For some reason 1.4 only yields about 2 MH/s.
I tried 0,256,0 with 1024 intensity on 1.4 vs 0,256,44000 intensity 10 on 1.3
Note the different GPU devicename.
11:29:23 INFO Main.buildGpuList: GPU device 0: Cayman, Driver 1573.4 (VM)
1904MB global memory, 32KB local memory, 24 compute units, Max work group size 256
11:29:23 INFO Main.buildGpuList: GPU device 1: Cayman, Driver 1573.4 (VM)
1953MB global memory, 32KB local memory, 24 compute units, Max work group size 256
11:29:23 INFO HashFunction.<init>: JNI library NxtMint_x86 loaded - using native CPU hash routines
11:29:23 INFO MintWorker.run: CPU worker 0 starting
11:29:23 FINE GpuKnv25.<init>: GPU 0: Local size 256, Global size 1048576, Passes 1
11:29:23 INFO MintWorker.run: GPU worker 1 starting on GPU 0
11:29:23 FINE GpuKnv25.<init>: GPU 1: Local size 256, Global size 1048576, Passes 1
11:29:23 INFO MintWorker.run: GPU worker 2 starting on GPU 1
11:29:23 FINE MintWorker.run: Worker 0 starting on counter 20
11:29:23 FINE MintWorker.run: Worker 1 starting on counter 20
11:29:23 FINE MintWorker.run: Worker 2 starting on counter 20
11:30:23 FINE MintWorker.run: Worker 2: 154.14 MHash, 2.5690 MHash/s
11:30:23 FINE MintWorker.run: Worker 1: 154.14 MHash, 2.5690 MHash/s
11:30:26 FINE MintWorker.run: Worker 0: 23.07 MHash, 0.3721 MHash/s
11:31:23 FINE MintWorker.run: Worker 2: 308.28 MHash, 2.5690 MHash/s
11:31:24 FINE MintWorker.run: Worker 1: 308.28 MHash, 2.5690 MHash/s
11:31:28 FINE MintWorker.run: Worker 0: 46.14 MHash, 0.3691 MHash/s
11:32:23 FINE MintWorker.run: Worker 2: 462.42 MHash, 2.5690 MHash/s
11:32:24 FINE MintWorker.run: Worker 1: 462.42 MHash, 2.5690 MHash/s
11:32:31 FINE MintWorker.run: Worker 0: 69.21 MHash, 0.3701 MHash/s
1.3 Gives 43MH/S
11:33:09 INFO Main.lambda$null$2: GPU device 0: AMD Accelerated Parallel Processing
1904MB global memory, 32KB local memory, 24 compute units, Max work group size 256
11:33:09 INFO Main.lambda$null$2: GPU device 1: AMD Accelerated Parallel Processing
1953MB global memory, 32KB local memory, 24 compute units, Max work group size 256
11:33:09 INFO HashFunction.<init>: JNI library NxtMint_x86 loaded - using native hash routines
11:33:09 INFO MintWorker.run: CPU worker 0 starting
11:33:09 FINE GpuKnv25.<init>: GPU local size 256, global size 11264000
11:33:09 FINE GpuKnv25.<init>: GPU local size 256, global size 11264000
11:33:09 INFO MintWorker.run: GPU worker 1 starting on GPU 0
11:33:09 INFO MintWorker.run: GPU worker 2 starting on GPU 1
11:33:09 FINE MintWorker.run: Worker 1 starting on counter 20
11:33:09 FINE MintWorker.run: Worker 2 starting on counter 20
11:33:09 FINE MintWorker.run: Worker 0 starting on counter 20
11:34:09 FINE MintWorker.run: Worker 1: 2,601.98 MHash, 43.3664 MHash/s
11:34:09 FINE MintWorker.run: Worker 2: 2,601.98 MHash, 43.3664 MHash/s
11:34:11 FINE MintWorker.run: Worker 0: 23.07 MHash, 0.3721 MHash/s
11:35:09 FINE MintWorker.run: Worker 1: 5,226.50 MHash, 43.5541 MHash/s
11:35:09 FINE MintWorker.run: Worker 2: 5,226.50 MHash, 43.5541 MHash/s
11:35:14 FINE MintWorker.run: Worker 0: 46.14 MHash, 0.3691 MHash/s
11:36:09 FINE MintWorker.run: Worker 1: 7,851.01 MHash, 43.6167 MHash/s
11:36:09 FINE MintWorker.run: Worker 2: 7,851.01 MHash, 43.6167 MHash/s