I wont keep quoting the above but badman's develop branch is working well for me now with 4-5% speedups over the v5_0 branch.
@bullus I'm also running 7950s. What are you settings and hashrates? I'm currently pulling 2424-2435 khs per card @ 1025 engine / 1250 mem on x15 using:
"hamsi-expand-big" : "7",
"hamsi-short" : true,
"blake-compact" : true,
"keccak-unroll" : "8",
"luffa-parallel" : true,
Not sure if these are the right settings for this card or not. It's about 5.2% faster than the v5_0 branch, but there might be room for optimization. I'll probably fiddle around with it throughout the week.
I get about 2500kh/s with 1040/1500 with the older sgminer, but using different bins from different builds and keep the highest bins.
profiles.conf
{
"profiles" : [
{
"name" : "x11",
"algorithm" : "darkcoin-mod",
"xintensity" : "64",
"hamsi-expand-big" : "4",
"gpu-threads" : "2",
"gpu-powertune" : "8",
"worksize": "256"
},
{
"name" : "x13",
"algorithm" : "marucoin-mod",
"xintensity" : "39",
"gpu-threads" : "2",
"gpu-powertune" : "8",
"worksize": "64"
},
{
"name" : "x15",
"algorithm" : "bitblock",
"xintensity" : "39",
"hamsi-expand-big" : "4",
"gpu-threads" : "2",
"gpu-powertune" : "8",
"worksize": "64"
},
{
"name" : "nist5",
"algorithm" : "talkcoin-mod",
"intensity" : "18",
"hamsi-expand-big" : "1",
"gpu-threads" : "2",
"gpu-powertune" : "8",
"worksize": "64"
}
],
"default-profile": "nist5",
"hamsi-expand-big" : "4",
"gpu-fan" : "70-80",
"gpu-engine" : "1040",
"gpu-memclock" : "1500",
"gpu-vddc" : "1.088",
"failover-only" : true,
"shaders" : "1792",
"thread-concurrency" : "8192",
"expiry" : "1",
"gpu-dyninterval" : "7",
"hotplug" : "5",
"log" : "5",
"queue" : "0",
"scan-time" : "1",
"temp-hysteresis" : "2",
"shares" : "0",
"no-submit-stale" : false,
"no-restart" : true,
"failover-switch-delay" : "30",
"show-coindiff" : true,
"remove-disabled" : true,
"extranonce-subscription" : true
}