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Author Topic: SRBMiner Cryptonight AMD GPU Miner V1.9.3 - native algo switching  (Read 237202 times)
istr
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May 15, 2018, 05:42:37 AM
 #1901

Doc, I can confirm, that my RX580 cards with 8GB get a Hashrate drop after Pool switch / dev Pool. After start and close GPU-Z while miner is running, the max. Hashrate come back again.

Would be nice to implement the „Magic Function“ to the Miner :-)

Greetings from Germany
Oliver

Hashrate shouldn't drop after devfee mining, because when switching do devfee pool, user pool is not disconnected, it's running in the background, and when devfee finishes it just takes work from user pool and continues hashing. User pool can lower difficulty because user is not sending shares for 1 minute, but i don't believe that should be a reason for the hashrate to drop.

Also it would be nice to know what is gpuz doing Smiley

Tricky :-)

I also think, that the lower difficulty after devfee is NOT the reason because i set a static Diff.

Algo: Heavy, last Version of GPU-Z

I can confirm what Doktor says, that there is NO drop in hashrate after devfee pool disconnects, some versions now.
That was the occasion some versions before when Doc was disconnecting user pool being connected to his.
But we have hashrate drop whenever we switch pools. That's a different story.
As you understand the problem arises whenever GPUs loose "load" and have to start over again.
For me, when my GPUs reach maximum speed with whatever way (GPU-Z,...), they stay ROCK STABLE for days
until I'll stop SRBminer  just to reboot my machine.
I don't switch pools now for long time. I'm rock stable in one :-)))

"Also it would be nice to know what is gpuz doing Smiley"
Doc, maybe if you ask the dev team?
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heavyarms1912
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May 15, 2018, 05:51:21 AM
 #1902

Cryptonighy-Heavy.  1200+ H/s on RX 570 8gb (Micron).  Also, serving as primary display card so couldn't push them too far.  Makes my Vega 56 look bad hashing at 1400 H/s  Cry



have left them hashing at 1130 H/s 1250/2200 clocks @ 906mV.

which intensity you used? did you modded your bios with polaris editor one click timing?

56. Dual threads.  Not the PBE strap.  PBE timings are pretty good too. They do 1080 on similar settings.  Haven't tested those at 1400+ clocks
istr
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May 15, 2018, 06:48:55 AM
 #1903

Hello guys,

In heavy algorithm I use 1300 mhz core and depending on memory type (Samsung, Micron...) some cards work on 2000 mhz and some others on 2150 - 2200.
What do you suggest for voltages on both core and memory?
Right now I use core 975 mv and mem 1000 mv. Is it good or I can lower it a little more to save energy?
Cards are RX 580 8gb.

Thanks in advance!


Istr, what is your hashrate per rx580 card?

I do 1160mhz coreclock + 2220mhz on my microns, 880mV vcore and vmem., I get 1010 mh/s, using polaris 1 click timings
I do 1160mhz coreclock + 2100mhz on one of my hynix, 900 mV vcore and vmem, with a custom timing strap, and get 1005mh/s,
I do 1160mhz coreclock + 2190mhz on my other hynix, 900 mV vcore and vmem, with polaris 1 click timings, and get 950mh/s

I think, you cannot set vcore to be less than vmem, so your cores are effectively running at 1000mV.

I must say though, my hynix that does 1005 is not very stable, it does crash every once in a while, and it is the one with hashing errors, although no memory errors are reported. Some of my microns report mem errors but they never procuded bad hashes. That hynix one was bad from the beginning, but the custom ram timings saved a lot of performance and reduced the errors to acceptable levels.

I can't flash the other hynix as it's index is too high and I have to shutdown mining and disable some gpu's to reach it with ATI flash.

[/quote]




Hi hesido,

thank you for your replay!

As I said in an earlier post I get from 1070 to 1148 h/s.
I have 2 rigs.

The first one with 6 RX. 2 480's and 4 580's 8gb all. (All 8gb in one rig for testing reasons).

2 Pulse's with Micron running 1300 mhz core and 2150 and 2200 mhz mem. I get on them 1070 and 1094 h/s stable.
1 XFX RX 480 8gb Samsung running 1220 mhz and 2000 mhz mem. I get on this 1106 h/s stable.
1 PowerColor RX 580 Micron running 1300 mhz core and 2170 mhz mem. I get on this 1080 h/s stable.
1 RX 480 Nitro+ Samsung running 1280 core and 2000 mem giving me 1134 h/s also stable.
and 1 Pulse RX 580 Samsung running 1300 core and 2000 mem giving me 1148 h/s also very stable for days and days.

Second rig and last, pitty!

4 Sapphire RX 570 4gb Nitro+ Hynix mem type running 1280 core and 2000 mem giving me 755 to 765 h/s also stable all the time.
and 2 Sapphire RX 580 4gb Nitro+ Elpida mem type running 1280 core and 1900 mem giving me 776 to 780 h/s stable all the time.
This second rig with the 4gb memory NEVER had the hashrate drop problem.
They reach maximum speed from the beginning.

I wish I had more!!! :-)))
To be honest I'm waiting for one Sapphire RX 580 8gb Special Edition. We'll see how it'll go.
All these on heavy algo.

Greetings from Hellas!


istr
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May 15, 2018, 07:14:05 AM
 #1904

Cryptonighy-Heavy.  1200+ H/s on RX 570 8gb (Micron).  Also, serving as primary display card so couldn't push them too far.  Makes my Vega 56 look bad hashing at 1400 H/s  Cry

https://i.imgur.com/D6pGkAF.jpg

have left them hashing at 1130 H/s 1250/2200 clocks @ 906mV.

which intensity you used? did you modded your bios with polaris editor one click timing?

56. Dual threads.  Not the PBE strap.  PBE timings are pretty good too. They do 1080 on similar settings.  Haven't tested those at 1400+ clocks


Hi heavyarms!

please, can you share your Micron straps you are getting this amazing speed?

Thank you in advance!
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May 15, 2018, 07:29:19 AM
 #1905

Cryptonighy-Heavy.  1200+ H/s on RX 570 8gb (Micron).  Also, serving as primary display card so couldn't push them too far.  Makes my Vega 56 look bad hashing at 1400 H/s  Cry
have left them hashing at 1130 H/s 1250/2200 clocks @ 906mV.

which intensity you used? did you modded your bios with polaris editor one click timing?

56. Dual threads.  Not the PBE strap.  PBE timings are pretty good too. They do 1080 on similar settings.  Haven't tested those at 1400+ clocks

nice strap, can you please share your strap? for me 1250/2200 only got 1110 and with intensity 54. intensity 56 will lower my hashrate. did you try intensity 54? if your GPU can reach 62 intensity I bet it will reach 1200 h/s with 1250/2200.
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May 15, 2018, 01:22:05 PM
 #1906

Dear, everything was fine for two days on the new version 1.5.3. He looked at the computer and again hdrop  Sad. There was not even any switching between the pools.
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May 15, 2018, 01:26:09 PM
 #1907

Hello ,
I bought a used RX580 nitro+ on ebay , it's a samsung memory , but the first owner flashed the bios. How I can recover the original bios to know the exact memory model in order to use a good strap?

thx in advance
lebuawu2
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May 15, 2018, 01:43:51 PM
 #1908

Hello ,
I bought a used RX580 nitro+ on ebay , it's a samsung memory , but the first owner flashed the bios. How I can recover the original bios to know the exact memory model in order to use a good strap?

thx in advance
if you said samsung then it's samsung, it won't changed by flashing the bios. strap from PBE should be good enough for samsung.
istr
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May 15, 2018, 02:24:55 PM
 #1909

Cryptonighy-Heavy.  1200+ H/s on RX 570 8gb (Micron).  Also, serving as primary display card so couldn't push them too far.  Makes my Vega 56 look bad hashing at 1400 H/s  Cry
have left them hashing at 1130 H/s 1250/2200 clocks @ 906mV.

which intensity you used? did you modded your bios with polaris editor one click timing?

56. Dual threads.  Not the PBE strap.  PBE timings are pretty good too. They do 1080 on similar settings.  Haven't tested those at 1400+ clocks

nice strap, can you please share your strap? for me 1250/2200 only got 1110 and with intensity 54. intensity 56 will lower my hashrate. did you try intensity 54? if your GPU can reach 62 intensity I bet it will reach 1200 h/s with 1250/2200.


Hi lebuawu2,

could you please share your Micron straps?
I think they are better than mine.
Thanks!
lebuawu2
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May 15, 2018, 02:48:53 PM
 #1910

Cryptonighy-Heavy.  1200+ H/s on RX 570 8gb (Micron).  Also, serving as primary display card so couldn't push them too far.  Makes my Vega 56 look bad hashing at 1400 H/s  Cry
have left them hashing at 1130 H/s 1250/2200 clocks @ 906mV.

which intensity you used? did you modded your bios with polaris editor one click timing?

56. Dual threads.  Not the PBE strap.  PBE timings are pretty good too. They do 1080 on similar settings.  Haven't tested those at 1400+ clocks

nice strap, can you please share your strap? for me 1250/2200 only got 1110 and with intensity 54. intensity 56 will lower my hashrate. did you try intensity 54? if your GPU can reach 62 intensity I bet it will reach 1200 h/s with 1250/2200.


Hi lebuawu2,

could you please share your Micron straps?
I think they are better than mine.
Thanks!


sure you can try my strap, actually I modified a bit from PBE. maybe can increase a bit more but I already happy with what I got.
777000000000000022CC1C00AD615C41B0551016BA0D260B0060060004061420EA8940AA0300000 01012292EB22E3B16
JuanHungLo
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May 15, 2018, 03:07:58 PM
 #1911

Hello ,
I bought a used RX580 nitro+ on ebay , it's a samsung memory , but the first owner flashed the bios. How I can recover the original bios to know the exact memory model in order to use a good strap?

thx in advance
if you said samsung then it's samsung, it won't changed by flashing the bios. strap from PBE should be good enough for samsung.

You should read how to flash your BIOS https://bitcointalk.org/index.php?topic=1954245.0 and use the UberMix 3.1 when you do so.

Bull markets are born on pessimism, grow on skepticism, mature on optimism, and die on euphoria. - John Templeton
Larvitar
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May 15, 2018, 04:01:30 PM
 #1912

Cryptonighy-Heavy.  1200+ H/s on RX 570 8gb (Micron).  Also, serving as primary display card so couldn't push them too far.  Makes my Vega 56 look bad hashing at 1400 H/s  Cry



have left them hashing at 1130 H/s 1250/2200 clocks @ 906mV.
Damn!

Awesome hash!
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May 15, 2018, 04:03:00 PM
 #1913

Hello ,
I bought a used RX580 nitro+ on ebay , it's a samsung memory , but the first owner flashed the bios. How I can recover the original bios to know the exact memory model in order to use a good strap?

thx in advance
if you said samsung then it's samsung, it won't changed by flashing the bios. strap from PBE should be good enough for samsung.

You should read how to flash your BIOS https://bitcointalk.org/index.php?topic=1954245.0 and use the UberMix 3.1 when you do so.
For now I think it's the best Samsung strap, and the easier one.

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May 15, 2018, 05:09:01 PM
 #1914

Hello ,
I bought a used RX580 nitro+ on ebay , it's a samsung memory , but the first owner flashed the bios. How I can recover the original bios to know the exact memory model in order to use a good strap?

thx in advance
Go to https://www.techpowerup.com/vgabios/
Find your stock bios if it's needed.
But bios can't change memory type. Just run GPU-Z and you'll see what memory your card have.
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May 15, 2018, 07:27:49 PM
 #1915

Switch from cast.

Testing SRBminer last 3 days.... all stable no drops or errors.
Vega 56 rig, giving 2kh/s, with 150w per card

Svaka Čast Doktore.

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May 15, 2018, 08:39:07 PM
 #1916

Is anybody using this miner with AMD Vega 11 ? It's the Integrated GPU inside the Ryzen 5 2400G. 11 cores @ 1250MHz. 2GB mem max (DDR4).
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May 15, 2018, 10:37:10 PM
 #1917

Hello,

Can you add MarketCash (MKT) to your miner?
They will fork to their own algo in 2 days.

testnet pool with new algo: testnet.marketcash.io
Source code: https://github.com/MarketCashME/marketcash
Website: https://www.marketcash.io

Thank you!
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May 16, 2018, 12:40:35 AM
 #1918


Here the best results are at 60 intensity and just one thread. At 1230/2020 I can reach 775~785H/s in my RX570 4GB 4GB Elpida.

How are you able to run 60 intensity, 8 worksize on a 4GB card?
I am only able to run at 51 intensity with 8 worksize. At 52 I get a scratch pad size error, meaning not enough physical mem on the card.
I'm getting around 700H/s for two Hynix cards at 1350/2000.

same for me with MSI RX570 4GB, max.51 intensity, 52 is error ...
Mod your card with srbpolaris 3.4. my rx 570 4g does 940 at intensity 54 and mem 2020, core 1130. Hynix memory.
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May 16, 2018, 04:32:37 AM
 #1919

Hey guys, I have 2 rigs with 5x RX570s each. One works perfectly with SRBMiner. For the other miner, only 4/5 cards work with SRBMiner. The other card gets and error "CL_INVALID_BINARY" at startup when compiling kernel.

What do I do here? I have had the issue card mining ETH and disabled in SRBMiner for now, but I want to move it to SRBMiner ideally. I tried reinstalling drivers, but that didn't work.
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May 16, 2018, 05:21:05 AM
 #1920

Hey guys, I have 2 rigs with 5x RX570s each. One works perfectly with SRBMiner. For the other miner, only 4/5 cards work with SRBMiner. The other card gets and error "CL_INVALID_BINARY" at startup when compiling kernel.

What do I do here? I have had the issue card mining ETH and disabled in SRBMiner for now, but I want to move it to SRBMiner ideally. I tried reinstalling drivers, but that didn't work.

gpu model and driver version ? Also srbminer version?
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