Welcome to your ultimate guide on using CPU-optimized quantizations of the Meta-Llama-3.1-405B-Instruct model! This article aims to provide user-friendly instructions to download and effectively utilize these quantized models, along with some troubleshooting tips.
Understanding the CPU-Optimized Quantizations
The models available in this repository are carefully optimized to run efficiently on CPU hardware while still delivering good performance. You can think of it like fitting a large puzzle into a smaller box; the quantization process adjusts the data so that it maintains functionality while reducing size and complexity.
Available Quantizations
Here’s a quick overview of the available quantized models:
- Q4_0_4_8 (CPU FMA-Optimized): ~246 GB
- IQ4_XS (Fastest for CPU/GPU): ~212 GB
- Q2K-Q8 Mixed quant with iMatrix: ~154 GB
- Q2K-Q8 Mixed without iMat for testing: ~165 GB
- 1-bit Custom per weight COHERENT quant: ~103 GB
- BF16: ~811 GB (original model)
- Q8_0: ~406 GB (original model)
How to Download the Models
To download these models efficiently, you can use Aria2 for parallelized downloads which makes the process up to 9x faster. Follow these commands based on your operating system:
For Linux
Open your terminal and run:
sudo apt install -y aria2
For Mac
In your terminal, type:
brew install aria2
Step-by-Step Download Instructions
Below are the commands you can use to download each model using Aria2:
Q4_0_48 (CPU FMA Optimized)
aria2c -x 16 -s 16 -k 1M -o meta-405b-inst-cpu-optimized-q4048-00001-of-00006.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-inst-cpu-optimized-q4048-00001-of-00006.gguf
aria2c -x 16 -s 16 -k 1M -o meta-405b-inst-cpu-optimized-q4048-00002-of-00006.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-inst-cpu-optimized-q4048-00002-of-00006.gguf
aria2c -x 16 -s 16 -k 1M -o meta-405b-inst-cpu-optimized-q4048-00003-of-00006.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-inst-cpu-optimized-q4048-00003-of-00006.gguf
aria2c -x 16 -s 16 -k 1M -o meta-405b-inst-cpu-optimized-q4048-00004-of-00006.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-inst-cpu-optimized-q4048-00004-of-00006.gguf
aria2c -x 16 -s 16 -k 1M -o meta-405b-inst-cpu-optimized-q4048-00005-of-00006.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-inst-cpu-optimized-q4048-00005-of-00006.gguf
aria2c -x 16 -s 16 -k 1M -o meta-405b-inst-cpu-optimized-q4048-00006-of-00006.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-inst-cpu-optimized-q4048-00006-of-00006.gguf
IQ4_XS Version
aria2c -x 16 -s 16 -k 1M -o meta-405b-cpu-i1-q4xs-00001-of-00005.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-cpu-i1-q4xs-00001-of-00005.gguf
aria2c -x 16 -s 16 -k 1M -o meta-405b-cpu-i1-q4xs-00002-of-00005.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-cpu-i1-q4xs-00002-of-00005.gguf
aria2c -x 16 -s 16 -k 1M -o meta-405b-cpu-i1-q4xs-00003-of-00005.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-cpu-i1-q4xs-00003-of-00005.gguf
aria2c -x 16 -s 16 -k 1M -o meta-405b-cpu-i1-q4xs-00004-of-00005.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-cpu-i1-q4xs-00004-of-00005.gguf
aria2c -x 16 -s 16 -k 1M -o meta-405b-cpu-i1-q4xs-00005-of-00005.gguf https://huggingface.co/nisten/meta-405b-instruct-cpu-optimized-gguf/resolve/main/meta-405b-cpu-i1-q4xs-00005-of-00005.gguf
Using the Models
Once you have downloaded the models, you can utilize them with libraries like llama.cpp. Here’s a basic usage example:
./llama-cli -t 32 --temp 0.4 -fa -m ~/meow/meta-405b-inst-cpu-optimized-q4048-00001-of-00006.gguf -b 512 -c 9000 -p "Adopt the persona of a NASA JPL mathematician and friendly helpful programmer." -cnv -co -i
Troubleshooting
If you encounter issues while downloading or using the models, here are some tips:
- Slow Downloads: Ensure that you have a stable internet connection and are using Aria2 for faster downloads.
- Corrupted Files: If the downloads seem corrupted, try redownloading them or check if the URLs are accessible.
- Compatibility Issues: Be sure to run these models in an environment that supports the required libraries.
- For more insights, updates, or to collaborate on AI development projects, stay connected with fxis.ai.
Conclusion
By utilizing these CPU-optimized models, you can leverage the capabilities of AI while keeping resource consumption in check. We hope this guide helps you in getting started!
At fxis.ai, we believe that such advancements are crucial for the future of AI, as they enable more comprehensive and effective solutions. Our team is continually exploring new methodologies to push the envelope in artificial intelligence, ensuring that our clients benefit from the latest technological innovations.

