Info PrimeGrid Challenges 2025

[Orange Kid]

Thanks Ken g6 for all the updates. 😎

 

[Markfw]

Just a reminder, I will be out of town for the next challenge Aug 4-9.

Sorry guys

 

[Skillz]

Just a reminder, I will be out of town for the next challenge Aug 4-9.

Sorry guys

If you plan to leave your computers running and crunching when you are gone you could always just get a rolling start on the challenge. Just make sure you don't have any tasks waiting to run. So when you start downloading news ones after the start they'll count.

 

[Markfw]

If you plan to leave your computers running and crunching when you are gone you could always just get a rolling start on the challenge. Just make sure you don't have any tasks waiting to run. So when you start downloading news ones after the start they'll count.

It ends the day I come home.

Besides, I only have 4 computers running, my last electric was $1150. Also, as to NOT burn down the house when I am 3500 miles away.

 

[Skillz]

It ends the day I come home.

Besides, I only have 4 computers running, my last electric was $1150. Also, as to NOT burn down the house when I am 3500 miles away.

Yes I'm aware. You can still do everything I said.

 

[Ken g6]

And we're off!

 

[Skillz]

CNT is beating us. We need all hands on deck! ASAP

They're kicking our butts hard.

 

[Markfw]

CNT is beating us. We need all hands on deck! ASAP

They're kicking our butts hard.

sorry, I am in Florida across the country from my boxes. I did not want to have them all running when I was gone close to blowing circuit breakers.

 

[mmonnin03]

TAAT has over 2x 2nd atm. The first few hours we were behind.

 

[StefanR5R]

On computers which are configured for throughput, not for speed, these tasks take a few hours. Hence, several hours after the start — not minutes ;-) — was the right time to check the stats and worry... or not.

Currently, 7AA7 is matched by AC + SG + Australia combined, and beaten by CNT + Ukraine + ATP + AMD Users combined. :-)

 

[Ken g6]

Day 1 stats:

Rank___Credits____Username
2______6177477____Icecold
4______4429880____crashtech
7______2658791____w a h
12_____1784723____cellarnoise2
21_____982375_____biodoc
26_____734550_____Orange Kid
28_____720119_____[TA]Skillz
31_____630491_____IEC
34_____617747_____mmonnin
43_____473939_____ChelseaOilman
81_____197481___10esseeTony
92_____173316_____Ken_g6
118____102628_____waffleironhead
235____15133______geecee

Rank__Credits____Team
1_____19697261___TeAm AnandTech
2_____8678665____Antarctic Crunchers
3_____6839784____SETI.Germany
4_____6473551____Czech National Team

 

[Skillz]

On computers which are configured for throughput, not for speed, these tasks take a few hours. Hence, several hours after the start — not minutes ;-) — was the right time to check the stats and worry... or not.

Currently, 7AA7 is matched by AC + SG + Australia combined, and beaten by CNT + Ukraine + ATP + AMD Users combined. :-)

It was just bait. lol

 

[Ken g6]

Day 2 stats:

Rank___Credits____Username
2______14181184___Icecold
4______11993516___crashtech
7______5790984____w a h
13_____3982309____cellarnoise2
18_____2922288____[TA]Skillz
22_____2077334____biodoc
27_____1551977____IEC
32_____1430257___10esseeTony
34_____1289279____mmonnin
37_____1246359____ChelseaOilman
39_____1153853____Orange Kid
93_____377759_____Ken_g6
110____289358_____waffleironhead
168____118856_____Drnickriviera
264____30516______johnnevermind
270____26210______geecee

Rank__Credits____Team
1_____48462045___TeAm AnandTech
2_____18143459___Antarctic Crunchers
3_____16084081___SETI.Germany
4_____15757770___Czech National Team

 

[cellarnoise]

Thanks for the Stats!

 

[Ken g6]

Day 3 stats:

Rank___Credits____Username
1______21898636___Icecold
3______20247592___crashtech
7______8529307____w a h
10_____7038108____cellarnoise2
16_____4804843____[TA]Skillz
23_____3095139____biodoc
25_____2849339___10esseeTony
27_____2678660____IEC
36_____1738973____mmonnin
42_____1627222____ChelseaOilman
43_____1609497____Orange Kid
101____528492_____Ken_g6
109____452921_____waffleironhead
142____292252_____Drnickriviera
186____161642_____DROFFUNGUS
197____139164_____johnnevermind
290____34910______geecee

Rank__Credits____Team
1_____77726705___TeAm AnandTech
2_____26528623___Antarctic Crunchers
3_____25494595___Czech National Team
4_____23754537___SETI.Germany

Thanks to @biodoc for reminding me today.

 

[Orange Kid]

Thanks for the updates.
Having constant connection issues suddenly. So I am dropping like a rock 🪨.
Just got a new modem going. We shall see if it cures the problem. Speeds are better. Have a new router waiting in the wings if needed. I will probably use it even if I don't really have too.

 

[StefanR5R]

Workunits had 480K FFT length at the start of the challenge. (FMA3, it was 480K or sometimes less with AVX-512.)

Only recently it crept up to 512K FMA3 and 504K AVX-512. However, that's still a size at which computer settings¹ which were good at the start of the challenge should still be good now and likely for the rest of the challenge.

¹) Notably, how many tasks to run simultaneously on a given CPU.

480K coefficients × 8 Bytes/coefficient (it's FP64 math) = 3.75 MBytes worth of coefficients of the transform
512K × 8 Bytes = 4.0 MBytes

 

[Ken g6]

Day 4 stats:

Rank___Credits____Username
1______30584959___Icecold
2______29520613___crashtech
8______11559522___w a h
9______11154755___cellarnoise2
17_____5931447____[TA]Skillz
20_____5224770___10esseeTony
23_____4714175____biodoc
26_____4053639____IEC
41_____2146122____ChelseaOilman
44_____2017573____Orange Kid
47_____1944278____mmonnin
103____699903_____Ken_g6
107____659482_____waffleironhead
125____472069_____Drnickriviera
155____346723_____DROFFUNGUS
173____254912_____johnnevermind
298____46669______geecee

Rank__Credits____Team
1_____111331590___TeAm AnandTech
2_____36319096___Czech National Team
3_____36093623___Antarctic Crunchers
4_____32463088___SETI.Germany

 

[TennesseeTony]

Chasing is so much more fun than being chased (childhood trauma, perhaps). Lemme see if I can chase down Venec these last 20 hours.... Or heck, maybe Skillz too.

 

[cellarnoise]

Chasing is so much more fun than being chased (childhood trauma, perhaps). Lemme see if I can chase down Venec these last 20 hours.... Or heck, maybe Skillz too.

Tony...Gargle..... Ho.. Ho..
D.C. anyway

 

[cellarnoise]

Tony... If you can grab my arse, please pull me back from this rabbit hole some... You seem to have experience... With backing off from D.C. anyway

Sorry... I need to gargle...

 

[cellarnoise]

Spelling... sorry. Good to see everyone here!

 

[Ken g6]

More-or-less final stats:

Rank___Credits____Username
2______39519477___Icecold
3______39085230___crashtech
8______14669126___w a h
9______14528808___cellarnoise2
16_____8239899___10esseeTony
21_____6551691____[TA]Skillz
25_____5507468____IEC
29_____4736275____biodoc
40_____2983474____ChelseaOilman
42_____2790529____Orange Kid
62_____1959651____mmonnin
102____883522_____Ken_g6
106____849713_____waffleironhead
123____650711_____Drnickriviera
140____540571_____DROFFUNGUS
161____384985_____johnnevermind
305____57748______geecee

Rank__Credits____Team
1_____143938886___TeAm AnandTech
2_____47226662___Czech National Team
3_____46532754___Antarctic Crunchers
4_____45701207___SETI.Germany
5_____40949456___AMD Users

We beat the next three teams put together. (But not the next four.)

 

[Orange Kid]

We beat the next three teams put together. (But not the next four.)

Sorry I'll try harder next time. 😁
Thanks for all the stats.

 

[TennesseeTony]

Thanks for all the stats, Ken.