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Topic: CCminer(SP-MOD) Modded NVIDIA Maxwell / Pascal kernels. - page 266. (Read 2347601 times)

sp_
legendary
Activity: 2954
Merit: 1087
Team Black developer
Spreadcoin sp-mod

spreadminer #12 is ready for the donators. I am packing and sending out soon.

-Fixed the hash on the latest driver (384.94)
-Fixed bug with more than 3 gpu's in the rig
-Display default intensity at startup
-Display total sum when solo just like in benchmark mode.
-Exit when crashing. (no more crazy hashrates)

Sendt. Check your spam inboxes.
member
Activity: 68
Merit: 10
I am finding Skunk algo in all its iterations pretty unstable.  If you go over 70% TPD it will often exit.   I have 4 rigs and it kills two of them those rigs never had any issues before.  They just reset as soon as you start mining.

I tried palig skunk miner,  it occasionally will mine for an hour or so then die on those two rigs.  Seems to mostly not like 1080 or 1080ti's.  I recently setup a new rig with just 1080's and it does it on that too.

Rather mine something stable.   I have a few friends minging on 1070's and it is alot more stable for them but it will still sometimes exit out of the miner.

Fortunately it is pretty bad to mine now and I can fall back to my back plans.

I have seen this if I OC to much
sp_
legendary
Activity: 2954
Merit: 1087
Team Black developer
I have found the problem with spreadminer. The latest driver doesn't allign buffers on 256 bytes boundaries so some structures where not aligned correctly in memory. When I use vector instructions, these require aligned buffers. The fix was to align on 128bytes boundaries.
Seem to work, but I got another issue with many cards in the rig. Working on a fix.
sp_
legendary
Activity: 2954
Merit: 1087
Team Black developer
I am finding Skunk algo in all its iterations pretty unstable.  If you go over 70% TPD it will often exit.

Did you meassure your rig with a wattmeter in the wall? The skunk algo use more power than f.ex zcash (equihash).
newbie
Activity: 9
Merit: 0
I am finding Skunk algo in all its iterations pretty unstable.  If you go over 70% TPD it will often exit.   I have 4 rigs and it kills two of them those rigs never had any issues before.  They just reset as soon as you start mining.

I tried palig skunk miner,  it occasionally will mine for an hour or so then die on those two rigs.  Seems to mostly not like 1080 or 1080ti's.  I recently setup a new rig with just 1080's and it does it on that too.

Rather mine something stable.   I have a few friends minging on 1070's and it is alot more stable for them but it will still sometimes exit out of the miner.

Fortunately it is pretty bad to mine now and I can fall back to my back plans.

FWIW I'm using the sp miner for SIGT on a 8 * 1080 Ti rig rock solid.
full member
Activity: 192
Merit: 100
I am finding Skunk algo in all its iterations pretty unstable.  If you go over 70% TPD it will often exit.   I have 4 rigs and it kills two of them those rigs never had any issues before.  They just reset as soon as you start mining.

I tried palig skunk miner,  it occasionally will mine for an hour or so then die on those two rigs.  Seems to mostly not like 1080 or 1080ti's.  I recently setup a new rig with just 1080's and it does it on that too.

Rather mine something stable.   I have a few friends minging on 1070's and it is alot more stable for them but it will still sometimes exit out of the miner.

Fortunately it is pretty bad to mine now and I can fall back to my back plans.
full member
Activity: 308
Merit: 100
Trying to fix spreadcoin with the latest driver. Get error in the JIT compiler..
When I switch to cuda 8.0 and compute 61 the miner works, but I get a 10% loss in the hashrate.
I think this is something I can report to NVIDIA and wait for a fix in the driver.

sp_, I returned back drivers 382.53 for spreadcoin and very soon I noticed the issue that concerned me before I switched to stignatum: sometimes the rig hangs and I had to reboot it manually. Windows event logs contained nothing that could give a clue what happened. The same rig with the same OC setting was solid with your signatum miner mod #3, but the spreadminer sometimes hangs it very badly. I would prefer automatic reboot/reset in such cases but not manual intervention.
full member
Activity: 163
Merit: 100
Vice versa, not sure how you're exceeding an additional 30% power on TDP. While you run into scenarios where you'll end up using less power increasing TDP (versus the percentage increase), when it goes the opposite direction it shouldn't increase power usage more then 30%. For you a 30% increase in TDP increased your power by 50% and had almost no impact what so ever on your hashrate.

There are definitely algos that use more power then Equihash, SIB for instance. Equihash also has a weird quirk where there isn't a direct correlation between reducing TDP and reducing your hashrate, almost every algo has a direct correlation between power usage and hashrate, at least for Nvidia. With AMD you can reduce your core voltage at the same TDP level (which effectively increases your TDP headroom without increasing power).

That's neat you have GPUs... You aren't the only one nor is that a lot.

And yup, DNR has been around for awhile and it's lackluster compared to alternatives even with the modded miner. I didn't say anything because SP likes getting everyone excited before they figure out what they're doing and buy his miners. There are easy ways to check out earnings though without doing all of that, but I'll let you figure it out since you have 21x1080tis.

Go do some tests on a 1080 Ti. The results will speak for themselves. Hash rate also does not increase linear with power usage, this has been true for the algos I have tested.
Wattage plays an important role in profitability. It not all about trying to get the highest hash rate with disregard to power usage.
This is even more true for people who have to pay a higher electric rate. In Europe the electric rate is 0.20KWh, compared to 0.12KWh in the US.
Even the PSU play a factor in power consumption. Bronze are 85% efficient and go up to 94% efficiency with Titanium rated PSUs.

Yeah, no shit? It's what I've been talking about for years in this thread. The 'electricity efficiency' argument is as old as mining. Pretty sure somethings messed up with your rigs if you're almost doubling your power usage with 30% TDP and then getting only 10% hashrate out of it.

You haven't really said anything out of the ordinary except Skunk might function in a similar way to Equihash (BTW if you're talking about the consumption and operability of algorithms talk about that instead of the coins, multiple coins can use the same algo), which I'm pretty sure isn't true.

Rather than blindly trying to guess the power usage of the 1080 Ti, go test it yourself. I'm not putting out the wattage to lie to people.
I gave numbers for the coins because not every coin on the same algorithm is worth the same. You can't group multiple coins just because their using the same algorithm.  
sp_
legendary
Activity: 2954
Merit: 1087
Team Black developer
sp, did your miner versions compatible with linux? wanna test 13-gpu motherboard with full load

You can run my exe files in wine
legendary
Activity: 1764
Merit: 1024
Vice versa, not sure how you're exceeding an additional 30% power on TDP. While you run into scenarios where you'll end up using less power increasing TDP (versus the percentage increase), when it goes the opposite direction it shouldn't increase power usage more then 30%. For you a 30% increase in TDP increased your power by 50% and had almost no impact what so ever on your hashrate.

There are definitely algos that use more power then Equihash, SIB for instance. Equihash also has a weird quirk where there isn't a direct correlation between reducing TDP and reducing your hashrate, almost every algo has a direct correlation between power usage and hashrate, at least for Nvidia. With AMD you can reduce your core voltage at the same TDP level (which effectively increases your TDP headroom without increasing power).

That's neat you have GPUs... You aren't the only one nor is that a lot.

And yup, DNR has been around for awhile and it's lackluster compared to alternatives even with the modded miner. I didn't say anything because SP likes getting everyone excited before they figure out what they're doing and buy his miners. There are easy ways to check out earnings though without doing all of that, but I'll let you figure it out since you have 21x1080tis.

Go do some tests on a 1080 Ti. The results will speak for themselves. Hash rate also does not increase linear with power usage, this has been true for the algos I have tested.
Wattage plays an important role in profitability. It not all about trying to get the highest hash rate with disregard to power usage.
This is even more true for people who have to pay a higher electric rate. In Europe the electric rate is 0.20KWh, compared to 0.12KWh in the US.
Even the PSU play a factor in power consumption. Bronze are 85% efficient and go up to 94% efficiency with Titanium rated PSUs.

Yeah, no shit? It's what I've been talking about for years in this thread. The 'electricity efficiency' argument is as old as mining. Pretty sure somethings messed up with your rigs if you're almost doubling your power usage with 30% TDP and then getting only 10% hashrate out of it.

You haven't really said anything out of the ordinary except Skunk might function in a similar way to Equihash (BTW if you're talking about the consumption and operability of algorithms talk about that instead of the coins, multiple coins can use the same algo), which I'm pretty sure isn't true.
full member
Activity: 251
Merit: 100
sp, did your miner versions compatible with linux? wanna test 13-gpu motherboard with full load
legendary
Activity: 1797
Merit: 1028
How do i know about the my graphic card is Maxwell ?

A GTX 750ti, OR ANY GTX 900 SERIES CARD IS MAXWELL--

Try using Google.  Google "nVidia Maxwell GPU" and read the results.       --scryptr
member
Activity: 112
Merit: 10
📌[ANN]📌👍👍👍
How do i know about the my graphic card is Maxwell ?


Are you sure you want to be engaged in mining?

Throw to the floor and the inscription appear  Grin Grin Grin Grin
newbie
Activity: 47
Merit: 0
How do i know about the my graphic card is Maxwell ?
legendary
Activity: 1797
Merit: 1028
1000 PAGES!  WOOT!!! --

SP_ can buy us all a beer at the pub!       --scryptr
full member
Activity: 173
Merit: 100
HI SP Please check PM。
full member
Activity: 251
Merit: 100
Can it will be fixed by you?

I have fixed it by compiling with cuda 8.0 and compute6.1 but the speed in down 10%.
understood, hope nvidia will make something soon.
sp_
legendary
Activity: 2954
Merit: 1087
Team Black developer
Can it will be fixed by you?

I have fixed it by compiling with cuda 8.0 and compute6.1 but the speed in down 10%.
full member
Activity: 251
Merit: 100
does it work with previous drivers?

yes. you need the 382.xx driver. The same error in my cryptonite mod.

Edit: just tested the opensource spreadcoin miner exe file. The problem is there as well.
Can it will be fixed by you?
sp_
legendary
Activity: 2954
Merit: 1087
Team Black developer
does it work with previous drivers?

yes. you need the 382.xx driver. The same error in my cryptonite mod.

Edit: just tested the opensource spreadcoin miner exe file. The problem is there as well.
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