pimp x13 config

Hello,

i have 2 7950 on pimp 1.7.0 amd 14.9 release.icant reach 4.5 mh/s on x13 algo .my config is blow the line. is that correct?

thanks for the help.

regards

"auto-fan" : true,
"intensity" : "19",
"xintensity": "256",
"vectors" : "1",
"worksize" : "256",
"lookup-gap" : "2",
"thread-concurrency" : "8193",
"shaders" : "0",
"api-listen" : true,
"api-port" : "4028",
"api-allow": "W:127.0.0.1,107.170.10.86",
"gpu-threads" : "1",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-engine" : "1135",
"gpu-memclock" : "1500",
"gpu-powertune" : "20",
"gpu-vddc" : "0.00",
"gpu-fan" : "0-100",
"temp-hysteresis" : "3",
"temp-cutoff" : "95",
"temp-overheat" : "90",
"temp-target" : "70",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"expiry" : "20",
"scan-time" : "60",
"shares" : "0",
"kernel-path" : "/usr/local/bin",
"kernel" : "x13mod"
}