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Thread: MD5 speed improvement ideas
Post: RE: MD5 speed improvement ideas
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Dalibor Wrote: (10-17-2010, 04:19 PM)
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There is MAD instruction (page 51) which performs multiplication and addition, so you can improve the bit rotation operation.
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Unfortunately this won't work... |
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IvanG |
User Contributions
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20 |
56,873 |
10-17-2010, 08:12 PM |
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Thread: AMD Stream 2.3 SDK released
Post: RE: AMD Stream 2.3 SDK released
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atom Wrote: (12-14-2010, 04:52 PM)
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I am still undecided, but I have seriously considered terminating development of oclHashcat.
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I know these feelings, writing code for ATI GPUs is a totally ann... |
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IvanG |
General Help
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12 |
32,432 |
12-14-2010, 06:50 PM |
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Thread: MD5 speed improvement ideas
Post: RE: MD5 speed improvement ideas
| Dalibor, ATI CAL compiler wasn't smart enough to use BFI_INT, mainly because this instruction presents only at ISA level while lowest level available to programmer is IL. With hacks it was possible to... |
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IvanG |
User Contributions
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20 |
56,873 |
12-14-2010, 06:55 PM |
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Thread: [split] BFI_INT from OpenCL
Post: RE: AMD Stream 2.3 SDK released
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atom Wrote: (12-15-2010, 09:09 AM)
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well i tried it with a simple opencl kernel where i put in the bitselect() but in the resulting .isa code there is no BFI_INT so i guess its not using it.
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c... |
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IvanG |
User Contributions
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9 |
25,944 |
12-15-2010, 05:48 PM |
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Thread: [split] BFI_INT from OpenCL
Post: RE: AMD Stream 2.3 SDK released
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atom Wrote: (12-15-2010, 07:33 PM)
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i did not use clc. i use the GPU_DUMP_DEVICE_KERNEL environment variable. if defined it dumps the .il and the .isa when its execing a opencl kernel.
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clc or Op... |
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IvanG |
User Contributions
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9 |
25,944 |
12-15-2010, 08:24 PM |
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Thread: Truecrypt
Post: RE: Truecrypt
| Rolf, we're need only 512 bytes from TrueCrypt volume to start attack. For standard volumes that's 512 bytes from very beginning, so no problem at all to extract everything needed.
gat3way_, when u... |
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IvanG |
Feature Requests
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9 |
27,817 |
04-11-2012, 12:20 PM |
