Maybe it wouldn’t be an algorithm, maybe it would be a reporting site where you can review your experience if there’s no way to calculate it.

LocalLLaMA subreddit usually has some interesting benchmarks and reports.

Here is one example, testing performance of different GPUs and Macs with various flavours of Llama:

https://github.com/XiongjieDai/GPU-Benchmarks-on-LLM-Inferen...