Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

"human brains could follow" feels like a few jumps ahead? a fruit fly has on the order of 100k neurons, a human brain has on the order of 100 billion neurons. that's 6 orders of magnitude larger. that's like saying "A map of San Francisco has been completed, the entire solar system could follow!"


The method used seems like it would work as well on bigger brains.

The amount of data may mean we have to wait for Moore's Law to keep improving things for a while though.


The method used required 3 million manual human corrections. Even if Moore's Law actually still meant anything for compute power, this is still many orders of magnitude from scaling to a human brain.


Moores law ended.


Depends which of the many similar but subtly different things with that name was meant.

In this context, what matters is "how many operations can I get done for a dollar?", and that's still very much improving very fast, albeit not quite as fast as before.


It applied to transistor density and it’s over. Its completely and utterly true and it’s agreed upon by experts.

https://cap.csail.mit.edu/death-moores-law-what-it-means-and....

I’m not making this stuff up.


The original formulation was "The complexity for minimum component costs has increased at a rate of roughly a factor of two per year", which stopped being true almost immediately and very soon got mixed up with "performance doubles every 18 months".

Dennard scaling is long dead, as is the clock frequency race; but features are still slowly getting smaller (your own link says so), as is energy consumption per operation. The latter, J/op, is the critical issue for big data centres. Brains are obviously better than transistors at this, and IIRC by that measure transistors are still getting roughly twice as good every 2.6 years.


> but features are still slowly getting smaller (your own link says so)

From the link: "Although miniaturization is still happening, the Moore’s Law standard of doubling the components on a semiconductor chip every two years has been broken"

I'm not saying things aren't getting smaller. I'm saying moores law is broken.


> I'm not saying things aren't getting smaller. I'm saying moores law is broken.

And I'm saying that Moore's original statement was already broken by 1975.

And that the whole phrase means loads of different things that Moore never actually said, and the one of those which matters here is still true.


> If you ask MIT Professor Charles Leiserson, Moore’s Law has been over since at least 2016.

That’s from the link. I largely agree. Colloquially it’s over after 2016. Any other interpretation is too pedantic imo.


How is anything other than joules per operation relevant in the context of this thread? That's the only variant that matters here.

(Well, dollars per operation, but assuming energy costs are fixed…)


The context is improvement in general.


Given that for a map, it is the sqkm which matters, 6 orders of magnitude from the map of San Francisco is a jump from 121 sqkm to 121 000 000 sqkm ... which is not even all dry land on Earth, much less in the Solar System.

Surely a daunting task, but depending on the tools used to create the smaller map, possibly a realistic one. Maybe with a bit of a less precision.


Well assuming the same density it's "only" 100 times bigger in linear dimensions. Doesn't sound quite as crazy...


Isn't that just saying "if you take the cube root of the number, it's a smaller number"?

I don't mean to be facetious - I'm struggling to to see what other consideration this helps with.


The physical process of cutting. We're physically sectioning 3 dimensional blocks of tissue.


I thought it was intended as more of a pun on questionable displays of human intelligence.




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: