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Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][AUTO-SWITCH] Profit-switch auto-exchange pool: CleverMining.com
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on: March 23, 2016, 07:26:51 PM
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@cleverming your Titan ports left something to be desired. I see bout 1.5-2% rejects. On prohashing.com(which switches coins much faster than your pool) I get about .7-1.5%
Also, it would be nice if the vardiff was statically set, because even if Im using 8192 ... bfgminer still dynamically changes diff while mining, sometimes vardiff goes so high the miner doesnt submit shares for blocks during fast rounds ... so I would lose out on that profitability.
Nice to meet the creator of the famous GenTarkin Mod  If you want to improve the Titan reject rate, you are putting Titans to coins with high difficulty and do less coin switching. That's to some point harming the profitability of other miners, which use well designed scrypt asics. 1.5-2% rejects is not too bad, if you think of overall scrypt profitability moving 20% up and down day by day. However, there is always room for improvement. I would need to have web access to a titan miner, in order to do intense testing for some hours on several days. Of course, i would compensate for the downtime. If you want to help and provide access to a titan, please PM me. Best, PPanther Well, like I said .. on prohashing the rejects are about half what I see on this pool and they switch coins MUCH faster than my Titan does on clevermining. Also, the other point is vardiff changes as I mine even when I set it statically to 8192. The problem is, vardiff will get set extremely high on fast switching coins and my Titan will only submit a couple shares ... and I lose out on profitability of those fast switching rounds. A place to start I think is to allow static vardiff of 8192 or higher and the pool shouldnt change it dynamically during mining. |
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Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][AUTO-SWITCH] Profit-switch auto-exchange pool: CleverMining.com
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on: March 23, 2016, 02:14:13 AM
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@cleverming your Titan ports left something to be desired. I see bout 1.5-2% rejects. On prohashing.com(which switches coins much faster than your pool) I get about .7-1.5%
Also, it would be nice if the vardiff was statically set, because even if Im using 8192 ... bfgminer still dynamically changes diff while mining, sometimes vardiff goes so high the miner doesnt submit shares for blocks during fast rounds ... so I would lose out on that profitability.
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206
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Alternate cryptocurrencies / Mining (Altcoins) / Re: Swedish ASIC miner company kncminer.com
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on: March 19, 2016, 08:35:42 PM
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Thats just like any current or potential cryptocurrency ASIC designer / manufacturer. Everything mining related places their bets when prices start climbing ... till diff catches up. After diff catches up those designers / manufactures cash in on the stupidity of the remaining sheep miners. Then once price falls, many ASIC companies fade to dust w/ legal battles, after theyve made their fortune ripping everyone off. Its the nature of all cryptocurrency mining man. Hence why GPU's were awesome. AMD didnt give a fuck about miners at all. |
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207
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Alternate cryptocurrencies / Mining (Altcoins) / Re: CUSTOM KNC TITAN FIRMWARE! based off KNC's v2.00
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on: March 17, 2016, 03:48:23 AM
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Hi, I bought a used Titan which had a donated/pre-paid 99e version installed. Is it possible to get an update to the latest version? Is it possible to disable the energy saving feature? According to the description, you found an important bug in the original KNC code: Noticed in rare cases dies are configured with positive voltage – wrote correction code for this. Maybe that bug leads to dies with 0.8V idle issue. May you explain a bit more about the bug please. In which situations it occurs, what did you improve? I tried to find the source code of your version 1.0.0, but found the readme and license only on github. Where can I find the latest source code? Thanks Joerg I will contact you privately regarding the upgrade. As for the rest of your questions: The energy saving feature is not enabled unless the user decides to turn it on. For the positive voltage problem: I ran into this on some occassion when I told waas to update clocks / volts, for some reason it would issue a positive version of the specified voltage. No this does not cause the .8v idle issue. That is simply a die which has went to sleep and requires a hard reset. If hard reset doesnt work then a manual power cycle of entire rig is required. If that doesnt work then that die is effectively dead. The source code of my latest releases are not entirely open source. Although if one wishes to see the parts of the source which is available then its part of the .bin installation file. You can find out more information at my website - http://gentarkincustomtitan.pcriot.com |
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208
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Alternate cryptocurrencies / Mining (Altcoins) / Re: Swedish ASIC miner company kncminer.com
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on: March 16, 2016, 07:04:00 PM
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I was bit surprised when after modyfing cubes per youtube video (anyone did put heatsink on all DC converters?) and applying new thermal paste I managed to get my problematic dies to work at full spead. I had 2 that would run at 125mhz max. now they running at full 300mhz (didnt tried more). and was shocked how dried up thermal paste was on some cubes:/ btw anyone ever tried to put some water cooling? Boy that's interesting! Nice job, what were the symptoms before re-pasting the dies? I just took out about 50% of the hog on a board that was kind of shaped like a taco chip with all dies dead. After a reflow and gentle torquing of the board to remove the sag, I have two dies are running at full speed, and the other two put out a lot of noise and fail (so they have to be disabled). The source of the hog was probably having the heat sink screwed down way too tight (don't do this). The remaining two do the "mumble" error when powered on, in BFGMiner you see tons of shares without requests coming in on all four dies, making the unit hash slowly. Still pulls full power on the dies, but garbage output. Turning off the dies makes the remaining two stable at 300mhz/40mh. Edit: This is an example of the gibberish message: [2016-03-14 21:33:38] KNC 1b[5:2:76]: Got nonce for unknown work in slot 5 As to water cooling I tried a Corsair H100 on a KNC Neptune. Worked great in terms of keeping the CPU cool, right up to when the unit leaked and vented the coolant with a foom. Oh well. Yeah, I could never come to fully trust water cooling. Had some running great on 6 hashfast boards for as long as I was mining on them. But still... one small leak and its all fucking done. Inside PC cases Im even more paranoid using water cooling ... I dont wanna destroy my computer ... lol! Ive been using this computer for about 4 years now and I have never had a leak good for you! =) But for me, it all comes down to worse case. CPU HSF - fan goes out, cpu throttles itself ... its obvious when cpu fan dies. This largely applies to gpu HSF as well. Watercooling - a leak happens ... stuff shorts and dies. I prefer to minimize my risk. |
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209
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Alternate cryptocurrencies / Mining (Altcoins) / Re: Swedish ASIC miner company kncminer.com
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on: March 16, 2016, 01:57:31 AM
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I was bit surprised when after modyfing cubes per youtube video (anyone did put heatsink on all DC converters?) and applying new thermal paste I managed to get my problematic dies to work at full spead. I had 2 that would run at 125mhz max. now they running at full 300mhz (didnt tried more). and was shocked how dried up thermal paste was on some cubes:/ btw anyone ever tried to put some water cooling? Boy that's interesting! Nice job, what were the symptoms before re-pasting the dies? I just took out about 50% of the hog on a board that was kind of shaped like a taco chip with all dies dead. After a reflow and gentle torquing of the board to remove the sag, I have two dies are running at full speed, and the other two put out a lot of noise and fail (so they have to be disabled). The source of the hog was probably having the heat sink screwed down way too tight (don't do this). The remaining two do the "mumble" error when powered on, in BFGMiner you see tons of shares without requests coming in on all four dies, making the unit hash slowly. Still pulls full power on the dies, but garbage output. Turning off the dies makes the remaining two stable at 300mhz/40mh. Edit: This is an example of the gibberish message: [2016-03-14 21:33:38] KNC 1b[5:2:76]: Got nonce for unknown work in slot 5 As to water cooling I tried a Corsair H100 on a KNC Neptune. Worked great in terms of keeping the CPU cool, right up to when the unit leaked and vented the coolant with a foom. Oh well. Yeah, I could never come to fully trust water cooling. Had some running great on 6 hashfast boards for as long as I was mining on them. But still... one small leak and its all fucking done. Inside PC cases Im even more paranoid using water cooling ... I dont wanna destroy my computer ... lol! |
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210
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Alternate cryptocurrencies / Mining (Altcoins) / Re: Swedish ASIC miner company kncminer.com
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on: March 15, 2016, 12:23:57 AM
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Energy saver phase 3 ended this morning on my Titan with 1.0.2 firmware of GenTarkin, so I click "yes" to apply settings and to stop auto tuning process. Here are my results (ASIC5 has 1 dead die and I set 3 dies to 325 MHz, all others are set to 300 MHz) : Web interface says : 1240W / 1349W wall -> 1174W / 1278W wall ASIC2 : 321W -> 304W ASIC3 : 328W -> 310W ASIC5 : 267W -> 256W ASIC6 : 322W -> 303W Before energy saver, my APC switch said 5,6 A, now it shows : 5,2 A @240V. So ~96 W down with same hashrate (~307 Mh/s avg), same error rate and rejects. Big thanks GenTarkin, awesome work Happy mining ! Awesome =) glad to hear! |
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212
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Alternate cryptocurrencies / Mining (Altcoins) / Re: ETH Mining questions
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on: March 12, 2016, 11:27:16 PM
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Thanks for your answers guys =)
I have have another question. Are PCIe x1 -> x16/x1 adapters ok for eth mining or do the cards need the full pcie bandwidth?
I would think its fine since the dag gets preloaded into the vram.
No. PCIE 1x is good enough. The loading of the DAG is one off. It is OK if that is slow initially. Thanks, just as I had suspected =) |
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216
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Alternate cryptocurrencies / Mining (Altcoins) / Re: ETH Mining questions
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on: March 12, 2016, 06:35:40 AM
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i know that windows work better with nvidia, the problem come with windows 10, not so much with 7, probably drivers issue related? Without starting a new topic ... figured I would ask here as well, what should I expect from 2x 7870xt?
Im currently getting about 27mh that shows in ethminer. The nicehash is showing about 33mh on average for the last 6hrs at least.
They are clocked at 1050/1575
*also, whats more important in mining ETH ... gpu or vram clock?
This sound bout right?
is the access to the memory that is important, and i don't remember all the details now, there was a post on the etheruem forum explaining it The difference between W10 and W8.1 is how the memory is allocated in the GPU system. W10 is slower than W10, that is more apparent in the nVidia cards. Im talking about clock speeds. Whats more important the GPU clockspeed or the GPU's RAM clockspeed? |
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218
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Alternate cryptocurrencies / Mining (Altcoins) / Re: Swedish ASIC miner company kncminer.com
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on: March 12, 2016, 06:18:49 AM
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Maybe this was mentioned already in this 2000+ page thread but Im going to ask anyway... Is there anyway to dynamically adjust the fan speed? These miners are actually fairly quiet but being able to knock them down manually or auto adjust based on temp would be a nice plus. Note that Im a new Titan owner so maybe this is common knowledge and I just lacking it.
EDIT: Thought this was GenTarkins thread, but I guess the question fits here as well...
Nope, Im pretty sure there isnt. I havent seen any indication of being able to specify fan speeds or even a fanspeed controller. But, Im sure those that have studied the physical board might know more bout this. |
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220
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Alternate cryptocurrencies / Mining (Altcoins) / Re: Swedish ASIC miner company kncminer.com
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on: March 11, 2016, 06:27:28 PM
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Hey guys, quick website update:
So, for some reason permalinks broke which caused every page to not work correctly except homepage =(
On top of that seems there are intermittent connection issues every once in a while. I dont know why my host has gone to shit in the last week, Im hoping all this pans out.
Anywho, should be working now.
I restored default permalinks ... those work.
But any external links to specific pages on my site wont work till my host fixes their issues.
This is such a PITA that my host has all these issues at this time lol! of all times! =/
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