grand96
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December 08, 2016, 07:24:32 AM |
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Gigabyte HD7850 2GB, 1100/1250, -i 5 - 138 sol
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Amnesiacu
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Activity: 10
Merit: 0
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December 08, 2016, 07:25:25 AM |
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Getting a solid +15% on my stock RX480 cards. Nice job indeed.
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Mitja1998
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Activity: 56
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December 08, 2016, 07:28:06 AM |
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That's it, all rigs are on V9, let's see how stable it will work, only one rig out of 94 turned off, I will check it tomorrow.
Also I wanted to ask about the benefits of ssl connection for mining ?
You have 94 rigs? ? How the f**k.
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suklee
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Activity: 67
Merit: 10
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December 08, 2016, 07:48:46 AM |
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That's it, all rigs are on V9, let's see how stable it will work, only one rig out of 94 turned off, I will check it tomorrow.
Also I wanted to ask about the benefits of ssl connection for mining ?
You have 94 rigs? ? How the f**k. lol
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MCWey8
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Activity: 81
Merit: 10
[ Poor Miner ]
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December 08, 2016, 07:59:51 AM |
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reporting speed:
R7 360 -
v8 - 70 Sol/s V9 - 88 Sol/s
25% increase.
Thanks Claymore.
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Hotmetal
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December 08, 2016, 08:13:23 AM Last edit: December 08, 2016, 08:23:51 AM by Hotmetal |
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That's it, all rigs are on V9, let's see how stable it will work, only one rig out of 94 turned off, I will check it tomorrow.
How are you managing all those rigs?
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christiano88
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Activity: 161
Merit: 10
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December 08, 2016, 08:20:19 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown. Happened on 2 systems of mine after switching to V9. I have pretty poor power supplies, a seasonic 750w (it can get to 830-840w without shuting down) and a segotep 800w (at 50 degrees, 900w at 25 degrees). The first one has 5x 470s, and the 2nd one has 2x470 and a 290x and a 390. I undervolt the shit out of every card so that systems are stable 24/7. Now with v9 I had to undervolt more and also underclock (at least on the core) to make systems not freeze (I didn't get any bsods or restarts, or artifacts, only screen turned black and no signal from card, but systems kept running, so cards are not the issue). So careful with what PSU you choose, in my opinion, a 1000w is the minimum for a 5x470/480 if you plan to leave stock or overclock a bit. For 6 cards you will need 1150-1200w psu. The other option is to undervolt, like I did, and you could also lower power limit in AB for each card, maybe that helps with power spikes (I will experiment with that).
In conclusion, while on avg power consumption the eth miner is higher, those power spikes on zcash miner are overloading our psu's if done simultaneously on more cards or all. My sistems were completely stable at the same settings used in clay v8 on eth miner, so not the avg power consumption is the issue, clearly.
There is even a separate thread created by someone having these issues, and some others are joining in saying they have the same issue, but didn't bother into actually checking why it happens. It is not the miner's fault!
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Hotmetal
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December 08, 2016, 08:25:12 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown.
Just to confirm, there are some big PSU spikes happening.
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KrokoTill
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Activity: 51
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December 08, 2016, 08:33:31 AM |
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Very good new version - power usage is the same and it runs smoothly. Thank you Claymore!
|GPU | clocks | W | v8.0 h/s | v9.0 h/s | |370 | 1175/1500 | 110? | 128 | 156 | |280 | 1000/1500 | 130 | 188 | 195 | |290 | 1000/1250 | 180 | 274 | 285 |
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SweaterJacket
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Activity: 27
Merit: 0
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December 08, 2016, 08:45:17 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown.
Just to confirm, there are some big PSU spikes happening. Same here. I'm running 7 rx 480 on a single rig and had no problem with v.8. I've had to set -i 1 to stabilize the system. I'm using a Platinum EVGA psu, so its not that. Anyone have any insight?
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christiano88
Member
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Activity: 161
Merit: 10
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December 08, 2016, 08:46:44 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown.
Just to confirm, there are some big PSU spikes happening. Same here. I'm running 7 rx 480 on a single rig and had no problem with v.8. I've had to set -i 1 to stabilize the system. I'm using a Platinum EVGA psu, so its not that. Anyone have any insight? How much power for the PSU? The fact that it's platinum means very little.
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kiffner
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December 08, 2016, 08:46:54 AM |
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Is it just me or is this version mostly geared towards the Pitcairns ( 7850 / 7870 / 270x / 370 )? Getting pretty much 25% speed up with these cards. The rest not so much.
yep... i got 142 sols on each (sapphire 270), undervolted, slightly overclocked. 6x GPU, ~610W at the wall
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Hotmetal
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December 08, 2016, 08:54:31 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown.
Just to confirm, there are some big PSU spikes happening. Same here. I'm running 7 rx 480 on a single rig and had no problem with v.8. I've had to set -i 1 to stabilize the system. I'm using a Platinum EVGA psu, so its not that. Anyone have any insight? How much power for the PSU? The fact that it's platinum means very little. Two friends average PSU draw (6 GPUs, unclocked and undervolted) is around 777w with spikes up to 1033w (they have 1000w PSU). Just a heads up for people, be careful.
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AzzAz
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Activity: 1030
Merit: 1006
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December 08, 2016, 08:57:54 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown.
Just to confirm, there are some big PSU spikes happening. Same here. I'm running 7 rx 480 on a single rig and had no problem with v.8. I've had to set -i 1 to stabilize the system. I'm using a Platinum EVGA psu, so its not that. Anyone have any insight? How much power for the PSU? The fact that it's platinum means very little. Well, my Platimax 1200 has problems ( freezes ) with 6 480's. No problem with 5 of them. PM shows 850 - ish @ the wall so not registering spikes
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Hotmetal
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December 08, 2016, 09:04:02 AM |
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Well, my Platimax 1200 has problems ( freezes ) with 6 480's. No problem with 5 of them. PM shows 850 - ish @ the wall so not registering spikes
With Corsair PSUs, using corsair link it is quite easy to see the spikes. With v9, there's some wonky things going on at the same v8 intensity levels.
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christiano88
Member
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Activity: 161
Merit: 10
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December 08, 2016, 09:04:17 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown.
Just to confirm, there are some big PSU spikes happening. Same here. I'm running 7 rx 480 on a single rig and had no problem with v.8. I've had to set -i 1 to stabilize the system. I'm using a Platinum EVGA psu, so its not that. Anyone have any insight? How much power for the PSU? The fact that it's platinum means very little. Well, my Platimax 1200 has problems ( freezes ) with 6 480's. No problem with 5 of them. PM shows 850 - ish @ the wall so not registering spikes A regular wall meter cannot tell because the spikes are really short, but enough to trigger the PSU's protection systems. So only with a high update rate wall meter you can tell. Are your cards overclocked/overvolted?
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XPM-guru
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Activity: 44
Merit: 0
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December 08, 2016, 09:05:06 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown.
Just to confirm, there are some big PSU spikes happening. Same here. I'm running 7 rx 480 on a single rig and had no problem with v.8. I've had to set -i 1 to stabilize the system. I'm using a Platinum EVGA psu, so its not that. Anyone have any insight? How much power for the PSU? The fact that it's platinum means very little. Well, my Platimax 1200 has problems ( freezes ) with 6 480's. No problem with 5 of them. PM shows 850 - ish @ the wall so not registering spikes I have 1300w evga gold and with 3 470-s it crashes. With gpu-z i had ~63w and spikes up to ~98w
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christiano88
Member
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Activity: 161
Merit: 10
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December 08, 2016, 09:07:47 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown.
Just to confirm, there are some big PSU spikes happening. Same here. I'm running 7 rx 480 on a single rig and had no problem with v.8. I've had to set -i 1 to stabilize the system. I'm using a Platinum EVGA psu, so its not that. Anyone have any insight? How much power for the PSU? The fact that it's platinum means very little. Well, my Platimax 1200 has problems ( freezes ) with 6 480's. No problem with 5 of them. PM shows 850 - ish @ the wall so not registering spikes I have 1300w evga gold and with 3 470-s it crashes. With gpu-z i had ~63w and spikes up to ~98w If your cards are stock, then it might be that the protection kicks in for too much power usage on a single pciex cable. Did you connect each card to an individual pciex cable?
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AzzAz
Legendary
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Activity: 1030
Merit: 1006
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December 08, 2016, 09:09:37 AM |
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Careful with this version, while people report no major power increase, if you ever watched the gpu power consumption in gpu-z, you will see that each card has a power spike when it finishes a share (or something in the same ballpark). If you take the avg power consumption, it might look ok for the PSU, but those spikes, if they are done at the same time on most or all GPUs, even a relatively good PSU will make the system freeze or even shutdown.
Just to confirm, there are some big PSU spikes happening. Same here. I'm running 7 rx 480 on a single rig and had no problem with v.8. I've had to set -i 1 to stabilize the system. I'm using a Platinum EVGA psu, so its not that. Anyone have any insight? How much power for the PSU? The fact that it's platinum means very little. Well, my Platimax 1200 has problems ( freezes ) with 6 480's. No problem with 5 of them. PM shows 850 - ish @ the wall so not registering spikes A regular wall meter cannot tell because the spikes are really short, but enough to trigger the PSU's protection systems. So only with a high update rate wall meter you can tell. Are your cards overclocked/overvolted? Underclocked.... I have other PSUs, looks like Platimax is the most sensitive to this. HX1200i is just warmer but not freezing, Navitas 1250 too
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suklee
Member
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Activity: 67
Merit: 10
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December 08, 2016, 09:10:04 AM |
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Well, my Platimax 1200 has problems ( freezes ) with 6 480's. No problem with 5 of them. PM shows 850 - ish @ the wall so not registering spikes
With Corsair PSUs, using corsair link it is quite easy to see the spikes. With v9, there's some wonky things going on at the same v8 intensity levels. Can you post a screenshot of your graph, is it similar to this? https://www.dropbox.com/s/vytirsz36lntbee/Screenshot%202016-12-08%2017.08.48.png?dl=0(RM1000i with 6 RX480s in this rig)
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