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Search: Posts Made By: diep
Forum: Hardware 2021-11-21, 12:41
Replies: 7
Views: 551
Posted By diep
If you first run something in 2X seconds. Then...

If you first run something in 2X seconds. Then you run something in X seconds because you take the steps 2x faster, then that's a linear speedup.

However what we notice last years is that...
Forum: Lounge 2021-11-18, 09:12
Replies: 1,145
Views: 101,513
Posted By diep
Uncwilly - if you would read the reports written...

Uncwilly - if you would read the reports written you'd notice that James Webb is a telescope going to a Lagrange point and it should have a goldplated mirror which therefore determines what...
Forum: Lounge 2021-11-18, 02:03
Replies: 1,145
Views: 101,513
Posted By diep
You might want to click 'reject' on the turkish...

You might want to click 'reject' on the turkish website. But here it is:

https://interestingengineering.com/scientists-may-have-unwittingly-spotted-planet-nine-in-our-solar-system

And:
...
Forum: Hardware 2021-11-12, 16:17
Replies: 7
Views: 551
Posted By diep
The huge difference between cpu's and gpu's is...

The huge difference between cpu's and gpu's is not just 1 difference. It's many.

First important difference is how execution units work. If you say on a cpu: a = (x % 2); b = a+5;
This can get...
Forum: Hardware 2021-11-12, 02:03
Replies: 0
Views: 118
Posted By diep
current speed stats Xeon e5-2699v4 ES

Hello!

VBCurtis asked me to show speed of what i have here. A comparision of some kind to a threadripper would be nice.
The program LLR2 v1.1.1 i'm using gwnum 30.4 at all 44 cores.

That...
Forum: Software 2021-10-29, 22:21
Replies: 16
Views: 1,368
Posted By diep
Using LLR2 here now. It uses gwnum 30.4 So...

Using LLR2 here now. It uses gwnum 30.4

So that's not the latest. It's 1% slower than LLR64 bits based upon gwnum 29.8

No idea what causes the slowdown but it's systematic slowdown. Code seems...
Forum: Lounge 2021-10-27, 20:14
Replies: 1,808
RIP
Views: 188,429
Posted By diep
Of course i could follow the affairs of Veerman...

Of course i could follow the affairs of Veerman in my native language Dutch. The unclearness is basically how intelligence agencies messed up major league and how they start investigations always too...
Forum: Software 2021-10-22, 22:46
Replies: 7
Views: 487
Posted By diep
Using LLR2 now which is 30.4 based. What...

Using LLR2 now which is 30.4 based.

What would be needed to put in inifile to enforce it use PRP test and use Gerbicz Error Check (GEC)?
Forum: GPU Computing 2021-10-22, 11:54
Replies: 3,519
Views: 450,204
Posted By diep
The best way to look at such things from back...

The best way to look at such things from back then is the total unknown factor. Even very good programmers, amongst the best in the world, had zero experience in programming for a GPU. CUDA wasn't...
Forum: GPU Computing 2021-10-22, 11:31
Replies: 3,519
Views: 450,204
Posted By diep
Scrolled through it - has nice pseudocode. Yet...

Scrolled through it - has nice pseudocode. Yet you know, RSA is very simple to put in gpu hardware because everywhere you take the modulo using the same public key n, so basically all cores basically...
Forum: Riesel Prime Search 2021-10-21, 23:58
Replies: 1,051
Views: 155,825
Posted By diep
k=81 might be a good one! Good luck! (had told...

k=81 might be a good one! Good luck! (had told Paul to jump on it - too late now!)
Forum: Lounge 2021-10-20, 12:16
Replies: 1
Views: 208
Posted By diep
Space - Live Online broadcasts

Dare student team from The Netherlands tries later this day launch in Portugal. Though far far away from that the clock starts at 3.5 hours ahead, live stream already opened at youtube.
...
Forum: Lounge 2021-10-18, 13:58
Replies: 1,145
Views: 101,513
Posted By diep
Actually - i received some source code from a...

Actually - i received some source code from a NASA guy some years ago on calculating a missile trajectory.

You do realize you speak here to a guy whose main job it is to develop robotics and...
Forum: Lounge 2021-10-18, 13:01
Replies: 1,145
Views: 101,513
Posted By diep
0.5 billion to bring 4 guys to ISS? Couple...

0.5 billion to bring 4 guys to ISS?

Couple of gallons of RPI in a rocket. The same rocket gets used to bring food to ISS, which costs a fraction of that.

You and i can build such rocket if we...
Forum: Lounge 2021-10-18, 12:50
Replies: 1,145
Views: 101,513
Posted By diep
In 2018 an attempt with stratos 3 - it exploded...

In 2018 an attempt with stratos 3 - it exploded regrettably in the air.

Launch preparations for attempt number 2 of Stratos 4 are on their way as one can follow on facebook in pictures:...
Forum: Lounge 2021-10-18, 12:44
Replies: 1,145
Views: 101,513
Posted By diep
Some years ago a guy on quora posted a few he...

Some years ago a guy on quora posted a few he managed to find by google.

https://www.quora.com/Is-SpaceX-funded-by-the-government?share=1

Also lists a 4.x billion to Boeing who partnered up...
Forum: Lounge 2021-10-18, 12:39
Replies: 1,145
Views: 101,513
Posted By diep
That would be mainly federal subsidies yet if you...

That would be mainly federal subsidies yet if you google you'll find here and there also local ones.

If you google you can find some. SpaceX has gotten billions. A few years ago i saw 2 billion....
Forum: Lounge 2021-10-18, 01:23
Replies: 1,145
Views: 101,513
Posted By diep
More interesting to follow is the amateurteams or...

More interesting to follow is the amateurteams or for example in this case a student team.
Wednesday 20 october 2021 (european time and exact time schedule follows) launch planned for the students...
Forum: Software 2021-10-18, 00:55
Replies: 8
Views: 329
Posted By diep
When i'm thinking about it - there is simple way...

When i'm thinking about it - there is simple way to have the arduino monitor the machine.

2 pins of machine give when it is up and running - arduino can detect that.
2 pins it can short for a few...
Forum: Software 2021-10-18, 00:42
Replies: 8
Views: 329
Posted By diep
Yes i'm bit more advanced here with the robotics...

Yes i'm bit more advanced here with the robotics experience and busy releasing a 3d printer which even has SSR's (solid state relays).

In this case it would be a simple relay that gives a little...
Forum: Riesel Prime Search 2021-10-17, 23:59
Replies: 439
Views: 85,607
Posted By diep
Aha i see - your Ingliz understanding is not so...

Aha i see - your Ingliz understanding is not so 'great'.

"right now" in that old posting means the break even point shifted.

So after initial sieving of [2m - 30m] as i had already tested up...
Forum: Riesel Prime Search 2021-10-17, 23:46
Replies: 439
Views: 85,607
Posted By diep
Why do you post this nonsense? I said searched...

Why do you post this nonsense? I said searched 'until' 7m.
Of course i started at zero there.
Forum: Software 2021-10-17, 22:38
Replies: 8
Views: 329
Posted By diep
software advice needed - sieving short periods of time

Hello,

Now i'm in robotics, so having hardware that reads temperatures is pretty easy for me to produce and connect to a computer. Pretty standard hardware huh. My 3d printers have sensors all...
Forum: Riesel Prime Search 2021-10-17, 22:30
Replies: 439
Views: 85,607
Posted By diep
k=32767 - searched to 7M. continuing (sieved it...

k=32767 - searched to 7M. continuing (sieved it to 30M and will continue sieving it further as removal rate still was ok though electricity costs $$$ - will fire up box in office in winter as office...
Forum: Software 2021-10-16, 19:10
Replies: 7
Views: 487
Posted By diep
Difference in residue LLR4.0 vs LLR2 1.1.1

Tested at this internet box Xeon L5420

Different residues:

sllr64 version 4.0 gwnum 30.6 :
9473*2^1024968-1 is not prime. RES64: 20E2F460750CC947. Time : 1280.557 sec.
9473*2^1025002-1 is...
Showing results 1 to 25 of 781

 
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