あまりにも遅いので、CUDAを2.1に落として、beta7に戻しました。
$ ./dnetc-cuda/dnetc -bench rc5-72 distributed.net client for CUDA 2.1 on Linux Copyright 1997-2009, distributed.net Please visit http://www.distributed.net/ for up-to-date contest information. Start the client with '-help' for a list of valid command line options. dnetc v2.9105-511-CTL-09070517-*dev* for CUDA 2.1 on Linux (Linux 2.6.24-22-generic). Please provide the *entire* version descriptor when submitting bug reports. The distributed.net bug report pages are at http://bugs.distributed.net/ Using email address (distributed.net ID) 'sr@hyper.cx' [Jul 27 04:19:31 UTC] RC5-72: using core #0 (CUDA 1-pipe 64-thd). [Jul 27 04:19:50 UTC] RC5-72: Benchmark for core #0 (CUDA 1-pipe 64-thd) 0.00:00:16.71 [77,124,039 keys/sec] [Jul 27 04:19:50 UTC] RC5-72: using core #1 (CUDA 1-pipe 128-thd). [Jul 27 04:20:09 UTC] RC5-72: Benchmark for core #1 (CUDA 1-pipe 128-thd) 0.00:00:16.74 [76,976,431 keys/sec] [Jul 27 04:20:09 UTC] RC5-72: using core #2 (CUDA 1-pipe 256-thd). [Jul 27 04:20:29 UTC] RC5-72: Benchmark for core #2 (CUDA 1-pipe 256-thd) 0.00:00:16.60 [75,508,980 keys/sec] [Jul 27 04:20:29 UTC] RC5-72: using core #3 (CUDA 2-pipe 64-thd). [Jul 27 04:20:48 UTC] RC5-72: Benchmark for core #3 (CUDA 2-pipe 64-thd) 0.00:00:16.58 [77,769,727 keys/sec] [Jul 27 04:20:48 UTC] RC5-72: using core #4 (CUDA 2-pipe 128-thd). [Jul 27 04:21:07 UTC] RC5-72: Benchmark for core #4 (CUDA 2-pipe 128-thd) 0.00:00:16.79 [68,186,005 keys/sec] [Jul 27 04:21:07 UTC] RC5-72: using core #6 (CUDA 4-pipe 64-thd). [Jul 27 04:21:27 UTC] RC5-72: Benchmark for core #6 (CUDA 4-pipe 64-thd) 0.00:00:17.10 [78,355,916 keys/sec] [Jul 27 04:21:27 UTC] RC5-72: using core #7 (CUDA 4-pipe 128-thd). [Jul 27 04:21:46 UTC] RC5-72: Benchmark for core #7 (CUDA 4-pipe 128-thd) 0.00:00:16.72 [68,484,852 keys/sec] [Jul 27 04:21:46 UTC] RC5-72: using core #9 (CUDA 1-pipe 64-thd busy wait). [Jul 27 04:22:05 UTC] RC5-72: Benchmark for core #9 (CUDA 1-pipe 64-thd busy wait) 0.00:00:16.71 [77,133,875 keys/sec] [Jul 27 04:22:05 UTC] RC5-72: using core #10 (CUDA 1-pipe 64-thd sleep 100us). [Jul 27 04:22:24 UTC] RC5-72: Benchmark for core #10 (CUDA 1-pipe 64-thd sleep 100us) 0.00:00:16.73 [77,027,332 keys/sec] [Jul 27 04:22:24 UTC] RC5-72: using core #11 (CUDA 1-pipe 64-thd sleep dynamic). [Jul 27 04:22:44 UTC] RC5-72: Benchmark for core #11 (CUDA 1-pipe 64-thd sleep dynamic) 0.00:00:16.71 [77,128,957 keys/sec] [Jul 27 04:22:44 UTC] RC5-72 benchmark summary : Default core : #0 (CUDA 1-pipe 64-thd) Fastest core : #6 (CUDA 4-pipe 64-thd) [Jul 27 04:22:44 UTC] Core #6 is marginally faster than the default core. Testing variability might lead to pick one or the other.
やはり、この方が幸せですね。