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davidBAM
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#201 Re: Greetings ... and welcome ...

Post by davidBAM » Fri Feb 14, 2020 12:57 pm

There are different numbers for each card - it depends on how much memory it has & how many Cuda cores. The one I supplied was derived personally by experimentation on a Gtx2070 Super so should work nicely. I don't have a 2080ti to try it on
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#202 Re: Greetings ... and welcome ...

Post by Granowski » Fri Feb 14, 2020 1:07 pm

ok, we'll try those numbers ... could you please make predictions how much counting times will decrease ?

sincerely, Gregg Roman Granowski
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#203 Re: Greetings ... and welcome ...

Post by davidBAM » Fri Feb 14, 2020 1:15 pm

I'll guess you get times of 150 secs or less

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#204 Re: Greetings ... and welcome ...

Post by jockmacmad2 » Fri Feb 14, 2020 1:27 pm

It's 128 sec on mine.

I have slightly under clocked my card though and hence am actually getting 148 secs so nearly spot on David.
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#205 Re: Greetings ... and welcome ...

Post by jockmacmad2 » Fri Feb 14, 2020 1:35 pm

Go to

C:\ProgramData\BOINC\projects\boinc.thesonntags.com_collatz

and there should be a file called

collatz_sieve_1.30_windows_x86_64__opencl_nvidia_gpu.config

which should have the following in it

verbose=1
kernels_per_reduction=64
threads=8
lut_size=18
sleep=0
reduce_cpu=0
sieve_size=30
cache_sieve=1
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#206 Re: Greetings ... and welcome ...

Post by davidBAM » Fri Feb 14, 2020 1:40 pm

Excellent - precisely what I had arrived at :clap:
davidBAM wrote:
Fri Feb 14, 2020 1:15 pm
I'll guess you get times of 150 secs or less
I am changing my guess : 128 secs :lol: :lol:

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#207 Re: Greetings ... and welcome ...

Post by Granowski » Fri Feb 14, 2020 1:50 pm

thank you, however we have two differet values on kernels per reduction ... should it be 48 or 64 ?

sincerely, Gregg Roman Granowski ...
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#208 Re: Greetings ... and welcome ...

Post by davidBAM » Fri Feb 14, 2020 1:57 pm

Go with Jocks figure.

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#209 Re: Greetings ... and welcome ...

Post by Granowski » Fri Feb 14, 2020 1:59 pm

all right !


edit : ' done ' ... times has dereased significantly, no errors ... sincerely, Gregg Roman Granowski ...

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#210 Re: Greetings ... and welcome ...

Post by davidBAM » Fri Feb 14, 2020 8:20 pm

You look to be doing about 5M to 6M points per hour at the moment. That's a handy number.

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#211 Re: Greetings ... and welcome ...

Post by Granowski » Fri Feb 14, 2020 8:25 pm

thank you ... i have gtx 1080 at home, other servers i am keeping in office . could you please specify if values we have used for 2080 are correct for 1080 ?!

sincerely, Gregg Roman Granowski ...

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#212 Re: Greetings ... and welcome ...

Post by davidBAM » Fri Feb 14, 2020 8:28 pm

Try these for the gtx1080 unless someone suggests better

Code: Select all

verbose=1
kernels_per_reduction=48
threads=9
lut_size=17
sieve_size=30
cache_sieve=1
sleep=0

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#213 Re: Greetings ... and welcome ...

Post by scole of TSBT » Fri Feb 14, 2020 8:32 pm

Gregg, do you know how to monitor the GPU temps and increase fan speed if needed? Running the optimized configurations will make them run hotter.
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#214 Re: Greetings ... and welcome ...

Post by Granowski » Fri Feb 14, 2020 8:52 pm

scole of TSBT wrote:
Fri Feb 14, 2020 8:32 pm
Gregg, do you know how to monitor the GPU temps and increase fan speed if needed? Running the optimized configurations will make them run hotter.
i always believed that fan speed is an automatical option, and it icreases if needed without manual action .

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#215 Re: Greetings ... and welcome ...

Post by scole of TSBT » Fri Feb 14, 2020 9:52 pm

Granowski wrote:
Fri Feb 14, 2020 8:52 pm
scole of TSBT wrote:
Fri Feb 14, 2020 8:32 pm
Gregg, do you know how to monitor the GPU temps and increase fan speed if needed? Running the optimized configurations will make them run hotter.
i always believed that fan speed is an automatical option, and it icreases if needed without manual action .
It should. I'm just over cautious and manually set fan to high rpm so it stays as cool as possible.
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#216 Re: Greetings ... and welcome ...

Post by davidBAM » Fri Feb 14, 2020 10:39 pm

I've been in the habit of limiting the power drawn & I notice barely any effect on run times. These are Linux commands which will save 10% of power on an RTX2080ti

Code: Select all

sudo nvidia-smi -pm 1
sudo nvidia-smi -pl 225
Sorry I don't know Window equivalent

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#217 Re: Greetings ... and welcome ...

Post by jockmacmad2 » Sat Feb 15, 2020 12:27 am

I spent hours trying every set of 2080Ti settings on the web. The ones are for my card and others cards may like other ones more who knows.

I have had faster but then occasionally I see Compute Failures so backed off slightly until I was getting 100% passes.

For the 1080 I am not sure as I do not have one.

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#218 Re: Greetings ... and welcome ...

Post by Granowski » Sat Feb 15, 2020 8:01 am

' the optimalization ' was a woderfull idea ... hopefully we'll get some extra points ... toward Formula Boinc performance ... could You please tell what bagde is after 2.000.000.000 points ? is it for 5 or 4 000.000.000 ?

sincerely, Gregg Roman Granowski

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#219 Re: Greetings ... and welcome ...

Post by davidBAM » Sat Feb 15, 2020 9:25 am

Had a look at my account and I am only showing one badge for over 20Bn, where do I see the earlier ones please? Sorry, I am not an avid badge-collector

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#220 Re: Greetings ... and welcome ...

Post by davidBAM » Sat Feb 15, 2020 10:47 am

Seems like others have looked too ... https://boinc.thesonntags.com/collatz/f ... id=83#1518

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