>>106248945
>https://www.scientificamerican.com/article/graphic-science-ibm-simulates-4-percent-human-brain-all-of-cat-brain/
That article was from 2011, I would guess they could simulate a far larger fraction by now. If we say doubling every 5 years we have a factor of 8 improvement, so 32 percent of a human brain. That should show some interesting effects.