The increase is there hitting 500 on 4 Cards..2GTX1080 and 2 GTX1070 @601-619Watts before with all miners around 450Sol/s @ 750Watts.
It's instances=2 which is working ..threads is not.. :-D
Total 504.3 sol/s [dev0 117.1, dev1 133.1, dev2 124.1, dev3 135.2] 90 shares
Total 504.5 sol/s [dev0 117.1, dev1 133.4, dev2 124.6, dev3 135.5] 90 shares
Total 504.3 sol/s [dev0 117.8, dev1 132.7, dev2 125.1, dev3 134.2] 92 shares
Total 504.2 sol/s [dev0 118.7, dev1 132.4, dev2 124.4, dev3 134.6] 93 shares
Total 504.3 sol/s [dev0 119.5, dev1 131.8, dev2 125.7, dev3 134.7] 93 shares
Total 504.2 sol/s [dev0 119.7, dev1 131.6, dev2 126.3, dev3 134.0] 93 shares
Total 504.4 sol/s [dev0 119.2, dev1 131.7, dev2 126.7, dev3 133.3] 93 shares
Total 504.6 sol/s [dev0 119.4, dev1 131.6, dev2 127.0, dev3 133.1] 93 shares
Total 504.6 sol/s [dev0 120.5, dev1 131.6, dev2 127.2, dev3 133.6] 93 shares
Total 504.6 sol/s [dev0 120.9, dev1 130.5, dev2 126.0, dev3 132.6] 93 shares
Total 505.0 sol/s [dev0 120.8, dev1 130.3, dev2 126.0, dev3 133.0] 93 shares
Total 505.0 sol/s [dev0 121.1, dev1 130.6, dev2 125.5, dev3 132.7] 93 shares
Total 505.0 sol/s [dev0 120.2, dev1 130.2, dev2 125.6, dev3 133.8] 94 shares
Total 505.1 sol/s [dev0 120.3, dev1 130.1, dev2 125.6, dev3 133.9] 94 shares
Total 504.9 sol/s [dev0 119.7, dev1 131.6, dev2 124.9, dev3 134.4] 94 shares
Total 504.9 sol/s [dev0 119.6, dev1 132.0, dev2 123.9, dev3 133.8] 94 shares
Total 504.8 sol/s [dev0 119.0, dev1 131.5, dev2 123.8, dev3 132.9] 94 shares
Total 505.0 sol/s [dev0 119.9, dev1 132.0, dev2 124.8, dev3 132.2] 94 shares
Total 505.1 sol/s [dev0 119.3, dev1 132.6, dev2 125.3, dev3 132.8] 94 shares
Total 505.1 sol/s [dev0 118.2, dev1 132.6, dev2 125.9, dev3 130.7] 94 shares
Total 505.1 sol/s [dev0 118.8, dev1 132.6, dev2 125.3, dev3 130.6] 95 shares