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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Would be interesting to try it out on older AMD64. There's been a change that wo…
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n/a | tcatm | August 12, 2010, 07:42:47 PM |
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New Bitcoin Exchange (mtgox.com) Exchanges
You could parse https://mtgox.com/code/getDepth.php
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n/a | tcatm | August 10, 2010, 07:08:55 PM |
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Lost large number of bitcoins Bitcoin Technical Support
Do you still have the wallet.dat that once "contained" the 9000 BTC? I might be…
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n/a | tcatm | August 10, 2010, 06:22:03 PM |
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Some Statistics Development & Technical Discussion
The hashtarget is wrong. Also, the font is quite hard to read. letter-spacing: 2…
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n/a | tcatm | August 09, 2010, 09:56:22 PM |
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Version 0.3.8.1 update for Linux 64-bit Bitcoin Discussion
I'm still running an old node without SSE2 @600khash/s. The algorithm works so I…
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n/a | tcatm | August 09, 2010, 07:04:45 PM |
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bitcoin generation broken in 0.3.8? Development & Technical Discussion
I don't really know what it changes. I wonder why the define was made in the fir…
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n/a | tcatm | August 08, 2010, 01:49:15 PM |
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bitcoin generation broken in 0.3.8? Development & Technical Discussion
Did you compile it yourself? There's a define in makefile.unix. Something like -…
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n/a | tcatm | August 08, 2010, 06:56:54 AM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
It seems to be like this: everything before Core2 will be slower, everything sta…
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n/a | tcatm | August 08, 2010, 06:52:53 AM |
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sorry guys (and gals)! Bitcoin Discussion
The merkle tree (containing the transactions, including the 50BTC) is hashed and…
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n/a | tcatm | August 07, 2010, 08:21:16 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
I can confirm that the patch now works just fine. I just generated my first 50 B…
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n/a | tcatm | August 07, 2010, 05:59:55 PM |
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Super node Development & Technical Discussion
Super node by tcatm
Tilka: That's already the case with the mesh concept. Instead of one "supernode"…
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n/a | tcatm | August 07, 2010, 05:11:50 PM |
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Super node Development & Technical Discussion
Super node by tcatm
The client only connects to some of the other nodes. There's no need for more, b…
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n/a | tcatm | August 07, 2010, 07:12:22 AM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Thanks! That got probably mixed up when I patched the file with an older diff. I…
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n/a | tcatm | August 06, 2010, 06:54:04 AM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Oh, that's a part in the code my patch doesn't touch. You could try to remove li…
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n/a | tcatm | August 06, 2010, 05:59:18 AM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Yes, test is single threaded. Is there any output on stderr? From the coredumps…
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n/a | tcatm | August 05, 2010, 10:38:53 PM |
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Who's the Spanish jerk draining the Faucet? Bitcoin Discussion
Just an idea... you could remove the message that tells the user he already got…
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n/a | tcatm | August 05, 2010, 09:09:51 AM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
That's not a real crash this time. It's an assert that fails in the miner. Most…
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n/a | tcatm | August 05, 2010, 09:06:14 AM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Oh thats easy: Get two nodes on a seperate network and connect them using -conne…
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n/a | tcatm | August 04, 2010, 08:43:26 AM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
GDB can also generate coredumps with the command generate-core-file. It might be…
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n/a | tcatm | August 03, 2010, 10:00:49 PM |
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New icon/logo Bitcoin Discussion
I also made an SVG version. It's not as shiny as the original logo, though.
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n/a | tcatm | August 03, 2010, 09:31:56 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Did your kernel write a coredump and if so can you mail me the binary + coredump…
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n/a | tcatm | August 03, 2010, 07:03:07 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
did it crash with a segfault and can you provide a backtrace (gdb bitcoind; run;…
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n/a | tcatm | August 03, 2010, 05:00:35 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
did you run it on 32 bit machines? which version of the patch did you use?
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n/a | tcatm | August 03, 2010, 04:53:54 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
i5 is a different architecture than Core2. Maybe SSE in Core2 is broken and was…
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n/a | tcatm | August 02, 2010, 09:21:50 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Thanks for the object!There are two things I noticed:1) The Intel object runs at…
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n/a | tcatm | August 02, 2010, 08:17:53 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
I've tried the git branch and results stay the same, almost half of what the van…
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n/a | tcatm | August 02, 2010, 07:21:41 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
To use the test program download this file (or generate it yourself from the blo…
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n/a | tcatm | August 02, 2010, 04:07:56 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Patch against SVN. Maybe it'll work now...Code:diff --git a/cryptopp/sha256.cpp…
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n/a | tcatm | July 31, 2010, 07:00:10 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
I'm running on the Intel Q6600 2.4Ghz, how shall I get the file to you?yes. i wi…
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n/a | tcatm | July 31, 2010, 06:37:02 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
What CPUs are you running it on? Could you send me sha256.o (compiled object of…
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n/a | tcatm | July 31, 2010, 05:38:29 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Looks like pastebin.com messes up the patch...Code:diff --git a/cryptopp/sha256.…
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n/a | tcatm | July 31, 2010, 12:40:27 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
the mean client would send all generated bitcoins to a certain address @em3rgent…
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n/a | tcatm | July 31, 2010, 09:18:03 AM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
That's amazing... So are you saying you use 128-bit registers to SIMD four 32-bi…
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n/a | tcatm | July 31, 2010, 05:12:38 AM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Tell me if it works Donations are welcome. 17asVKkzRGTFvvGH9dMGQaHe78xzfvgSSA
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n/a | tcatm | July 30, 2010, 05:00:24 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
Performance of stock code (as measured by my test/benchmark program) is about 15…
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n/a | tcatm | July 30, 2010, 04:47:22 PM |
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4 hashes parallel on SSE2 CPUs for 0.3.6 Development & Technical Discussion
This patch will calculate four hashes on one core using vector instructions. The…
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n/a | tcatm | July 30, 2010, 04:23:10 PM |
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Solution to lost Bitcoins / double spending Bitcoin Discussion
I have found a solution to reclaim "lost" Bitcoins after double spending.Basical…
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n/a | tcatm | July 29, 2010, 03:53:50 PM |
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