The only exchange i get quick deposits/withdraws on is mcxnow.. but it has it's own issues. Foremost being that their coin selection is pretty poor.
MCXNow is adding DOGE sometime this week, not sure when though. |
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The stuff happening with Bter reminds me of Coins-e lol. Every single deposit I made I had to use their automated deposit check for my account to actually reflect the fully confirmed deposit. Kinda just had to prompt it to update the wallet. Of course this was occurring while MAX trade took 3+ hours to post properly so... there might have been more to it then lol.
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I love being able to suggest an Nvidia Card to a friend that makes him wince at the cost but let him know that he can have it pay for itself long before he will need to upgrade. I am of course speaking of the 750's of course  |
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I'm mining both yac and pts...  Nice results, looking forward to higher clocks. Why no h81 btc pro with risers and 6 750tis? So far we have no experience with risers, and I've seen reports that nVidia cards have been crashing on risers. No experiments.  We wanted to get mining fast. An extension to 10 GPUs is a possibility, there are currenty 2 unused PCI-x x16 slots on each mainboard. This will require some risers. Christian Not surprised at all that it was crashing on a 1x non powered riser and there case for proving that the riser was not at fault was a card that worked fine that had external power, lol. Un-powered risers are supposedly only capable of 50W feed from what I understand, to be fair this is the normally accepted wattage for a motherboard to provide to a card without external power needs. Everything I've read is a Powered Riser is needed for any Scrypt derived coin to reduce any HW errors. |
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hello, newbie here i'm using cudaminer to mine LTC using my GTX 760 and so far no problem however i just bought Bioshock Infinite and want to play it i'm using -i 1 as option, but the game only ran @ 10-20 fps is there any other option i can use to increase my fps? or telling cudaminer to "only use remaining GPU power"? because Bioshock only use 50% GPU power to maintain 60 fps i'm hoping to use remaining 50% to mine coins Thank you On your Config take a alook at reducing the "SMX" number: ex. -l K7x32 You can try dropping the 7 to something lower. This can sometimes help. Some games just can't really deal well with sharing gfx. BF4 or BF3 are a great example... my Titan has more then enough power to play them but not with CUDAMiner running at even super low settings. While League of Legends I can just use my normal config and switch it to -i 0 and boom frame rate loss but well within playable. |
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What clocks are you running? I bet you can do better with some more time and of course, after Mr Buchner improves cudaminer for Maxwell cards. (looking forward to that!) I cannot really promise that this produces actual speed benefits. There's no specific new features that a compilation for sm_50 would provide and which sm_35 (Titan kernel) doesn't already offer. One can only hope that the compiler does some better code generation when targeting sm_50. Christian What about the Barrel Shifter that AMD crows so much about that Kepler was missing? This was added to Maxwell |
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I have a good use for this. Thanks for the tip. |
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this was not done well. Yacoin needs lookup gap -L 2, 3, or 4 with mid range cards. I would expect the 750Ti to break 2.5 kHash/s. Keccak needs huge launch configurations (like -l K1024x32) and the K kernel (T sucks for Keccak). Plus their method of Overclocking for alt coin is seriously in need of a change, I've weighed in on the thread |
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Soo.. TITAN BLACK edition anyone? I'd be interested to know how these get on!
basically a 780Ti with 6 Gigs of RAM and a slightly higher base clock. I'll pass. It will probably have a slight advantage in Yacoin, but the price tag is too high. Christian Doubt you will get better then a 780 Ti, you won't be able to properly allocate the beyond then 3 GB, unless the DAC is higher then 384 just won't work correctly, unless you can allocate and use two scratch pads on a single instance of CUDAMiner lol. 8 and I know someone maxing this out about the drivers? dunno. I remember having seen some forum posting (nvidia forums) of a guy having 14 cards recognized. But during operation there were issues. Christian I think it was 11 cards and he was using a expandable backplane that had 18 PCI-e slots avail. I'm confused - I thought I read that the cards had 640 cuda cores - the msi specifications show 960. (5x128=640 - they would need 7.5 SMM units to hit 960) 5*192=960 This said, I'm seeing NewEgg confused on this. The MSI cards are listed as 960 CUDA cores (the rest show 640) until you view the item itself and then it shows 640 Cuda Cores so your 5x128 is probably correct. Also CTRL-C terminates the program much faster when mining on a stratum server. Same for the --time-limit option.
Christian lol, yay for quick fixes The quotes for OCing the new Maxwell kind of bug me, I've never seen a benefit for up-clocking the the memory for Scrypt or Scrypt-Jane... I'd be interested how far you can push the core if the memory was floored to -502... and still stay under the 100% TDP limit. This one seems to think +650 Memory is needed? |
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Nope, but like most of the MAX pools out there they are still fixing and adjusting a lot of the code for MAX and it will eventually be fixed. I'll just go back to Middlecoin at that point Beside looking at share vs hash rates on the pool it's obvious i'm later to this game then a few people with much higher base hash rates, lol I could tell you about more MAX pool vulnerabilities, but I've promised someone I won't Bad business airing dirty laundry like that so I won't blame you for a thing I have already told the admins about this issue, they know it's a problem, it's on a list of things for them to fix, but they are being cool and not threatening or banning peeps right now. No doubt it will be patched in a few days at the latest. |
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I found a MAX pool that does not properly weight the share difficulties and basically only counts total submitted shares, they use vardiff that starts fresh with each connection and re-calcs after 60 seconds, but during that first run I can get 200-400 shares submitted and make 5-7% of the mined block...
not exactly good sportsmanship Nope, but like most of the MAX pools out there they are still fixing and adjusting a lot of the code for MAX and it will eventually be fixed. I'll just go back to Middlecoin at that point Beside looking at share vs hash rates on the pool it's obvious i'm later to this game then a few people with much higher base hash rates, lol |
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I found a MAX pool that does not properly weight the share difficulties and basically only counts total submitted shares, they use vardiff that starts fresh with each connection and re-calcs after 60 seconds, but during that first run I can get 200-400 shares submitted and make 5-7% of the mined block... The --time-limit command takes a REALLY long time to close out, anywhere between 5-30 seconds, normally this won't be much total down time if you are doing a 30 minute cycle but it can be a very large chunk of time if you are doing a 60-80 seconds restart time... I've written a batch script to kill and restart CUDAMiner every 60 seconds, this ends the process and restarts very quickly with very little perceivable downtime. For thos that are interested... Win Vista and higher only due to use of TIMEOUT command. @echo off
set app="cudaminer.exe"
set limit=60
:start
start "" /min %app% -i 0 --algo=keccak -R 2 -L 256 -l K1022x32 -q -C 2 -o stratum+pooladdress -O workername:password
timeout %limit%
taskkill /im %app% /f
goto start
Much faster turnaround in Windows. @Christian - Not sure why it takes so long for the --time-limit command to shut down CUDAMiner, might be worth looking into. |
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When solo mining MRC for the last few hours I have gotten a couple of "submit_upstream_work json_rpc_call failed" errors (screen grab here: http://imgur.com/C2ekgAN ) which force me to restart cudaminer. I have the microCoin wallet open, but haven't mined any blocks. Does this message mean that I found a block but can't send it to the network? means that your wallet may have lost the connection to the network, possibly when your miner was ready to submit some found block. in such a case, the wallet responds to all requests with a 500 error code Christian Thank you, that's what I was afraid of. I guess it would be better not to have shut down cudaminer there. You might find it best to add additional nodes if they are listed for your particular wallet. Generally this are called "Super Nodes" these are the suggested nodes to work with. It looks like their is only on listed super-node currently. 84.251.34.142:44444 If you continue to have connection issues it may be better to pool mine as the work units are going to be smaller and connections tend to be a bit better managed. |
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Using CUDA 6.0 with my GeForce GT 650M (1024MB) on OS X (MacBook) seems to have reduced my performance. Any suggestions on other configuration options that might work better with 6.0?
Thanks!
Burn it, burn it with fire! Not the Macbook. CUDA 6.0! I baked a Macbook Pro in the oven once (PCB only)... the Geforce 8400M issue (defective nVidia chip). Afterwards it worked for 2 more months Christian Yay for reflow! Did similar for a red ringed XBox rev 1 |
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These boxes aren't called troll boxes for no reason! CUDA 6.0 RC is available. You have to be a registered developer though https://developer.nvidia.com/usercompile cudaminer and compare results. the T kernel for keccak might be interesting to check out. In CUDA 5.5 it gives a rather shocking performance. Christian Using CUDA 6.0 with my GeForce GT 650M (1024MB) on OS X (MacBook) seems to have reduced my performance. With 5.5 I was seeing 70 - 75 Kh/s. With 6.0 I am seeing 45 - 50 Kh/s. With both versions I have been using K4x32 as my configuration. Any suggestions on other configuration options that might work better with 6.0? Thanks! CUDA 6.0 might need adjusting or tweaking and it's not an official release yet just an RC for people to look at and devs to develop on, there may be issue or adjustments to software needed |
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Unified memory isn't really helping in terms of speed, only in terms of code simplicity.
I'd rather be in full control, having to write a bit more code though.
Hmm yeah I read a bit more, sounds like it "hides" the code to copy from CPU to GPU, rather than extending CPU to GPU. I'm sure control of this is retained but it just adds functionality to easy assigning this for extra compatibility |
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I am running cudaminer 2014-02-09 (beta) and i am seeing very slow hash rate
card model GeForce GTS 240
Current settings
cudaminer -l K600x16 -a keccak -H 1 -i 1 -C 1 -o stratum+tcp://xxx -u x -p x
-i 0 -H 1 -l F<...>x16 -o stratum+tcp://xxx -u x -p x Please replace the <...> in the above with about the highest value you can place without getting an out of memory error when launching CUDAminer. That is a fairly old card I'm not sure you will see much more then 20MH/s and that's generous. |
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Unified memory would cause a huge burden on the PCI-x lane. You'd need powered risers and would get severely impacted by boards that split the lanes to different cards when multiple cards are in use  |
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If you already have unexchanged MAXCoins you should be rejoicing though rejoice. now I can order 10 more pizzas online without ever using any cash. I heard some payment services will allow you to use crypto coins for checkout on sites like amazon or ebay. This could be interesting, too. I'd get your sell order in quickish though, total volume out for sale has literally halved in about 10 minutes... if it hit a wall price will rocket for a few minutes then slump lol. timing is key. EDIT: AAAAAND CRASH!!! |
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