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Forum: Chess 2021-01-26, 12:50
Replies: 1
Views: 55
Posted By retina
Perhaps adding Huffman encoding on top of IPA can...

Perhaps adding Huffman encoding on top of IPA can show some improvement.

And one step further is full algebraic encoding as is used for compression in space probes where every bit sent is...
Forum: Tales From the Crypt(o) 2021-01-26, 11:26
Replies: 270
Views: 50,260
Posted By retina
They are still trying to pretend that without targeting they will all die

https://www.axios.com/google-privacy-friendly-substitute-cookies-test-05c2c28e-77f1-4921-9a99-1ef0c009b064.html The problem isn't about finding a replacement for cookies. The problem is that they...
Forum: Lounge 2021-01-26, 10:55
Replies: 966
Views: 65,525
Posted By retina
I was going to suggest that you co-opt the 300k...

I was going to suggest that you co-opt the 300k cores for a bit of GIMPS work, but then I read on and saw the awful performance.Yuck, only 5.27Gops from 300k cores; averaging a mere 17.5kops each....
Forum: Soap Box 2021-01-26, 03:38
Replies: 359
Views: 31,789
Posted By retina
And that is only the shenanigans that has been...

And that is only the shenanigans that has been discovered and reported.

I'd expect perhaps 1% (maybe less) to be discovered. And a fraction of those discovered to be reported, the rest kept quiet,...
Forum: Number Theory Discussion Group 2021-01-26, 01:37
Replies: 8
Views: 474
Posted By retina
:redface: yes, you are correct. I was somehow...

:redface: yes, you are correct. I was somehow seeing x^2+y^2=3^2.
Forum: Soap Box 2021-01-26, 01:32
Replies: 359
Views: 31,789
Posted By retina
Those remote faceless companies running the...

Those remote faceless companies running the "security" surveillance systems can always be trusted, no matter what, right?
...
Forum: Number Theory Discussion Group 2021-01-26, 00:55
Replies: 8
Views: 474
Posted By retina
Yes, if we ignore [(9/5), (12/5)], and an...

Yes, if we ignore [(9/5), (12/5)], and an infinity of other points.

:crank:
Forum: Soap Box 2021-01-24, 22:29
Replies: 171
Views: 22,309
Posted By retina
FTFY

FTFY
Forum: PrimeNet 2021-01-24, 09:36
Replies: 2,092
Views: 180,285
Posted By retina
This problem still exists. It has expanded into...

This problem still exists. It has expanded into other parts of the DB.----------=-----=-- | -----=-----=-----=-----=----- | -----=-----=-----=----- | -----=-----=-----=----- |
Exponent Range |...
Forum: Puzzles 2021-01-21, 08:47
Replies: 29
Views: 1,716
Posted By retina
I think that is the point of the puzzle; to...

I think that is the point of the puzzle; to encourage thinking beyond the basic brute force.
Forum: Lounge 2021-01-21, 08:37
Replies: 382
Views: 46,403
Posted By retina
I unlinked at the posters request, but left it...

I unlinked at the posters request, but left it intact (no spaces or funny stuff) so the normal spammer page scrapers can still recognise it.

But would a scammer fall for the penile enlargement...
Forum: Puzzles 2021-01-21, 08:01
Replies: 29
Views: 1,716
Posted By retina
Are you sure it isn't 345^2 * (345^2 - 1) / 2?

Are you sure it isn't 345^2 * (345^2 - 1) / 2?
Forum: PrimeNet 2021-01-21, 07:01
Replies: 3
Views: 157
Posted By retina
The server code expires old assignments when it...

The server code expires old assignments when it is run. Since it doesn't run continuously then expirations are not done continuously. My guess is it runs once per day, and perhaps at other random...
Forum: Lone Mersenne Hunters 2021-01-21, 00:50
Replies: 1,774
Views: 174,926
Posted By retina
23 digits each. I did not bother with...

23 digits each. I did not bother with bits.[/QUOTE]Let me guess. Umm, 74.xxx bits perhaps?
Forum: Science & Technology 2021-01-20, 23:28
Replies: 67
Views: 3,317
Posted By retina
Some posts have been removed.

Some posts have been removed.
Forum: Science & Technology 2021-01-20, 03:37
Replies: 2,861
Views: 190,843
Posted By retina
According to WP:...

According to WP: https://en.wikipedia.org/wiki/File:Heat_of_Vaporization_%28Benzene%2BAcetone%2BMethanol%2BWater%29.png

At room temperature (20C) it is about 44kJ/mol. Which translates to ~480W...
Forum: Science & Technology 2021-01-19, 14:39
Replies: 2,861
Views: 190,843
Posted By retina
https://phys.org/news/2021-01-smart-aerogel-air.ht...

https://phys.org/news/2021-01-smart-aerogel-air.html I'm not sure what they define as a requirement for a "humid environment". I suppose that discounts Antarctica. But the tropics are fair game, and...
Forum: Lounge 2021-01-19, 13:40
Replies: 1,331
Views: 78,918
Posted By retina
The part where he is deemed a danger to others is...

The part where he is deemed a danger to others is laughable. More likely he is being punished for embarrassing the "security" staff.
Forum: PrimeNet 2021-01-15, 13:10
Replies: 12
Views: 454
Posted By retina
Yes.

Yes.
Forum: PrimeNet 2021-01-15, 11:39
Replies: 12
Views: 454
Posted By retina
This. Only your computer does the work. ...

This. Only your computer does the work.

Later someone else will double check it and do it all again on their computer.
Forum: Lounge 2021-01-15, 07:44
Replies: 15
Views: 2,688
Posted By retina
I think that was the intention. Maybe when...

I think that was the intention.

Maybe when magicians make stuff disappear, they are making it move into :davar55: the 4th dimension. :razz:

If time is indeed the 4th dimension then all matter...
Forum: Science & Technology 2021-01-14, 09:08
Replies: 64
Views: 8,856
Posted By retina
Would you consider that sheep have their own...

Would you consider that sheep have their own civilisation? They all hang around together, doing the same things together. And just like most humans they follow the latest trends (apparently) without...
Forum: Puzzles 2021-01-14, 04:49
Replies: 13
Views: 574
Posted By retina
It makes the engineer feel good. It makes...

It makes the engineer feel good. It makes everyone else suffer. :davar55:
Forum: Puzzles 2021-01-13, 10:21
Replies: 13
Views: 574
Posted By retina
I think you can add c3 and c4 maybe. c3: The...

I think you can add c3 and c4 maybe.
c3: The most even linear distribution of values.
c4: The most even logarithmic distribution of values.

Or, as a mathematician might say: the possibilities...
Forum: Viliam Furik 2021-01-13, 08:42
Replies: 17
Views: 364
Posted By retina
The confusion is because of the silly (IMO)...

The confusion is because of the silly (IMO) choice of inverted figures used.

960 us/it ~= 1042 it/s
700 us/it ~= 1429 it/s

So from 1042 it to 1429 it (per s) is 1429/1042 ~= 1.371429...
...
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