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Search: Posts Made By: Mysticial
Forum: y-cruncher 2019-07-19, 21:48
Replies: 30
Views: 11,335
Posted By Mysticial
For cases where you suspect the source of the...

For cases where you suspect the source of the digits to be intelligently adversarial, the verification options are more limited. But it still can be sanity checked with BBP.

First of all, there's...
Forum: y-cruncher 2019-07-19, 18:27
Replies: 30
Views: 11,335
Posted By Mysticial
It's depends on which validation you're referring...

It's depends on which validation you're referring to. The difficulty of it will vary.

If you want to validate the digits of an already completed computation:

If all the digits are in one...
Forum: y-cruncher 2019-07-18, 17:41
Replies: 30
Views: 11,335
Posted By Mysticial
The error-check that I've built into the program...

The error-check that I've built into the program is that along with the digits, it also outputs: hash10 = floor(pi * 10^(# of decimal digits)) % M61
hash16 = floor(pi * 16^(# of hexadecimal digits))...
Forum: y-cruncher 2019-07-18, 04:24
Replies: 30
Views: 11,335
Posted By Mysticial
I don't actually have a good answer for that....

I don't actually have a good answer for that. It's just something I kindly ask of the record breakers to do it out of goodwill.

The point is that people will want to access the digits. And I don't...
Forum: y-cruncher 2019-06-28, 21:20
Replies: 30
Views: 11,335
Posted By Mysticial
I recently refactored much of the disk swapping...

I recently refactored much of the disk swapping code to throw in an interface that separates the computation from all the swap file implementation. So now I can do new swap file implementations and...
Forum: y-cruncher 2019-06-28, 20:34
Replies: 30
Views: 11,335
Posted By Mysticial
It's explained in my blog. The bottleneck is a...

It's explained in my blog. The bottleneck is a combination of the network connection and artificial limits set by the platform. The network card on each node itself isn't capable of going above like...
Forum: y-cruncher 2019-06-28, 03:52
Replies: 30
Views: 11,335
Posted By Mysticial
320 GB/s and up isn't possible since that's more...

320 GB/s and up isn't possible since that's more than the memory bandwidth of the system. 120 GB/s is as good as infinite for that node since that's about the memory bandwidth. And that would...
Forum: y-cruncher 2019-03-21, 01:12
Replies: 30
Views: 11,335
Posted By Mysticial
This isn't the first time that Google has pulled...

This isn't the first time that Google has pulled a stunt like this. They did the same thing with SHAttered (https://shattered.io/).

Obviously, they don't attempt something like this unless there's...
Forum: y-cruncher 2019-03-14, 20:36
Replies: 30
Views: 11,335
Posted By Mysticial
Emma told me what that number was, but I'm not...

Emma told me what that number was, but I'm not sure if i can disclose it.
OTOH, some people on HN calculated it to be $170k USD. (https://news.ycombinator.com/item?id=19387564)

I'll just say that...
Forum: y-cruncher 2019-03-14, 16:58
Replies: 30
Views: 11,335
Posted By Mysticial
Google Cloud Compute 31.4 Trillion Digits of Pi

Repost a gazillion times. But I had to drop it here.

Blogs:

My Blog (http://www.numberworld.org/blogs/2019_3_14_pi_record/)
Google Cloud Blog...
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