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drummers-lowrise
1) Message boards : Number crunching : Intel or AMD for LLR Tasks? (Message 137853)
Posted 12 days ago by Profile David Steel
Well I would like to get the 10980XE but none of the retailers here in Australia have it in stock.
It was only released in Q4 2019 so is it very popular or rare?
Its a bit pricey - $1800 AUD ($1200 US)

I have some times for my 16 core 9960X which uses AVX512:
PPS-Mega (running 3 core tasks) = 1130 - 1293 sec
PPSE (running single core tasks) = 398 - 441 sec
SGS (running single core tasks) = 364 - 369 sec


Nick, why don't you run multi core on your 9980XE and 9960X for PPSE, it should bring the run times way down?
2) Message boards : Number crunching : Intel or AMD for LLR Tasks? (Message 137492)
Posted 18 days ago by Profile David Steel
Intel or AMD for LLR Tasks?
Broadly speaking has one got an advantage over the other at PrimeGrid?
I'm doing a new build and deciding which way to go.

Simply looking for whatever CPU is fastest at LLR...

Is one better than the other for long tasks like SOB / WOO / CUL, or for short tasks like PPS / SGS?

I've been looking at the i9-9900KS / Ryzen 9-3950X but also the i9-10980XE.

Now my son (teenager) is telling me I have to get a Ryzen Threadripper!

Does Primegrid have a table or chart showing the fastest CPU's for a subproject?
Say if we pick PPS MEGA, can we see a 9900KS did it in 800 sec, a 9900 = 900 sec, a 9700 = 1000 sec etc...

Thanks!
3) Message boards : Number crunching : 2019 Tour de Primes (Message 126713)
Posted 379 days ago by Profile David Steel
YES!!
Found one GFN - 16!

Phew.
The Vega 56 comes to the party LOL.


Ah you got me!
I was faster and slower at the same time...
4) Message boards : Number crunching : Bad Hosts (Message 124414)
Posted 415 days ago by Profile David Steel
I'll re-word this line to say: Very frustrating when you get these work units AFTER HOST 153120 as you have a much lower chance of returning it first.


If the work units are invalid, does it matter whether or not they are returned before yours?


Yes, because they have delayed the task.

Meanwhile your wingman has returned it first...
5) Message boards : Number crunching : Bad Hosts (Message 124411)
Posted 415 days ago by Profile David Steel
Can anything be done about bad hosts / users / PC's?

'Anonymous' has a PC that is constantly returning invalids for PPS - over 2150 this past week.

Not one valid or pending...

Very frustrating when you get these work units as you have a much lower chance of returning it first.

Thanks

https://www.primegrid.com/results.php?hostid=153120

6) Message boards : Number crunching : 2019 Challenge Voting (Message 123895)
Posted 431 days ago by Profile David Steel

I took some artistic liberty with the last name. Let me know what you think. :)


Crikey!

Mate I think she's a ripper!
7) Message boards : Number crunching : NVIDIA Quadro (Message 123812)
Posted 433 days ago by Profile David Steel
Looking at the specs, the K5200 has 2304 CUDA cores and so does the new RTX 2070.

Does that mean the K5200 should do GFN at similar speeds to the 2070 or are the Quadro cards missing something else besides faster clocks and DDR6 memory?
8) Message boards : Number crunching : NVIDIA Quadro (Message 123777)
Posted 433 days ago by Profile David Steel
I've got a chance to buy some lightly used Quadro cards - K5200 and K4200.

Are they any good for PrimeGrid, in particular GFN?

Thanks
9) Message boards : Number crunching : Output File Absent (Message 123764)
Posted 434 days ago by Profile David Steel
Looks like Windows did an update just before the errors started.

Re-installed graphics drivers and all is good now.
10) Message boards : Number crunching : RTX 2080 questions (Message 123763)
Posted 434 days ago by Profile David Steel
Ended up getting a Gigabyte GeForce RTX 2080 Gaming OC, 3 fans and its very quiet.

Doing GFN-21 in 24-25,000 sec.


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