1.34 build has quite good average hashrate increase on f2pool european server:
https://i.imgur.com/jaAP52S.pnghttps://i.imgur.com/qSyAzBl.pnghttps://i.imgur.com/hjIyT1d.pngwell 1.33 build also had around 28g/sec on miner but hashrate was below 30g/sec in 24 hour period, now rejected shares is 1.5% but hashrate increased around 3-4g.sec in fpool, maybe i even go 33g/sec after 24 hour non stop mining, with bminer 14.0 build i had 31g.sec but cpu usage was higher than gminer 1.34, daily rejected shares was around 1-1.5% with bminer as well, so i will use gminer 1.34 for now, by the way bminer newer builds always had lower hashrates both pool and miner for my 5 gpu build than 14.0 older build, gminer 1.34 is first build that has higher hashrate than 14.0 bminer build for my rig, well with bminer 14.0 i had only 27.2g/sec hashrate, with 15.0.1 only 16.7g/sec, so if gminer 1.34 has more or less same optimizations than bminer with 28g.sec miner hashrate it should achieve around 1g/sec higher hashrate in f2pool, average fidelity increase is the key to achieve higher hashrates as well as some kernel optimizations, as for beam hashrate i have around 126-127 sols on my 5gpu rig using tdp 70% and memory +500 as well as some core oc