After Claymore last ver. 14.6 you are not the fastest eth miner. I've got 32,3 mh/sec vs 31,5 with phoenix (RX480, bc drivers ). Your next pace, dev)
Phoenix linux:
GPU2: PCI 0000:03:00, Radeon RX 580 8 GB - BIOS: 113-BE366EU-Z46, MEMINFO: SK Hynix H5GQ8H24MJR
GFXCLK: 1239Mhz, DPM: 3, MEMCLK: 2250Mhz, PWR:84W, VLT: 0.86v, FAN: 40%, GPU TEMP: 53C, ASIC TEMP: 56C
GPUs: 1: 31.264 MH/s (174) 2: 31.489 MH/s (153) 3: 33.678 MH/s (181) 4: 31.826 MH/s (197)
Claymore linux:
GPU2: PCI 0000:03:00, Radeon RX 580 8 GB - BIOS: 113-BE366EU-Z46, MEMINFO: SK Hynix H5GQ8H24MJR
GFXCLK: 1239Mhz, DPM: 3, MEMCLK: 2250Mhz, PWR:85W, VLT: 0.86v, FAN: 40%, GPU TEMP: 54C, ASIC TEMP: 57C
ETH: GPU0 30.479 Mh/s, GPU1 30.595 Mh/s, GPU2 33.614 Mh/s, GPU3 31.638 Mh/s
Are you still sure Claymore is faster?
Thats some really good Hynix memory you have over there. Is it maybe Sapphire RX580 Nitro SE?