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Author Topic: [ANN][GAP] Gapcoin - Prime Gap Search - New Math Algo - CPU / GPU - Zero Premine  (Read 243586 times)
pdazzl
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April 16, 2015, 06:58:57 PM
 #1161

No there isnt any asic mining gapcoin. Actually not many are mining the coin right now. And those who do either do not care about the price right now and simply are mining speculating that one day the price will be right or simple they like what the coin is doing, breaking world records.

This coin is not supposed to be that attractive to people who dont care about tech, mathematics or generally bitcoin protocol. Its the community's job to make it attractive.

It would be indeed a good thing to see if j0nn9 is alive and if he is working on something. But generally speaking what do you guys expect from him? To start putting stupid things on the code/title just to make the coin more attractive? He delivered a coin that does what it is supposed to do. Though some bug fixes wouldnt be that bad Cheesy

I personally dont care about the prices. You can simply put 0.01 right now and buy a few thousands. So i am accumulating a bit and also i am mining just to support it.

Finally, what this coin needs is awareness in the mathematics communities. This way you support gapcoin, you are participating in a project that will probably help science and you also spread the word about the bitcoin protocol. So guys, just spread the word. Nothing more. More miners mean more people interested, building stuff, even more awareness and so on...

My thoughts exactly.

Got some recent records for the 8000-9998 length list.  Time to attempt some for the 10000-14998 list, I'm estimating --shift in the high 300's will get there.  The max shift for the coin is 1024 which makes the 15000 and 20000 lists within reasonable reach as well though I think --shift 512 may be the highest allowed in the pool from what I read.

EDIT: Gapcoin.org is broken for the 10000-14998 range, can someone fix again? ---> http://gapcoin.org/primegaps-length.php

Should also have the two new ranges(8000-9998 & 10000-14998) represented once posted on http://www.trnicely.net ---> http://gapcoin.org/primegaps.php

---------------------------------------

Gapcoin will join the 10000-14998 records list with two new gaps, only took 24 hours.

Gap length 10006
https://bchain.info/GAP/block/c5da14c692b06ea5e939476d8b33f8eb3f772a286dd1f8fa2dc80a8c4e17be48

Gap length 10464
https://bchain.info/GAP/block/e64c591490569adab1e01636ec1e2fe684859b27427d48e94129ab3d6f5c5aa2




Thanks to whoever fixed gapcoin.org/primegaps-length.php.  I may attempt a record in the 15000 range in the not too distant future so hopefully it's not too difficult to keep adding lists.
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April 16, 2015, 07:16:34 PM
 #1162

No there isnt any asic mining gapcoin. Actually not many are mining the coin right now. And those who do either do not care about the price right now and simply are mining speculating that one day the price will be right or simple they like what the coin is doing, breaking world records.

This coin is not supposed to be that attractive to people who dont care about tech, mathematics or generally bitcoin protocol. Its the community's job to make it attractive.

It would be indeed a good thing to see if j0nn9 is alive and if he is working on something. But generally speaking what do you guys expect from him? To start putting stupid things on the code/title just to make the coin more attractive? He delivered a coin that does what it is supposed to do. Though some bug fixes wouldnt be that bad Cheesy

I personally dont care about the prices. You can simply put 0.01 right now and buy a few thousands. So i am accumulating a bit and also i am mining just to support it.

Finally, what this coin needs is awareness in the mathematics communities. This way you support gapcoin, you are participating in a project that will probably help science and you also spread the word about the bitcoin protocol. So guys, just spread the word. Nothing more. More miners mean more people interested, building stuff, even more awareness and so on...

My thoughts exactly.

Got some recent records for the 8000-9998 length list.  Time to attempt some for the 10000-14998 list, I'm estimating --shift in the high 300's will get there.  The max shift for the coin is 1024 which makes the 15000 and 20000 lists within reasonable reach as well though I think --shift 512 may be the highest allowed in the pool from what I read.

EDIT: Gapcoin.org is broken for the 10000-14998 range, can someone fix again? ---> http://gapcoin.org/primegaps-length.php

Should also have the two new ranges(8000-9998 & 10000-14998) represented once posted on http://www.trnicely.net ---> http://gapcoin.org/primegaps.php

---------------------------------------

Gapcoin will join the 10000-14998 records list with two new gaps, only took 24 hours.

Gap length 10006
https://bchain.info/GAP/block/c5da14c692b06ea5e939476d8b33f8eb3f772a286dd1f8fa2dc80a8c4e17be48

Gap length 10464
https://bchain.info/GAP/block/e64c591490569adab1e01636ec1e2fe684859b27427d48e94129ab3d6f5c5aa2




Thanks to whoever fixed gapcoin.org/primegaps-length.php.  I may attempt a record in the 15000 range in the not too distant future so hopefully it's not too difficult to keep adding lists.

How do you attempt particular records?
pdazzl
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April 16, 2015, 08:18:10 PM
 #1163

No there isnt any asic mining gapcoin. Actually not many are mining the coin right now. And those who do either do not care about the price right now and simply are mining speculating that one day the price will be right or simple they like what the coin is doing, breaking world records.

This coin is not supposed to be that attractive to people who dont care about tech, mathematics or generally bitcoin protocol. Its the community's job to make it attractive.

It would be indeed a good thing to see if j0nn9 is alive and if he is working on something. But generally speaking what do you guys expect from him? To start putting stupid things on the code/title just to make the coin more attractive? He delivered a coin that does what it is supposed to do. Though some bug fixes wouldnt be that bad Cheesy

I personally dont care about the prices. You can simply put 0.01 right now and buy a few thousands. So i am accumulating a bit and also i am mining just to support it.

Finally, what this coin needs is awareness in the mathematics communities. This way you support gapcoin, you are participating in a project that will probably help science and you also spread the word about the bitcoin protocol. So guys, just spread the word. Nothing more. More miners mean more people interested, building stuff, even more awareness and so on...

My thoughts exactly.

Got some recent records for the 8000-9998 length list.  Time to attempt some for the 10000-14998 list, I'm estimating --shift in the high 300's will get there.  The max shift for the coin is 1024 which makes the 15000 and 20000 lists within reasonable reach as well though I think --shift 512 may be the highest allowed in the pool from what I read.

EDIT: Gapcoin.org is broken for the 10000-14998 range, can someone fix again? ---> http://gapcoin.org/primegaps-length.php

Should also have the two new ranges(8000-9998 & 10000-14998) represented once posted on http://www.trnicely.net ---> http://gapcoin.org/primegaps.php

---------------------------------------

Gapcoin will join the 10000-14998 records list with two new gaps, only took 24 hours.

Gap length 10006
https://bchain.info/GAP/block/c5da14c692b06ea5e939476d8b33f8eb3f772a286dd1f8fa2dc80a8c4e17be48

Gap length 10464
https://bchain.info/GAP/block/e64c591490569adab1e01636ec1e2fe684859b27427d48e94129ab3d6f5c5aa2




Thanks to whoever fixed gapcoin.org/primegaps-length.php.  I may attempt a record in the 15000 range in the not too distant future so hopefully it's not too difficult to keep adding lists.

How do you attempt particular records?

I don't have solid proof this is always true but I seem to have had the best luck on large shift block hits when mining solo at night (during night time the large firepower pool miners don't mine as hard making the rounds longer though I've gotten large shift records on both solo and pool).  

All you do is append --shift (bigger number than default 25).  Example: ./gapminer-cpu -o mine3.gap.nonce-pool.com -p 3385 -u <user.worker> -x <password> --stratum -t 16 --shift 256.  The default sieve and sieve primes have worked fine for me when being speculative with large shifts.  A shift of 256 has gotten me into the 8000-9998 list several times.  Did some calculations and shift 380 & 381 got into the 10000-14998 range which if you solve any block with difficulty 22-23 you have a very good probability of a world record every time with where the records are.  Keep in mind, these higher shifts will severely punish your pps rate since you're looking for larger overall gaps AND all the numbers you're testing are bigger: shift 25 are 85 digit numbers vs shift 256 are 155 digit numbers.....which is why solo mining probably gives you better odds (with a solo target you're putting all your chips in the middle to solve the block, not accumulate shares/coins).

If nscythe or skif (the two powerhouse pool miners) are reading this, they could probably set a couple hundred new world records within a week with these higher shifts if they really wanted to.  Gapcoin taking over more of the record lists I would think could only help it.

EDIT: Just set another record a few minutes ago with length @ 11202 (on block #109634). You can see it was set with shift 391 from the block record -- https://bchain.info/GAP/block/9248f5e0765cd8618f55aea2c3c46270b0304eb14be32a6ae879d9198134cfb9
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April 17, 2015, 08:32:22 PM
 #1164

No there isnt any asic mining gapcoin. Actually not many are mining the coin right now. And those who do either do not care about the price right now and simply are mining speculating that one day the price will be right or simple they like what the coin is doing, breaking world records.

This coin is not supposed to be that attractive to people who dont care about tech, mathematics or generally bitcoin protocol. Its the community's job to make it attractive.

It would be indeed a good thing to see if j0nn9 is alive and if he is working on something. But generally speaking what do you guys expect from him? To start putting stupid things on the code/title just to make the coin more attractive? He delivered a coin that does what it is supposed to do. Though some bug fixes wouldnt be that bad Cheesy

I personally dont care about the prices. You can simply put 0.01 right now and buy a few thousands. So i am accumulating a bit and also i am mining just to support it.

Finally, what this coin needs is awareness in the mathematics communities. This way you support gapcoin, you are participating in a project that will probably help science and you also spread the word about the bitcoin protocol. So guys, just spread the word. Nothing more. More miners mean more people interested, building stuff, even more awareness and so on...

My thoughts exactly.

Got some recent records for the 8000-9998 length list.  Time to attempt some for the 10000-14998 list, I'm estimating --shift in the high 300's will get there.  The max shift for the coin is 1024 which makes the 15000 and 20000 lists within reasonable reach as well though I think --shift 512 may be the highest allowed in the pool from what I read.

EDIT: Gapcoin.org is broken for the 10000-14998 range, can someone fix again? ---> http://gapcoin.org/primegaps-length.php

Should also have the two new ranges(8000-9998 & 10000-14998) represented once posted on http://www.trnicely.net ---> http://gapcoin.org/primegaps.php

---------------------------------------

Gapcoin will join the 10000-14998 records list with two new gaps, only took 24 hours.

Gap length 10006
https://bchain.info/GAP/block/c5da14c692b06ea5e939476d8b33f8eb3f772a286dd1f8fa2dc80a8c4e17be48

Gap length 10464
https://bchain.info/GAP/block/e64c591490569adab1e01636ec1e2fe684859b27427d48e94129ab3d6f5c5aa2




Thanks to whoever fixed gapcoin.org/primegaps-length.php.  I may attempt a record in the 15000 range in the not too distant future so hopefully it's not too difficult to keep adding lists.

How do you attempt particular records?

I don't have solid proof this is always true but I seem to have had the best luck on large shift block hits when mining solo at night (during night time the large firepower pool miners don't mine as hard making the rounds longer though I've gotten large shift records on both solo and pool).  

All you do is append --shift (bigger number than default 25).  Example: ./gapminer-cpu -o mine3.gap.nonce-pool.com -p 3385 -u <user.worker> -x <password> --stratum -t 16 --shift 256.  The default sieve and sieve primes have worked fine for me when being speculative with large shifts.  A shift of 256 has gotten me into the 8000-9998 list several times.  Did some calculations and shift 380 & 381 got into the 10000-14998 range which if you solve any block with difficulty 22-23 you have a very good probability of a world record every time with where the records are.  Keep in mind, these higher shifts will severely punish your pps rate since you're looking for larger overall gaps AND all the numbers you're testing are bigger: shift 25 are 85 digit numbers vs shift 256 are 155 digit numbers.....which is why solo mining probably gives you better odds (with a solo target you're putting all your chips in the middle to solve the block, not accumulate shares/coins).

If nscythe or skif (the two powerhouse pool miners) are reading this, they could probably set a couple hundred new world records within a week with these higher shifts if they really wanted to.  Gapcoin taking over more of the record lists I would think could only help it.

EDIT: Just set another record a few minutes ago with length @ 11202 (on block #109634). You can see it was set with shift 391 from the block record -- https://bchain.info/GAP/block/9248f5e0765cd8618f55aea2c3c46270b0304eb14be32a6ae879d9198134cfb9

Thank you for explaining this to me Smiley I guess the same works for solo mining right? Just adding --shift option on the miner..

Would it be a good idea if someone could create a pool just trying to break records without caring about the pps? I would help a bit too if port 80 was open.
pdazzl
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April 18, 2015, 01:28:11 AM
 #1165

No there isnt any asic mining gapcoin. Actually not many are mining the coin right now. And those who do either do not care about the price right now and simply are mining speculating that one day the price will be right or simple they like what the coin is doing, breaking world records.

This coin is not supposed to be that attractive to people who dont care about tech, mathematics or generally bitcoin protocol. Its the community's job to make it attractive.

It would be indeed a good thing to see if j0nn9 is alive and if he is working on something. But generally speaking what do you guys expect from him? To start putting stupid things on the code/title just to make the coin more attractive? He delivered a coin that does what it is supposed to do. Though some bug fixes wouldnt be that bad Cheesy

I personally dont care about the prices. You can simply put 0.01 right now and buy a few thousands. So i am accumulating a bit and also i am mining just to support it.

Finally, what this coin needs is awareness in the mathematics communities. This way you support gapcoin, you are participating in a project that will probably help science and you also spread the word about the bitcoin protocol. So guys, just spread the word. Nothing more. More miners mean more people interested, building stuff, even more awareness and so on...

My thoughts exactly.

Got some recent records for the 8000-9998 length list.  Time to attempt some for the 10000-14998 list, I'm estimating --shift in the high 300's will get there.  The max shift for the coin is 1024 which makes the 15000 and 20000 lists within reasonable reach as well though I think --shift 512 may be the highest allowed in the pool from what I read.

EDIT: Gapcoin.org is broken for the 10000-14998 range, can someone fix again? ---> http://gapcoin.org/primegaps-length.php

Should also have the two new ranges(8000-9998 & 10000-14998) represented once posted on http://www.trnicely.net ---> http://gapcoin.org/primegaps.php

---------------------------------------

Gapcoin will join the 10000-14998 records list with two new gaps, only took 24 hours.

Gap length 10006
https://bchain.info/GAP/block/c5da14c692b06ea5e939476d8b33f8eb3f772a286dd1f8fa2dc80a8c4e17be48

Gap length 10464
https://bchain.info/GAP/block/e64c591490569adab1e01636ec1e2fe684859b27427d48e94129ab3d6f5c5aa2




Thanks to whoever fixed gapcoin.org/primegaps-length.php.  I may attempt a record in the 15000 range in the not too distant future so hopefully it's not too difficult to keep adding lists.

How do you attempt particular records?

I don't have solid proof this is always true but I seem to have had the best luck on large shift block hits when mining solo at night (during night time the large firepower pool miners don't mine as hard making the rounds longer though I've gotten large shift records on both solo and pool).  

All you do is append --shift (bigger number than default 25).  Example: ./gapminer-cpu -o mine3.gap.nonce-pool.com -p 3385 -u <user.worker> -x <password> --stratum -t 16 --shift 256.  The default sieve and sieve primes have worked fine for me when being speculative with large shifts.  A shift of 256 has gotten me into the 8000-9998 list several times.  Did some calculations and shift 380 & 381 got into the 10000-14998 range which if you solve any block with difficulty 22-23 you have a very good probability of a world record every time with where the records are.  Keep in mind, these higher shifts will severely punish your pps rate since you're looking for larger overall gaps AND all the numbers you're testing are bigger: shift 25 are 85 digit numbers vs shift 256 are 155 digit numbers.....which is why solo mining probably gives you better odds (with a solo target you're putting all your chips in the middle to solve the block, not accumulate shares/coins).

If nscythe or skif (the two powerhouse pool miners) are reading this, they could probably set a couple hundred new world records within a week with these higher shifts if they really wanted to.  Gapcoin taking over more of the record lists I would think could only help it.

EDIT: Just set another record a few minutes ago with length @ 11202 (on block #109634). You can see it was set with shift 391 from the block record -- https://bchain.info/GAP/block/9248f5e0765cd8618f55aea2c3c46270b0304eb14be32a6ae879d9198134cfb9

Thank you for explaining this to me Smiley I guess the same works for solo mining right? Just adding --shift option on the miner..

Would it be a good idea if someone could create a pool just trying to break records without caring about the pps? I would help a bit too if port 80 was open.

Yes, you can change shift on either pool or solo.

I think it's a good idea for a new record setting pool but would probably need a software update for both the pool and client ie: the pool doling out different shifts and somehow gathering useful client work shares to speed up block solving across shifts.  Currently the shift is only set at the client side and I don't believe can be over ridden by the pool currently.  But again I think it's a good idea, plus to get the overall merit world record we're going to need to be searching higher than shift 25 anyways in my opinion.
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April 18, 2015, 02:00:07 PM
 #1166

No there isnt any asic mining gapcoin. Actually not many are mining the coin right now. And those who do either do not care about the price right now and simply are mining speculating that one day the price will be right or simple they like what the coin is doing, breaking world records.

This coin is not supposed to be that attractive to people who dont care about tech, mathematics or generally bitcoin protocol. Its the community's job to make it attractive.

It would be indeed a good thing to see if j0nn9 is alive and if he is working on something. But generally speaking what do you guys expect from him? To start putting stupid things on the code/title just to make the coin more attractive? He delivered a coin that does what it is supposed to do. Though some bug fixes wouldnt be that bad Cheesy

I personally dont care about the prices. You can simply put 0.01 right now and buy a few thousands. So i am accumulating a bit and also i am mining just to support it.

Finally, what this coin needs is awareness in the mathematics communities. This way you support gapcoin, you are participating in a project that will probably help science and you also spread the word about the bitcoin protocol. So guys, just spread the word. Nothing more. More miners mean more people interested, building stuff, even more awareness and so on...

My thoughts exactly.

Got some recent records for the 8000-9998 length list.  Time to attempt some for the 10000-14998 list, I'm estimating --shift in the high 300's will get there.  The max shift for the coin is 1024 which makes the 15000 and 20000 lists within reasonable reach as well though I think --shift 512 may be the highest allowed in the pool from what I read.

EDIT: Gapcoin.org is broken for the 10000-14998 range, can someone fix again? ---> http://gapcoin.org/primegaps-length.php

Should also have the two new ranges(8000-9998 & 10000-14998) represented once posted on http://www.trnicely.net ---> http://gapcoin.org/primegaps.php

---------------------------------------

Gapcoin will join the 10000-14998 records list with two new gaps, only took 24 hours.

Gap length 10006
https://bchain.info/GAP/block/c5da14c692b06ea5e939476d8b33f8eb3f772a286dd1f8fa2dc80a8c4e17be48

Gap length 10464
https://bchain.info/GAP/block/e64c591490569adab1e01636ec1e2fe684859b27427d48e94129ab3d6f5c5aa2




Thanks to whoever fixed gapcoin.org/primegaps-length.php.  I may attempt a record in the 15000 range in the not too distant future so hopefully it's not too difficult to keep adding lists.

How do you attempt particular records?

I don't have solid proof this is always true but I seem to have had the best luck on large shift block hits when mining solo at night (during night time the large firepower pool miners don't mine as hard making the rounds longer though I've gotten large shift records on both solo and pool).  

All you do is append --shift (bigger number than default 25).  Example: ./gapminer-cpu -o mine3.gap.nonce-pool.com -p 3385 -u <user.worker> -x <password> --stratum -t 16 --shift 256.  The default sieve and sieve primes have worked fine for me when being speculative with large shifts.  A shift of 256 has gotten me into the 8000-9998 list several times.  Did some calculations and shift 380 & 381 got into the 10000-14998 range which if you solve any block with difficulty 22-23 you have a very good probability of a world record every time with where the records are.  Keep in mind, these higher shifts will severely punish your pps rate since you're looking for larger overall gaps AND all the numbers you're testing are bigger: shift 25 are 85 digit numbers vs shift 256 are 155 digit numbers.....which is why solo mining probably gives you better odds (with a solo target you're putting all your chips in the middle to solve the block, not accumulate shares/coins).

If nscythe or skif (the two powerhouse pool miners) are reading this, they could probably set a couple hundred new world records within a week with these higher shifts if they really wanted to.  Gapcoin taking over more of the record lists I would think could only help it.

EDIT: Just set another record a few minutes ago with length @ 11202 (on block #109634). You can see it was set with shift 391 from the block record -- https://bchain.info/GAP/block/9248f5e0765cd8618f55aea2c3c46270b0304eb14be32a6ae879d9198134cfb9

Thank you for explaining this to me Smiley I guess the same works for solo mining right? Just adding --shift option on the miner..

Would it be a good idea if someone could create a pool just trying to break records without caring about the pps? I would help a bit too if port 80 was open.

Yes, you can change shift on either pool or solo.

I think it's a good idea for a new record setting pool but would probably need a software update for both the pool and client ie: the pool doling out different shifts and somehow gathering useful client work shares to speed up block solving across shifts.  Currently the shift is only set at the client side and I don't believe can be over ridden by the pool currently.  But again I think it's a good idea, plus to get the overall merit world record we're going to need to be searching higher than shift 25 anyways in my opinion.

I'm testing --shift 400 on the pool.  Assuming it finds some blocks how about anyone interested in world records go --shift 400 on the pool?
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April 18, 2015, 04:38:22 PM
 #1167

If you find me a way to mine on pools port ,by using a proxy? maybe, since i can only use port 80 and 443 i can help. But i am not very good with technical stuff and i dont know how to do that...
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April 20, 2015, 12:43:00 PM
 #1168

If you find me a way to mine on pools port ,by using a proxy? maybe, since i can only use port 80 and 443 i can help. But i am not very good with technical stuff and i dont know how to do that...

How do you mine currently?  This is probably something the pool operator would have to setup or you could figure something out with a proxy.

FYI - gapcoin.org isn't showing a new record of length 9100 though maybe it needs time to refresh
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April 21, 2015, 04:01:19 PM
 #1169

I have a daemon on a VM and i am solo mining on it with the rest of my computers... The problem is that even if i put it mining with some --shift option i wouldnt know if i break any records Tongue 
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April 21, 2015, 08:12:37 PM
 #1170

I have a daemon on a VM and i am solo mining on it with the rest of my computers... The problem is that even if i put it mining with some --shift option i wouldnt know if i break any records Tongue  

If you see your wallet go up, you can use your most recent wallet transaction numbers to find which block(s) you solved by searching on https://bchain.info/GAP/

Once you've found your solved block# on bchain.info/GAP it'll list the shift used along with gap length and merit score.

Then check Nicely's site under "Tables of first known occurrence prime gaps" to see if you have a higher merit score than the current world record of that length - http://www.trnicely.net/

A new gap record should also end up appearing on gapcoin.org

I've been running my two machines in shift 380 & 381 off and on and they've gotten some hits; just a suggestion if you're going for records might want to space all your machines out on different high shifts.  Btw how much pps horsepower do you have?  On default shift solo mining I'm around 1.4M pps.
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April 21, 2015, 09:50:01 PM
 #1171

Hi there,

It's nice to see that some of you using higher shifts to find new records.

Im currently working on new version of the Miner wich should speed up
mining with higher shift by using the Chinese Reminder Theorem (CRT).

I tried long to improve mining by using the CRT,
but couldn't find a solution with gives a real speed improve.
The thing is, to improve the mining speed with the CRT you have to use
an higher shift, as higher the shift as bigger the improvement you make by using the CRT.
But with higher shift the mining speed also decreases, so that you make
no big improvement at all.

But if you targeting higher shifts anyway, than the CRT could make a difference!
I'm currently testing my implementation within testnet,
but It will still probably take some time till it's ready.
Just wanted to let you know, that I'm working on something.

I also want to thank you all for the great support from all of you!



FYI - gapcoin.org isn't showing a new record of length 9100 though maybe it needs time to refresh

The website now parses all gaps from http://www.trnicely.net/ till 20k, which is currently
not very efficient implemented, so I set the refresh interval to 4 hours,
once the new miner is finished, I'll take care of it.

Gapcoin - The largest, decentralized prime gap search
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April 22, 2015, 10:41:17 AM
 #1172

Hi there,

It's nice to see that some of you using higher shifts to find new records.

Im currently working on new version of the Miner wich should speed up
mining with higher shift by using the Chinese Reminder Theorem (CRT).

I tried long to improve mining by using the CRT,
but couldn't find a solution with gives a real speed improve.
The thing is, to improve the mining speed with the CRT you have to use
an higher shift, as higher the shift as bigger the improvement you make by using the CRT.
But with higher shift the mining speed also decreases, so that you make
no big improvement at all.

But if you targeting higher shifts anyway, than the CRT could make a difference!
I'm currently testing my implementation within testnet,
but It will still probably take some time till it's ready.
Just wanted to let you know, that I'm working on something.

I also want to thank you all for the great support from all of you!



FYI - gapcoin.org isn't showing a new record of length 9100 though maybe it needs time to refresh

The website now parses all gaps from http://www.trnicely.net/ till 20k, which is currently
not very efficient implemented, so I set the refresh interval to 4 hours,
once the new miner is finished, I'll take care of it.

Wow, he is not dead.
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April 22, 2015, 04:25:01 PM
 #1173

But if you targeting higher shifts anyway, than the CRT could make a difference!
I'm currently testing my implementation within testnet,
but It will still probably take some time till it's ready.
Just wanted to let you know, that I'm working on something.

I also want to thank you all for the great support from all of you!

Thanks, will be great to see CRT improvements.  Will using default --sieve-primes and --sieve-size still be what to use on larger shifts with the new miner?


The website now parses all gaps from http://www.trnicely.net/ till 20k, which is currently
not very efficient implemented, so I set the refresh interval to 4 hours,
once the new miner is finished, I'll take care of it.

Noticed the new records list on gapcoin.org now includes the shift used, definitely makes it easier to search whether or not you set a record after the fact.
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April 22, 2015, 04:57:32 PM
 #1174


I've been running my two machines in shift 380 & 381 off and on and they've gotten some hits; just a suggestion if you're going for records might want to space all your machines out on different high shifts.  Btw how much pps horsepower do you have?  On default shift solo mining I'm around 1.4M pps.

I have a peak hashrate of around 12M pps at shift 381 currently. I started mining again like 17 hours ago. Generally i mining either monero or gapcoin. I think i will let it at gapcoin for a few days. Its a bit difficult to mine on different shifts mostly because i dont understand what shift does mathematically speaking. I mean, forgive my ignorance, but what happens when a new record is found with shift 381? Can a new one be found but it is even more difficult? I could write a script to change shifts every few hours or every day or something. But i am not sure if all shifts are logical to mine on. So many questions...Like what shift means exactly. Should i 'scan mine' a range of shifts every few hours? I noticed a mined many blocks over the night with shift 381 thought...



j0nn9, nice to see that you are still working on the coin Smiley
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April 22, 2015, 06:37:40 PM
 #1175


I've been running my two machines in shift 380 & 381 off and on and they've gotten some hits; just a suggestion if you're going for records might want to space all your machines out on different high shifts.  Btw how much pps horsepower do you have?  On default shift solo mining I'm around 1.4M pps.

I have a peak hashrate of around 12M pps at shift 381 currently. I started mining again like 17 hours ago. Generally i mining either monero or gapcoin. I think i will let it at gapcoin for a few days. Its a bit difficult to mine on different shifts mostly because i dont understand what shift does mathematically speaking. I mean, forgive my ignorance, but what happens when a new record is found with shift 381? Can a new one be found but it is even more difficult? I could write a script to change shifts every few hours or every day or something. But i am not sure if all shifts are logical to mine on. So many questions...Like what shift means exactly. Should i 'scan mine' a range of shifts every few hours? I noticed a mined many blocks over the night with shift 381 thought...



j0nn9, nice to see that you are still working on the coin Smiley

All shift does is affect the size of the numbers you are searching.  Larger shifts means bigger raw numbers you are scanning/testing and subsequently larger gaps are found in larger number ranges (though you need larger overall gap lengths to get equivalent merit scores to solve the block compared to smaller number ranges).

A block solution is calculated by sha256(Blockheader) * 2^shift + adder.  During a particular round, the miner is searching through all the "adder" possibilities to find a gap.

An example of what shift does using solved block #113196 - https://bchain.info/GAP/block/d6173fb8d38ec64dabb92d9af96290e68d02c3494f758d7274931fecb4c60490
-------------------
256 bit hash = 96836026872238572127838827186667600687197793668933440162407221099313404183696 (Hash is stored in hexadecimal format of d6173fb8d38ec64dabb92d9af96290e68d02c3494f758d7274931fecb4c60490)
Shift = 32
Adder = 739033261

Solution is (96836026872238572127838827186667600687197793668933440162407221099313404183696)*(2^32)+739033261
That's the first prime before the gap of length 5034 begins.  The last prime that ends the gap would be of course plus 5034 to the solution above.

The number above is 87 digits number long, 13 digits away from a google.  Theoretically if the shift was instead 381 then the resultant number would 192 digits.

It's up to you how you do the shifts, I personally think a wider dragnet (different simultaneous shifts on different machines) will yield more solutions.  Also different shifts seem like they have better yields in my observation but I don't have concrete proof of that.
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April 24, 2015, 08:17:44 PM
 #1176

I tried mining some with some shifts on the range around 380 but miners gave me 'illegal instruction core dump' error.

I then noticed that it gives me that error for every shift bigger than 192. So i put my miners running with shift 187-192. Lets see what happens.

It seems to work. Any reason why i get this error? Can my binaries be the problem?

My PPS is halved btw.
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April 24, 2015, 08:33:29 PM
 #1177

I don't want to be any gap between me and GAP... Wink

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April 24, 2015, 09:25:17 PM
 #1178

I tried mining some with some shifts on the range around 380 but miners gave me 'illegal instruction core dump' error.

I then noticed that it gives me that error for every shift bigger than 192. So i put my miners running with shift 187-192. Lets see what happens.

It seems to work. Any reason why i get this error? Can my binaries be the problem?

My PPS is halved btw.

Looks like you've found a world record already on a shift 192--length 7546

https://bchain.info/GAP/block/8af4723fc2e9b9f460455ab09d38dcc9649d9a06e2927783a0e89c6efd522075
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April 24, 2015, 09:46:18 PM
 #1179

I tried mining some with some shifts on the range around 380 but miners gave me 'illegal instruction core dump' error.

I then noticed that it gives me that error for every shift bigger than 192. So i put my miners running with shift 187-192. Lets see what happens.

It seems to work. Any reason why i get this error? Can my binaries be the problem?

My PPS is halved btw.

Yes that's probably the binary, or some library. With what hardware, system and binary do you mine?

Thanks, will be great to see CRT improvements.  Will using default --sieve-primes and --sieve-size still be what to use on larger shifts with the new miner?

Currently I'm testing with the default values, but they're probably not suitable for any shift value.

Gapcoin - The largest, decentralized prime gap search
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April 24, 2015, 11:14:22 PM
 #1180

I tried mining some with some shifts on the range around 380 but miners gave me 'illegal instruction core dump' error.

I then noticed that it gives me that error for every shift bigger than 192. So i put my miners running with shift 187-192. Lets see what happens.

It seems to work. Any reason why i get this error? Can my binaries be the problem?

My PPS is halved btw.

Looks like you've found a world record already on a shift 192--length 7546

https://bchain.info/GAP/block/8af4723fc2e9b9f460455ab09d38dcc9649d9a06e2927783a0e89c6efd522075

Yep i checked and i think its mine Smiley Hurray!


j0nn9, pdazzl

I have a few VMs with AMD processors. I think i have plenty of memory and thats not the problem. Running Ubuntu 14.04.  Unfortunately i cant install dependencies so i can only use binaries. Now since i am quite noob on those things, i know just the basics, when i made some binaries from the source  on my personal computer i couldnt run it on my VMs because of missing dependencies. See, i dont really know how to build nice static binaries (damn i am not sure if those are called like this, i am just a physics guy Tongue ) So i got permissions to install dependencies on one of my VMs once and somehow i built a binary that managed to work on the other VMs. The binary was like 15% slower but it did the job.

So what i think i need is a guide to show me how to static build gapminer...


Btw, i was thinking about an idea that probably will bring more people aboard. I am not sure if it can be done or maybe if it is bad so i am just writing it here for discussion. Is it possible to automatically know who (if he wants ofc) is mining the world record blocks so that we can list the records like this: Gapcoin[Username]
You know, the idea is that you are mining gaps for the coins, for science and for a position on the 'leaderboards'...
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