All the core llama.cpp devs are superstar devs and 10x devs or whatever you want to call a super smart person who is also super productive and very good with applied calculus. Jart is very apparently very smart, but their relationship with this project was not without turbulence and at present they (jart) are not a core dev of llama.cpp. So for a while lots of their (i'd like to write her moves, but not sure if correct) actions seem to be aimed at getting attention and perhaps particularly the attention of the same folk.
On the contrary ggerganov, slaren, JohannesGaessler seem to have never chased this sensationalist superstatus, but actually leave their work to speak for them. You'll barely find comments by these people on HN, while jart figures every so often a way to manifest themselves some way on HN. And this behaviour on jart's part now bears fruits - for example Phoronix' Michael Larabel would praise jart for their work on the llamafile, absolutely obliterating the fact that it is largely based on the wonderful work of ggerganov at al.
When they claimed to drastically improve memory utilization through the use of memory maps, despite not doing so and then starting a huge controversy which derailed the project I would say they were a 0.1x dev not a 10x dev.
On the contrary ggerganov, slaren, JohannesGaessler seem to have never chased this sensationalist superstatus, but actually leave their work to speak for them. You'll barely find comments by these people on HN, while jart figures every so often a way to manifest themselves some way on HN. And this behaviour on jart's part now bears fruits - for example Phoronix' Michael Larabel would praise jart for their work on the llamafile, absolutely obliterating the fact that it is largely based on the wonderful work of ggerganov at al.