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PrimeGrid Challenges 2020

Page 5 - Seeking answers? Join the AnandTech community: where nearly half-a-million members share solutions and discuss the latest tech.

StefanR5R

Diamond Member
Dec 10, 2016
3,729
4,028
106
I might have a surprise for my competitors at some point after 07/29/2020 22:00 UTC, but if so, it'll be a pleasant one. :-|
 

Ken g6

Programming Moderator, Elite Member
Moderator
Dec 11, 1999
15,184
2,152
55
Day 3 stats:

Rank___Credits____Username
5______5433284____xii5ku
23_____2107505____crashtech
38_____1298614____biodoc
42_____1029314____emoga
74_____523576_____Icecold-Team Anandtech
80_____467740___10esseeTony
95_____377724_____Orange Kid
103____353248_____VirtualLarry
120____288110_____Ken_g6
218____83167______zzuupp
251____48322______waffleironhead

Rank__Credits____Team
3_____19975282___Czech National Team
4_____18894564___Aggie The Pew
5_____14237883___SETI.Germany
6_____12005258___TeAm AnandTech
7_____8239694____[H]ard|OCP
8_____7404394____Ultimate Chaos
9_____7251361____AMD Users

We're not quite halfway done. Remember, what they say: "It's a marathon, not a Sprint!" ;)
 

Ken g6

Programming Moderator, Elite Member
Moderator
Dec 11, 1999
15,184
2,152
55
Day 4 stats:

Rank___Credits____Username
5______7313423____xii5ku
22_____2870852____crashtech
37_____1755211____biodoc
43_____1379359____emoga
58_____994118___10esseeTony
73_____750348_____Icecold-Team Anandtech
96_____530626_____Orange Kid
103____470725_____VirtualLarry
120____389156_____Ken_g6
219____123819_____zzuupp
278____48322______waffleironhead

Rank__Credits____Team
3_____28013699___Czech National Team
4_____26923577___Aggie The Pew
5_____19281420___SETI.Germany
6_____16625963___TeAm AnandTech
7_____11071378___[H]ard|OCP
8_____10040330___AMD Users
9_____9240752____Ultimate Chaos

Looks like we're secure in 6th...pending a Sprint.
 

TennesseeTony

Elite Member
Aug 2, 2003
3,944
2,917
136
www.google.com
Yewz guyz iz goin' kinda slow. I started almost 2 days late. For what it is worth, I am running 8 threads/4 tasks per three 3950X CPUs. Maybe I can catch bill1024 before the FB Sprint is announced....maybe.
 

VirtualLarry

Lifer
Aug 25, 2001
49,531
5,597
126
Well, surprise indeed... the power went out for over an hour. Thankfully, overhead lights, and the fridge still worked, but it was a leg at the apt. complex, because a relative's A/C and lamp wasn't working either, and they're in a different building.

Just got power back, probably going to take it easy. It was one of the hottest days of the year thus far today, probably a pretty high load on the grid.
 

biodoc

Diamond Member
Dec 29, 2005
5,685
939
126
Yewz guyz iz goin' kinda slow. I started almost 2 days late. For what it is worth, I am running 8 threads/4 tasks per three 3950X CPUs. Maybe I can catch bill1024 before the FB Sprint is announced....maybe.
The crunch times on your 3950X's are impressive. I'll switch to your settings to prevent you from passing me, lol. :)
 

StefanR5R

Diamond Member
Dec 10, 2016
3,729
4,028
106
8 threads per task may be a bit too much on this hardware.
(My own measurements are only valid for low Wattage per core though, and more memory bandwidth per core.)

--------
Average task size continues to creep up. I saw several 1120K long FFTs without zero padding when I checked on my computers this morning.
 

biodoc

Diamond Member
Dec 29, 2005
5,685
939
126
8 threads per task may be a bit too much on this hardware.
(My own measurements are only valid for low Wattage per core though, and more memory bandwidth per core.)
Yeah, but it's only a 12 hour experiment. 756% CPU usage with 8 threads per task (SMT on and used) and 392@ CPU usage with 4 threads per tasks (SMT on but not used) so the app doesn't scale to 8 threads very well.
 

TennesseeTony

Elite Member
Aug 2, 2003
3,944
2,917
136
www.google.com
I started with your recommendations, Stefan, and watched task progress for a few hours, trying different thread counts on different machines. Initially I didn't plan to run but 2 days, so I shrugged, set everything to 8t/4task per CPU and went about my business. After 30-ish hours I found myself mid-pack and gaining rapidly.
 

Ken g6

Programming Moderator, Elite Member
Moderator
Dec 11, 1999
15,184
2,152
55
I've been having Internet problems, but I think I finally figured it out. The DHCP server on my DSL modem is really slow, so when the lease for my router renews, my whole Internet connection drops, for up to minutes. I don't know how many times this made my computers wait to get work. I set the router's IP to static, and I think it's working better now.
 

VirtualLarry

Lifer
Aug 25, 2001
49,531
5,597
126
I've been having Internet problems, but I think I finally figured it out. The DHCP server on my DSL modem is really slow, so when the lease for my router renews, my whole Internet connection drops, for up to minutes. I don't know how many times this made my computers wait to get work. I set the router's IP to static, and I think it's working better now.
If you're talking about your WAN IP being provided by DHCP to your ISP-provided router/gateway, may not be such a good idea to set that to static IP. I don't want to hear about you going to jail for "theft of services" / "wire fraud".

Your router is supposed to attempt to renew your WAN IP halfway before the end of the lease. If it is unable to, and you actually lose your WAN IP lease, then your provider may be running out of IPv4 addresses.

There was someone posting in Networking, that their ISP had moved to CGNAT, which is why his online gaming would no longer work.
 
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Ken g6

Programming Moderator, Elite Member
Moderator
Dec 11, 1999
15,184
2,152
55
If you're talking about your WAN IP being provided by DHCP to your ISP-provided router/gateway, may not be such a good idea to set that to static IP. I don't want to hear about you going to jail for "theft of services" / "wire fraud".
Relax. It's a LAN-to-LAN thing. The DSL modem creates a LAN, but only has one port. I just gave the router behind it a static IP.

Day 5 stats:

Rank___Credits____Username
5______9205615____xii5ku
22_____3626571____crashtech
38_____2220306____biodoc
45_____1692428____emoga
51_____1526168___10esseeTony
73_____969071_____Icecold-Team Anandtech
96_____661058_____Orange Kid
111____548186_____VirtualLarry
121____484466_____Ken_g6
226____152473_____zzuupp
302____48322______waffleironhead

Rank__Credits____Team
3_____35921500___Ural Federal University
4_____34850805___Aggie The Pew
5_____24480281___SETI.Germany
6_____21134669___TeAm AnandTech
7_____13807349___[H]ard|OCP
8_____12801913___AMD Users
9_____10774303___Ultimate Chaos

We look pretty secure in 6th. We'll see what the Sprint is in about 100 minutes.
 

TennesseeTony

Elite Member
Aug 2, 2003
3,944
2,917
136
www.google.com
The Sprint is the beloved/hated LHC. Beloved if you are good with the VM's, hated if not. :)
don't do it
When you want to go to it
Relax, don't do it
When you want to come
Relax, don't do it
When you want to sock it to it
Relax, don't do it
When you want to come
When you want to come
 
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Ken g6

Programming Moderator, Elite Member
Moderator
Dec 11, 1999
15,184
2,152
55
Day 6 stats:

Rank___Credits____Username
5______11105178___xii5ku
20_____4387986____crashtech
41_____2262519____biodoc
44_____2040988____emoga
57_____1663257___10esseeTony
74_____1105187____Icecold-Team Anandtech
97_____799503_____Orange Kid
113____667786_____VirtualLarry
125____577226_____Ken_g6
231____186304_____zzuupp
311____59666______waffleironhead
333____40315______Howdy

Rank__Credits____Team
3_____43824355___Aggie The Pew
4_____43270228___Ural Federal University
5_____29900344___SETI.Germany
6_____24895920___TeAm AnandTech
7_____16749749___[H]ard|OCP
8_____15815396___AMD Users
9_____12454094___Ultimate Chaos

We'll probably keep 6th, but we won't be sprinting past SG. Howdy, @Howdy. :)
 

Ken g6

Programming Moderator, Elite Member
Moderator
Dec 11, 1999
15,184
2,152
55
Preliminary final stats:

Rank___Credits____Username
6______11922026___xii5ku
21_____5112043____crashtech
46_____2262519____biodoc
50_____2213387____emoga
64_____1663257___10esseeTony
77_____1242613____Icecold-Team Anandtech
97_____943871_____Orange Kid
119____747331_____VirtualLarry
127____668228_____Ken_g6
228____217493_____zzuupp
293____93591______Howdy
300____82813______waffleironhead

Rank__Credits____Team
3_____53517543___Aggie The Pew
4_____50557759___Ural Federal University
5_____35068565___SETI.Germany
6_____27169179___TeAm AnandTech
7_____19490583___[H]ard|OCP
8_____18760635___AMD Users
9_____14342405___Ultimate Chaos

And we wound up right in the middle between 5th and 7th. :)
 

VirtualLarry

Lifer
Aug 25, 2001
49,531
5,597
126
I cut out possibly one batch (of three) WUs per 2x 3600 CPUs early, didn't want to wait after the race to have to finish out WUs for 6 more hours, and was anxious to get back to mining. Plus, I figured we pretty-much had a lock on 6th place anyways. :)
 

Ken g6

Programming Moderator, Elite Member
Moderator
Dec 11, 1999
15,184
2,152
55
Bump for a challenge I think you'll like. I think you'll like a good chance to find a prime. :)

And if not, maybe you'll like bacon? ;)
 

VirtualLarry

Lifer
Aug 25, 2001
49,531
5,597
126
Ok, whew, that was a PITA, had to fix (remove) an overclock on a Ryzen R5 1600 in a Rexgears II case, it was overheating (93C! And blank-screening!).

But once I got that taken care of (thought that it might be the ThermalTake "bulk packed" 600W Gold PSU, you know how ThermalTake is with their PSUs sometimes), things are GO.

Got 2x Ryzen R5 3600 CPUs, and 2x Ryzen R5 1600 CPUs, all crunching the PrimeGrid challenge project (hopefully!).
 
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Ken g6

Programming Moderator, Elite Member
Moderator
Dec 11, 1999
15,184
2,152
55
The challenge has started! It looks like we have a FB sprint going at the same time. But the sprint will go one day longer. So fry your bacon - I mean CPUs - while you can! ;)
 

Ken g6

Programming Moderator, Elite Member
Moderator
Dec 11, 1999
15,184
2,152
55
Day 1 stats:

Stats for team TeAm AnandTech
Rank___Credits____Username
59_____187266_____Icecold-Team Anandtech
77_____140686_____VirtualLarry
100____100847_____Orange Kid
135____60946______Ken_g6
222____23018______SlangNRox
235____20566______zzuupp
242____18716______waffleironhead
259____14234______biodoc
352____2308_______emoga
486____118________geecee

Rank__Credits____Team
14____700371_____Storm
15____665544_____Team 2ch
16____620998_____SETI.USA
17____568532_____TeAm AnandTech
18____489569_____The Scottish Boinc Team
19____430898_____Rechenkraft.net
20____430271_____BOINCstats

Wow, 17th. I guess all the big boys are off playing with their YOYOs. :smilingimp:
 

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