How are 4gb cards still able to pull 24-27mhs from mining ETH today? - page 2.

zydake

newbie

Activity: 7

Merit: 0

Quote from: miner29 on March 04, 2021, 03:12:49 PM

Super Zombie Mode requires lolminer and 4gb gpu. You can run 1 or 2 (a few very large cpus can run 3 or more) 4gb gpus at nearly full speed. You must put the card physically in the long slots. 1st gpu in slot 0 closest the cpu. The second if your board support into another full slot, The trick works by using the pcie lanes to supplement the vram on gpu with a little bit of system ram. You need x16 pcie lanes to get full speed with x8 providing about 50% of the SZM vs ZM. So a 570 about 26+mhs, 560 14.5mhs....at SZM.

So if you had say a 3 card riig (580-8 / 570-4 / 560-4)..and it has 2 long slots...and you have 24 pcie lanes becuase of the cpu you are running you would put 570-4 in slot 0 / 560-4 in slot 1 / 580-8 on riser to x1 slot...and could see 26/14/30mhs = 70mhs.

Which beats the hell out of doing all x1 risers and only seeing 48mhs for all 3 cards (4gb cards would be in zm but not szm)

It will end but looks to be some weeks/months away. Eventually the dag will grow to a point were there is no speed advantage to using system ram. The pcie lanes are not quite fast enough to equal the speed of vram...if it was it would continue to work. Its all about moving bits fast.

You dont have to set options in command line. It will detect and tune all cards automatically. Just set algo to eth.

Hey does this work on Windows ? Or MUST be in Linux?

ronnieb

jr. member

Activity: 199

Merit: 1

Quote from: miner29 on March 04, 2021, 03:12:49 PM

Super Zombie Mode requires lolminer and 4gb gpu. You can run 1 or 2 (a few very large cpus can run 3 or more) 4gb gpus at nearly full speed. You must put the card physically in the long slots. 1st gpu in slot 0 closest the cpu. The second if your board support into another full slot, The trick works by using the pcie lanes to supplement the vram on gpu with a little bit of system ram. You need x16 pcie lanes to get full speed with x8 providing about 50% of the SZM vs ZM. So a 570 about 26+mhs, 560 14.5mhs....at SZM.

So if you had say a 3 card riig (580-8 / 570-4 / 560-4)..and it has 2 long slots...and you have 24 pcie lanes becuase of the cpu you are running you would put 570-4 in slot 0 / 560-4 in slot 1 / 580-8 on riser to x1 slot...and could see 26/14/30mhs = 70mhs.

Which beats the hell out of doing all x1 risers and only seeing 48mhs for all 3 cards (4gb cards would be in zm but not szm)

It will end but looks to be some weeks/months away. Eventually the dag will grow to a point were there is no speed advantage to using system ram. The pcie lanes are not quite fast enough to equal the speed of vram...if it was it would continue to work. Its all about moving bits fast.

You dont have to set options in command line. It will detect and tune all cards automatically. Just set algo to eth.

This is pretty useful information, thank you.

miner29

full member

Activity: 1275

Merit: 141

Super Zombie Mode requires lolminer and 4gb gpu. You can run 1 or 2 (a few very large cpus can run 3 or more) 4gb gpus at nearly full speed. You must put the card physically in the long slots. 1st gpu in slot 0 closest the cpu. The second if your board support into another full slot, The trick works by using the pcie lanes to supplement the vram on gpu with a little bit of system ram. You need x16 pcie lanes to get full speed with x8 providing about 50% of the SZM vs ZM. So a 570 about 26+mhs, 560 14.5mhs....at SZM.

So if you had say a 3 card riig (580-8 / 570-4 / 560-4)..and it has 2 long slots...and you have 24 pcie lanes becuase of the cpu you are running you would put 570-4 in slot 0 / 560-4 in slot 1 / 580-8 on riser to x1 slot...and could see 26/14/30mhs = 70mhs.

Which beats the hell out of doing all x1 risers and only seeing 48mhs for all 3 cards (4gb cards would be in zm but not szm)

It will end but looks to be some weeks/months away. Eventually the dag will grow to a point were there is no speed advantage to using system ram. The pcie lanes are not quite fast enough to equal the speed of vram...if it was it would continue to work. Its all about moving bits fast.

You dont have to set options in command line. It will detect and tune all cards automatically. Just set algo to eth.

jgonzi

member

Activity: 639

Merit: 19

Quote from: ronnieb on March 04, 2021, 01:40:57 PM

Is zombie mode that powerful? is there another mode out there that takes care of the DAG sitatuon?

They are only able to do it with lolMiner... with his Zombie Mode in Mobo it can take some extra Mhs :-)

FireBallex