Introducing BetterBench - more accurate PP and TPS measurement

I built this because the existing benchmarks were using random data and with MTP content types can vary a lot on what performance you see. 5% or more with content types.

BetterBench is designed to have content consistency within 1% and also measures across different content types.

Here are the results running Qwen3.6 27B FP8 on dual R9700's for example:

https://preview.redd.it/atnhjhq20ohh1.png?width=1168&format=png&auto=webp&s=9353f440185373ab02e6cf75db65789f577a0d55

You can find the repo here:

https://github.com/GGZ14/BetterBench