Is this next release a big one? I saw there was talk about a performance boost a few posts back and script-jane stuffs. What can we expect this weekend?
it's mostly the scrypt-jane support and the new nVidia-submitted kernels which add a speed boost to scrypt minig.
Christian
I'm having some difficulty pulling off improved numbers after building from the repository. I pulled the repository about 6 hours ago so I'm pretty sure I have the newest code to build from.
For reference, I run an i5-3570K @ 4.2GHz and a GTX 680 (2GB).
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With the 12-18 build I get around 350 khash/s, and my command line is: cudaminer -r 10 -R 30 -T 30 -d 0 -H 1 -i 0 -C 2 -l K8x32
A quick sample of the output I receive with this config...
[2014-01-31 23:00:40] 1 miner threads started, using 'scrypt' algorithm.
[2014-01-31 23:00:40] Starting Stratum on stratum+tcp://[address-omitted.com]
[2014-01-31 23:00:41] GPU #0: GeForce GTX 680 with compute capability 3.0
[2014-01-31 23:00:41] GPU #0: the 'K' kernel ignores the texture cache argument
[2014-01-31 23:00:41] GPU #0: the 'K' kernel requires single memory allocation
[2014-01-31 23:00:41] GPU #0: interactive: 0, tex-cache: 0 , single-alloc: 1
[2014-01-31 23:00:41] GPU #0: using launch configuration K8x32
[2014-01-31 23:00:41] GPU #0: GeForce GTX 680, 8192 hashes, 58.93 khash/s
[2014-01-31 23:00:41] GPU #0: GeForce GTX 680, 98304 hashes, 301.53 khash/s
[2014-01-31 23:00:41] accepted: 1/1 (100.00%), 301.53 khash/s (yay!!!)
[2014-01-31 23:00:45] Stratum detected new block
[2014-01-31 23:00:45] GPU #0: GeForce GTX 680, 1343488 hashes, 345.08 khash/s
[2014-01-31 23:01:43] GPU #0: GeForce GTX 680, 20709376 hashes, 355.88 khash/s
[2014-01-31 23:01:52] Stratum detected new block
[2014-01-31 23:01:52] GPU #0: GeForce GTX 680, 3137536 hashes, 356.36 khash/s
[2014-01-31 23:02:00] GPU #0: GeForce GTX 680, 2818048 hashes, 355.66 khash/s
[2014-01-31 23:02:00] accepted: 2/2 (100.00%), 355.66 khash/s (yay!!!)
[2014-01-31 23:02:26] GPU #0: GeForce GTX 680, 9281536 hashes, 355.39 khash/s
[2014-01-31 23:02:26] accepted: 3/3 (100.00%), 355.39 khash/s (yay!!!)
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With the 01-20 build (I created on my machine using VS2012) I get about 120 khash/s, and this iteration I ran this command line: cudaminer -d 0 -H 1 -i 0 -C 2 -m 1 -l K32x32
[2014-01-31 22:40:15] 1 miner threads started, using 'scrypt' algorithm.
[2014-01-31 22:40:15] Starting Stratum on stratum+tcp://[address-omitted.com]
[2014-01-31 22:40:15] Stratum detected new block
[2014-01-31 22:40:16] GPU #0: GeForce GTX 680 with compute capability 3.0
[2014-01-31 22:40:16] GPU #0: interactive: 0, tex-cache: 2D, single-alloc: 1
[2014-01-31 22:40:16] GPU #0: 8 hashes / 1.0 MB per warp.
[2014-01-31 22:40:16] GPU #0: using launch configuration K32x32
[2014-01-31 22:40:16] GPU #0: GeForce GTX 680, 32.90 khash/s
[2014-01-31 22:40:31] GPU #0: GeForce GTX 680, 129.99 khash/s
[2014-01-31 22:41:25] GPU #0: GeForce GTX 680, 130.92 khash/s
[2014-01-31 22:41:25] accepted: 1/1 (100.00%), 130.92 khash/s (yay!!!)
[2014-01-31 22:41:44] Stratum detected new block
[2014-01-31 22:41:44] GPU #0: GeForce GTX 680, 125.98 khash/s
[2014-01-31 22:41:54] GPU #0: GeForce GTX 680, 123.38 khash/s
[2014-01-31 22:41:54] accepted: 2/2 (100.00%), 123.38 khash/s (yay!!!)
[2014-01-31 22:42:17] Stratum detected new block
[2014-01-31 22:42:17] GPU #0: GeForce GTX 680, 127.27 khash/s
[2014-01-31 22:42:31] Stratum detected new block
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GPU monitoring during both of these sessions can be found here:
Images -- what's odd is the spikiness of the GPU when running the beta build.
Any thoughts on options I should try? I've attempted to force the texture cache off (-C 0) with no improvement. I've tweaked my launch configuration (-l auto suggested K64x16, which seems odd but I went with it initially, no difference in output) without success. I tried both omitting and providing -m 1 but there was no significant difference in performance either.