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Author Topic: Vanitygen: Vanity bitcoin address generator/miner [v0.22]  (Read 808194 times)
salfter
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June 09, 2013, 12:37:12 AM
 #1281

Code:
./oclvanitygen -D 0:0 -S -X48 L

Didn't make any difference...still grinds away forever without finding any keys.

I think your device flag is wrong. Also, I'm assuming you don't have more than one GPU because of your flag structure. Try:

Code:
./oclvanitygen -d 0 -S -X48 L(prefix)

The capital D might be why it doesn't identify your GPU.

It works fine for finding Bitcoin keys when I invoke it like this:

Code:
./oclvanitygen -D 0:0 -S 1

I have only one GPU, but note that the CPU is available as an OpenCL device as well (-D 0:1).  Not that you'd use oclvanitygen with your CPU as vanitygen is faster, but you could.

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salfter
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June 09, 2013, 01:05:50 AM
 #1282

or just dont specify -d 0 at all Wink

I do believe that it is necessary... I get an error if I don't
Code:
~/git/bitcoin-vanitygen$ ./oclvanitygen -X 48 LNoobs
Difficulty: 264104224
Pattern: LNoobs                                                                
Address: LNoobsbG3rDntp8rc86F368SoPVHkW9z8P
Privkey: 6uB3J78ffBB7Uz22y8VH42awwRKiUiX7eqqqS1KkcauWa1qyLjg

j/k

...and for me, it just runs forever. Just tried it again with a 7750, then with a 6870 and even a Core 2 Duo E8400. What card and ATI driver version are you using? Leaving out the device-selection option causes it to exit with a list of available devices.

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June 09, 2013, 01:40:34 AM
 #1283

or just dont specify -d 0 at all Wink

I do believe that it is necessary... I get an error if I don't
Code:
~/git/bitcoin-vanitygen$ ./oclvanitygen -X 48 LNoobs
Difficulty: 264104224
Pattern: LNoobs                                                                
Address: LNoobsbG3rDntp8rc86F368SoPVHkW9z8P
Privkey: 6uB3J78ffBB7Uz22y8VH42awwRKiUiX7eqqqS1KkcauWa1qyLjg

j/k

...and for me, it just runs forever. Just tried it again with a 7750, then with a 6870 and even a Core 2 Duo E8400. What card and ATI driver version are you using? Leaving out the device-selection option causes it to exit with a list of available devices.

no ATI, a GTX580

does it spit out "Difficulty: *" or not?

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salfter
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June 09, 2013, 04:15:21 PM
 #1284

...and for me, it just runs forever. Just tried it again with a 7750, then with a 6870 and even a Core 2 Duo E8400. What card and ATI driver version are you using? Leaving out the device-selection option causes it to exit with a list of available devices.

no ATI, a GTX580

does it spit out "Difficulty: *" or not?

It does.

I think I've figured out what's happening: oclvanitygen will only find keys wirh vanity addresses for non-Bitcoin address types.  These commands work:

Code:
./oclvanitygen -D 0:0 -S 1
./oclvanitygen -D 0:0 -S -X 48 Lfoo

This doesn't:

Code:
./oclvanitygen -D 0:0 -S -X 48 L

The degenerate case where you just want an address appears to only work for Bitcoin.

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June 09, 2013, 04:29:10 PM
 #1285

...and for me, it just runs forever. Just tried it again with a 7750, then with a 6870 and even a Core 2 Duo E8400. What card and ATI driver version are you using? Leaving out the device-selection option causes it to exit with a list of available devices.

no ATI, a GTX580

does it spit out "Difficulty: *" or not?

It does.

I think I've figured out what's happening: oclvanitygen will only find keys wirh vanity addresses for non-Bitcoin address types.  These commands work:

Code:
./oclvanitygen -D 0:0 -S 1
./oclvanitygen -D 0:0 -S -X 48 Lfoo

This doesn't:

Code:
./oclvanitygen -D 0:0 -S -X 48 L

The degenerate case where you just want an address appears to only work for Bitcoin.
try with an older ATI SDK?

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June 10, 2013, 11:30:24 PM
 #1286

The degenerate case where you just want an address appears to only work for Bitcoin.

Not just the degenerate case, but certain prefixes.  I can't generate Li (hashes a long time when it should easily find it), but I can do LiG easily.  For some reason Lig says the prefix is not possible, but it should be, right? Edit: deepceleron explained this.

The problem exists in revision 75246451d38140261f5318c258e53e4db7875607 when the -X flag was added to oclvanitygen, so maybe it was never really working.

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June 11, 2013, 08:04:40 AM
 #1287

The degenerate case where you just want an address appears to only work for Bitcoin.

but certain prefixes.  I can't generate Li (hashes a long time when it should easily find it), but I can do LiG easily.  For some reason Lig says the prefix is not possible, but it should be, right?


See:
(lightcoin) Valid addresses are in the range: LKDxGDJ-LiZZFKc7

Base58 ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"

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June 12, 2013, 09:22:31 AM
 #1288

Just posting this for anyone who is interested.

I get 26 Mkey/s with a GTX 680. Was quite easy to get running, only launched CMD and "oclvanitygen.exe 1Brutus".

Found my "1Brutus" address in 6min Cheesy.
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June 13, 2013, 12:52:02 AM
 #1289

See:
(lightcoin) Valid addresses are in the range: LKDxGDJ-LiZZFKc7

Base58 ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"

Aha, you're right, thanks.  If anyone's curious, I verified these on brainwallet.org with hex strings 30000000000000000000000000000000000000000000000000 and 30ffffffffffffffffffffffffffffffffffffffffffffffff which are the lower and upper bounds of a litecoin pubkeyhash (1 network byte = 0x30, 20 bytes of hash, 4 bytes of checksum).

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June 15, 2013, 04:42:44 PM
 #1290

When I use vanitygen it says "error loading calc_address.cl"
Does anyone know the solution to this problem?

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June 15, 2013, 05:03:03 PM
 #1291

When I use vanitygen it says "error loading calc_address.cl"
Does anyone know the solution to this problem?
cd first to the directory where vanitiygen is Wink

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June 15, 2013, 06:17:00 PM
 #1292

When I use vanitygen it says "error loading calc_address.cl"
Does anyone know the solution to this problem?
cd first to the directory where vanitiygen is Wink

cd? Sorry, I'm a noob...
 Sad

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June 15, 2013, 06:36:23 PM
 #1293

When I use vanitygen it says "error loading calc_address.cl"
Does anyone know the solution to this problem?
cd first to the directory where vanitiygen is Wink

cd? Sorry, I'm a noob...
 Sad
i guess winblows user Tongue
put calc_address.cl in the same folder as oclvanitygen.exe

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June 15, 2013, 07:46:13 PM
 #1294

I never got oclvanitygen to work on my GPU (only CPU which gets 750kkeys/s) so I read here that I should downgrade to AMD Catalyst 12.8.
So I did that, but still oclvanitygen does not work on my GPU:

Code:
Compiling kernel, can take minutes...LLVM ERROR: Cannot select: 0x549e808: i8 = ...

Anyone knows how to fix this?

I was getting a similar error from my 7750 when I was running it with 13.1.  It works fine with 12.10, though.  I'd give that version a shot.

Is this is a bug in OpenCL?  Has it been reported to AMD?
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June 16, 2013, 10:22:32 PM
 #1295

Prefix must be at the end :-(

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June 16, 2013, 10:24:59 PM
 #1296

vanitygen.exe -o file.txt 1s

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June 16, 2013, 11:29:09 PM
 #1297

I think it's -k mister just found it
Lay off the weed bro ;-)

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June 17, 2013, 05:20:07 AM
 #1298

There should be a list of the major altcoins and their corresponding prefixes in the OP.

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June 17, 2013, 02:31:33 PM
 #1299

Make a new thread Vanitygen Prefixes and esamples

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June 17, 2013, 04:02:02 PM
 #1300

Make a new thread Vanitygen Prefixes and esamples
There should be a list of the major altcoins and their corresponding prefixes in the OP.

https://bitcointalk.org/index.php?topic=225680.0/

My business thread has them all. Just scroll down.

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