufficient. This post demonstrates a simple example ...

Preparing LLM LoRA Fine-Tuning locally

Before the actual fine-tuning of Large Language Models can start, data needs to be prepared and the code needs to be checked whether it works. This post describes how to do this efficiently locally...

Deploying a Virtual Server with GPU in the IBM Cloud

Fine-tuning Large Language Models requires GPUs. When tuning small and/or quantized models, single GPUs can be sufficient. This post explains how to leverage a Nvidia V100 GPU in the IBM Cloud. Ov...

Training Models locally via Containers

Training and fine-tuning models takes time. During this process it’s important to see progress. This post describes how to visualize output in Tensorboard running locally. The Hugging Face Trainer...

Metrics to evaluate Search Results

Via Retrieval Augmented Generation search results can be passed as context into prompts to Large Language Models to support the models to generate good responses. Passing the right search results i...

Hybrid and Vector Searches with Elasticsearch

Semantic searches allow finding relevant information even if there are no classic keyword matches. Recent research has shown that combinations of semantic and classic keyword searches often outperf...

Semantic Searches with Elasticsearch

In the most recent versions Elasticsearch provides semantic searches. This post summarizes how this new functionality can be utilized. Semantic searches allow finding relevant information even if ...

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The postings on this site are my own and don’t necessarily represent IBM’s positions, strategies or opinions.
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