xjdr
@xjdr.bsky.social
hot takes, linear Algebra, JAX apologist, Raconteur
so far the experience has been pretty good here but the default feeds are _terrible_. feels like its going to take a few weeks to whip these feeds into shape with mutes and "show less like these" plus lots of likes. Following feed is good but i need to follow a lot more people
very interesting work and it reminds me a bit of this paper. Tokenizers and ROPE must die. after samplers, i am on to those next ... arxiv.org/abs/2407.036...
Improving Self Consistency in LLMs through Probabilistic Tokenization
Prior research has demonstrated noticeable performance gains through the use of probabilistic tokenizations, an approach that involves employing multiple tokenizations of the same input string during ...
arxiv.org
It's Sunday morning so taking a minute for a nerdy thread (on math, tokenizers and LLMs) of the work of our intern Garreth By adding a few lines of code to the base Llama 3 tokenizer, he got a free boost in arithmetic performance 😮 [thread]
i keep forgetting to include this cause i always assume people do this by default. Any time there is an exponent or a norm, you should be working in the highest practical precision
All softmaxes, also the output/vocab one. And the normalizations in f32 too.
the BigVision repo is my current reference impl for gemma and ViT. such an underrated repo @giffmana.bsky.social and team are doing the lord's work github.com/google-resea... github.com/google-resea...
big_vision/big_vision/models/ppp/gemma.py at main · google-research/big_vision
Official codebase used to develop Vision Transformer, SigLIP, MLP-Mixer, LiT and more. - google-research/big_vision
github.com
now that people are paying attention again, here is your periodic reminder. Always run in bf16. always apply ROPE and attention softmax at float32 (as shown here) github.com/xjdr-alt/ent...
So first version of an ml anon starter pack. go.bsky.app/VgWL5L Kept half-anons (like me and Vic). Not all anime pfp, but generally drawn.
i trying to follow as many of my old moots as possible and new people as i find them. some of y'all changing your pfp is just mean spirited (im lazy and learned people's pfps not names)
Well this looks shockingly professional. I may have to put on a tie to post here