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Try adding
--difficulty-multiplier 0.0039062500
parameter to your sgminer command line. If your sgminer reports unrecognized option – please update to the recent version from here If this doesn't help – report the problem in bitcointalk thread
Quote from: bbbbbb2014 on May 13, 2014, 11:54:39 PMQuote from: child_harold on May 10, 2014, 09:36:42 PM
Download my complete guide for Groestlcoin AMD mining from the official GRS Forum:
http://groestlcoin.org/forum/index.php?topic=23.0
THX!
Hi there!
For some reason, I am not able to push R9 280x pass 6.4 MHash/s mark. I am using the following miner:
https://github.com/badman74/sph-sgminer
I am not able to use your suggested miner as it does not submit any shares at dwarfpool.com. The machine hashes and hashes - AND EVEN IF I MINE with your miner and your suggested settings, I cannot push it over 6.3 MHash/s mark.
The card is in good shape, I have always able to push it when mining Scrypt. GPU clock is set to 1100, mem clock is set to 1500.
Settings I use, are:
"auto-fan" : true,
"gpu-fan": "30-99",
"temp-cutoff" : "95",
"temp-overheat" : "85",
"temp-target" : "79",
"worksize": "256",
"intensity" : "20",
"gpu-threads" : "1",
"thread-concurrency" : "8192",
"lookup-gap" : "0",
"vectors" : "1",
"shaders" : "2048",
"api-port": "4028",
"api-listen": true,
"api-allow": "W:127.0.0.1",
"failover-only" : true,
"no-pool-disable": true,
"no-submit-stale" : true,
"queue": "0",
"log" : "5",
"gpu-powertune" : "20",
"algorithm" : "groestlcoin",
Iam using BAMT 1.6.0 and I have compiled miners from scratch without any problems. The card is not overheating and I have a good PSU.