I´m sorry, i have no idea what exactly this does, but I´ve been using it in my bat just to be sure.

Does this only happen when you use cudaminer?
Try running a game or a benchmark.
Does the driver crash together with cudaminer?

Have you tried explicitly removing the driver and installing it fresh?
sometimes that can make a difference, especially with amd cards.

Try adding this to your bat file:

Maybe it fixes the problem.

when trying to compile libpng-1.6.8 I get the following error while configuring:
same with 1.6.9

How can I fix that?
I couldn´t find anything about it.

Thanks

Hey guys, i know it doesn´t really belong in here, but this might be the last chance to get some Orgcoins!
Orgcoin is a merged-mineable scrypt coin, and it´s going up in price right now!
The net hashrate is currently still only 32Mhash/s.
You can either solomine it or join a merged-mining pool like http://manicminer.in/ or merged-mine it via p2pool.
Or just buy some over at https://cryptorush.in/index.php?p=trading&m=ORG&b=BTC

I hope I´m right about this, and I hope I helped some of you.

I´m sorry, but what´s special about this coin?
That you´re donating ONCE to a good cause?

If you want a coin that creates donations, take a look at orgcoin.
Otherwise, this is just another copy among hundreds, with no innovation.

Okay I didn´t know that makes a difference. Trying it out right now. Already looks better.
Thanks!

EDIT: For some reason my graphics driver crashes when autotuning with higher lookup-gaps. Not immediately, but when it´s almost done.

Ok I tried the settings, but K27x3 only gets me "result does not validate". I have to increase lookup-gap to 9 in order for it to run, but then it only gets me around 1kHash. I´ve already tried other launch-configs (autotune) with higher lookup-gap, but the higher I go the lower my hashrate.

When autotuning on some settings, it crashes my driver. And somehow any configuration never uses a lot of ram.
For example autotune found K14x2, it works but only uses 1295MB of vram on lookup-gap 3.

EDIT: seems to be the same with the older version I was using before. (2014-02-09).
I last used scrypt-jane when the feature was in beta. (i think 2014-01-22)
With that version and my old config I now only get 0.5kHash.

Also I found out that -batchsize=x is recognized as a command (only one -). However this prevents cudaminer from starting to mine. It stops at:

I wanted to see how much the new version improves Yacoin performance on my 660Ti.
But I can´t seem to get it to mine at an acceptable rate.
With the older versions I was getting about 3.2kHash. (my card is highly oc´d and used only for mining)
But now i can´t seem to get near that.

Earlier I used --interactive=0 --hash-parallel=1 --launch-config=K7x23 --texture-cache=0 --single-memory=0 --lookup-gap=3
Now that same launch config doesn´t start and via autotune I only get around 1.7kHash.
I´ve tried several combinations of the other options, but nothing helps. (also batchsize doesn´t seem to change anything for me.)

BTW I want to report a small bug: --batchsize=x isn´t recognized correctly. Only -b x works.

you should call this thing

MarketingCoin

since that´s the only thing special about it. 

Msi twin forzr´s are NOT A GOOD IDEA.
Read my post on page 344, where i´ve exlained why.

If you really want to oc kepler cards, you should use nvidia inspector to force a p-state (usually p2) and set a fixed clock there.
That´s the only way your card´s turbo boost won´t interfere with overclocking. (at least for 600series cards, not sure about 700)
Turbo boost causes fluctuating clocks, unstable hashrates, a decreased max overclock and more heat/power consumption.


To understand this, you need to know how turbo boost works.
Turbo boost 1.0 (which is used in 600 series cards) sets a gpu clock according to a clock table in the graphics bios.
It determines this clock by measuring the power consumption. Nothing else.
This means by increasing the max power consumption (aka power level %) the card will clock higher.

Additionally there´s the "clock offset" which is normally used to increase the gpu clock.
But this is not actually doing what you would expect it to. It doesn´t add a given value of Mhz to the Turbo boost clock table entries.
Instead it decreases the VOLTAGE the card uses for ALL entries in the Turbo boost clock table.
Which also means any "voltage offset" you find in an oc tool does absolutely NOTHING.

And since decreased Voltages result in lower power consumption, turbo boost then sets a higher clock from its table to reach the given Power level.
Sounds stupid to you? well, it works, but it´s not the best way to overclock a gpu.


So how do you use this better way mentioned earlier? (Windows)
1. Download nvidia inspector: http://downloads.guru3d.com/NVIDIA-Inspector-1.94-download-2612.html
    nvidia inspector has a GUI, but it lacks one important feature we need. Thats why we use command line options.
2. make a batch file with these contents:
Obviosly replace the ...... with the path to where you extracted the program.
DO NOT simply run it that way. The values you see here are the ones I use for my 660Ti. You will need to adjust them.
These options always need to consist of multiple comma separated arguments.
The first one is always the device number for which you would like to set this.
For those with three arguments like "-setGpuClock:0,2,1220" the second one is the p-state it refers to.

Since we want to stop turbo boost from interfering, we need to use a different p-state where the clock is not controlled by turbo boost.
That´s what the -forcepstate:0,2 stands for. However even then Turbo boost is still on and in control of voltages.
That´s why we need -setBaseClockOffset:0,0,160. higher values will decrease voltages.
As i´ve said, -setVoltageOffset:0,0,0 is not what controls voltages. (you can delete this with nothing changing, this is only for other cards.)
-setMemoryClock:0,2,3304 actually doesn´t do anything either, for memory you always use -setMemoryClockOffset:0,0,300

And last but not least don´t forget -setpowertarget:0,153. This finally allows your card to use a set percentage of its specified TDP.
Without editing the bios you won´t be able to set a value of 153% like I do, but i´m just setting this so I can experiment with very high clocks.

For better understanding and tuning i recommend using the oc section of the GUI. It will also show your actual current clocks, temps, power consumption etc. You should also see that it says "P-state P2".


Now you´re set to optimize your OC to the max or set it to the best power-saving settings.
Also, this will help get much more consistent results for autotuning in cudaminer.

Happy OC-ing.

i don´t know about risers, my cards are just sitting on the board with one free slot in between.

well i don´t know about others, but i´m not having problems with that.
Both my cards are running at full speed and nothing ever crashes.

Only problem I have is that i can´t oc my amd card while it´s not the main display adapter.
But i can simply plug in my monitor in the amd and oc.

I fixed this by applying my oc in the graphics bios.
Oc-ing nvidia cards is not affected by that.

Why would it leave the NVidia useless?
There´s no problem combining amd and nvidia cards in one rig.
you just need to install both graphics drivers and run two different miners.
Or am i misinterpreting something here?

Sorry pal, but i´m not surprised!
I´ve got:
1x GTX 660Ti with standard (reference) cooler
1x r9 280x with one of those dual-fan ""coolers""    (like the ones those asus rog mars have)
both of them installed in my normal computer case.

It never had any trouble with temperatures with just my nvidia card.
But when I installed my r9 280x, suddenly BOTH cards were running way too hot, my 280x didn´t even use its full clock.
I noticed that the reference cooler managed to get tons of hot air out of my case, however my other card was just "feeding" all its heat into my nvidia card.

Personally, i solved this by buying a watercooler for the 280X
Now i can overclock my 660Ti by about 30% (1215Mhz)! without getting really bad temps.
(yes the one with the standard nvidia cooler!)
Of course I could oc my 280X really good now but since cgminer is stupid, i haven´t tried that.

Conclusion: NEVER buy a video card with those stupid two-fan coolers!
They may be a bit more quiet if it´s your only card in the system, but as soon as you have a second card, you´re gonna hate them.

Hi I was wondering if you guys are doing only simple overclocking with afterburner or forced p-states.
On my EVGA 660Ti I use nvidia inspector to force p2-state which gets me up to 1215MHz (300MHz over stock).
Also my hashrate got a bit more stable with this and autotuning gets much more precise results since then.

This gets me 340khash/s for scrypt and 3.5khash/s for scrypt-jane.
This is with the 2014-1-22 version.
So I´m wondering why I´m actually still below a value from the scrypt-jane spreadsheet which apparently uses almost no OC.
I´ve tested lots of kernel cfgs but I can´t seem to get any higher.

Any ideas?

My exact config:
scrypt: --interactive=0 --hash-parallel=2 --launch-config=Y112x2 --texture-cache=1 --single-memory=0
scrypt-jane: --interactive=0 --hash-parallel=1 --launch-config=K7x23 --texture-cache=0 --single-memory=0 --lookup-gap=3

OC:
P0: clock-offset +160; mem-offset +300; power-target 153% (actually uses about 142% TDP)
P2: clock 1215MHz; forced
Driver: 332.21

Hm, looks like you´re right, it must be the name of the coin.
It´s pretty stupid though, it looks like it´s part of the balance.

Thanks for your answer.

Hi there,

Yesterday I decided to try mining some 42coin.
After seeing that all pools seem to be dead, i tried solomining.
After only a few minutes I noticed that my qt-wallet (started with GUI) showed a balance of 0.0042 42coin and the same value as unconfirmed.
So I was confused: I read that finding a block will usually give you 0.000042 42coin, yet it said I had 100x that value.
I didn´t see any message in my miner anymore, but it might have "scrolled away" already.

So now I was waiting if it got confirmed or not, but now, 24h later, nothing has changed.

Also I tried looking up what it said about my wallet adress on http://altexplorer.net/chain/42
But it simply says: Adress not found.

Is any of this normal?
Is it possible that the 42coin network is that slow?
Thanks in advance for any Help.

BTW: my mining Rig does around 1 MH/s.