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Author Topic: [ANN][GAP] Gapcoin - Prime Gap Search - New Math Algo - CPU / GPU - Zero Premine  (Read 286904 times)
PrimeObsession
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January 26, 2023, 06:22:37 PM
 #2461


https://chainz.cryptoid.info/gap/#

Hosting for this blockchain has expired since...  2023-01-26
minerja
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February 23, 2023, 10:03:44 AM
 #2462

Hi there,

I've tried this a few times now on mint and ubuntu (various versons18,20,22 etc) and never got it working.
If any one can help me get this working i'd love to give it a try.
I'm pretty dumb, so a full step by step guide is needed...

Thanks
J

It transpires that j0nn9 left us “an exercise for the reader” in the GapMiner rev5.1 code, just here:
https://github.com/gapcoin/GapMiner/blob/2f66e908e52dab503de77835f31ac1603b1c23fc/src/HybridSieve.cpp#L398

Code:
sieve_t min_len     = log_str(mpz_get_d(mpz_start)) * d_difficulty;

should read

Code:
sieve_t min_len     = log(mpz_get_d(mpz_start)) * d_difficulty;

The difference was causing GPU builds of the GapMiner rev 5.1 to segfault (on both AMD and nVidia).

I fixed that (along with some other compilation-blockers) and re-worked the Makefile so that it can be used to create either CPU or GPU miners (AMD and nVidia) without having to be edited to do so.

I've cloned gapcoin-project's GapMiner repos here https://github.com/gjhiggins/GapMiner, check out the README for details of how to compile gapminer and gpugapminer on Linux. When I'm satisfied that it works for people, I'll raise a PR on the gapcoin-project GapMiner repos and update that.

Thanks to benxy031 for providing that nVidia-compatible fermat.cl code, I've included it in the gpu subdirectory as fermatnv.cl and adjusted the miner code to load whichever OpenCL source file is compatible with the detected platform.

Cheers

Graham

gjhiggins
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March 03, 2023, 04:19:03 AM
 #2463

I've tried this a few times now on mint and ubuntu (various versons18,20,22 etc) and never got it working.
If any one can help me get this working i'd love to give it a try.
What problem are you experiencing? Are you not getting a successful compilation? Does it compile okay but won't run? Does it run but can't connect to client?

Cheers

Graham
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March 03, 2023, 01:06:24 PM
Merited by benxy031 (6)
 #2464


https://chainz.cryptoid.info/gap/#

Hosting for this blockchain has expired since...  2023-01-26

Renewed 03-03-2023

wizz13150
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July 09, 2023, 05:24:39 PM
Last edit: July 09, 2023, 08:49:29 PM by wizz13150
 #2465

Hey,

sorry for the delay.

The Gapcoin is definitely CPU friendly.
Mining from the wallet is a good way to get the best hashrate. A 3900x cpu will give you ~3M PPS (mining at shift 25-32). A rx580 gpu will give you ~1.6M PPS (mining at shift 64). It's all an 'efficience' question.
If you're more interested with the Maths behind and the CRT miner (shift 64-1024), feel free to come on Discord ! ((:
I'll give you more information about the different ways to mine the Gapcoin, and the related places, with pleasure.

https://discord.gg/guwJnCEMxq

Also see the Website made by Mr. Higgins :

https://gapcoin-project.github.io/

Cheers !

Wizz_^
DaCryptoRaccoon
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July 26, 2023, 01:03:55 PM
Merited by nutildah (2)
 #2466

Where had BitcoinFX gone?

Vanished again?  Wink

Keep Gappin lads.

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┃ ███▓▓  ███▓▓  ███▓▓  ███▓▓┃
cryptomaxsun
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January 11, 2024, 08:20:36 PM
 #2467

no synchronization, no peers.

❘|❘ Cлaвa Укpaинe! ❘|❘ Glory to Ukraine! ❘|❘
❘|❘ КaPФaгeн дoлжeн быть paзpyшeн ❘|❘
minerja
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January 12, 2024, 10:19:19 AM
 #2468

no synchronization, no peers.

Here you go

10:16:54 getpeerinfo
10:16:54[
{
"addr" : "5.9.193.21:31469",
"services" : "00000001",
"lastsend" : 1705054603,
"lastrecv" : 1705054605,
"bytessent" : 31980,
"bytesrecv" : 237771,
"conntime" : 1705054589,
"pingtime" : 0.00000000,
"version" : 70002,
"subver" : "/Satoshi:0.9.4/",
"inbound" : false,
"startingheight" : 1996766,
"banscore" : 0,
"syncnode" : true
}
]

Fri Jan 12 10:17:28 2024 - 1996769

BayAreaCoins
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February 06, 2024, 10:42:23 PM
Merited by wizz13150 (1)
 #2469

It appears Gapcoin was delisted on https://chainz.cryptoid.info/.  Is there anywhere else to reference a Gapcoin explorer?

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sparkster
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March 18, 2024, 11:10:05 PM
 #2470

It's sad that such great project is dying. Interesting combination of distributed computing and cryptocurrency. Useful (in some sense) PoW. At least Riecoin still is slightly more alive. And I guess the owner of only existing exchange is some sort of fan of both these math coins, because they are both are still listed here. What a great exchange.

I cannot help GAP in any way. Maybe I can buy some, but without any interest in crypto community, without any update of software, without blockchain explorer, it's all pretty useless. If only some great mind would find this project to support it with some work just for sake of it. Maybe some GAP whale, lol.

Also it seems that 'math guys' for some strange reason are mostly anti-crypto in general, so there is not enough interest from this side. There are some forums about gap merits, but it seems they are not very interested in Gapcoin.

I hope somebody knows how to actually extract data about PoW calculations of network. The difficulty is very low, but amount of time == amount of PoW eventually, and this network is very old, so maybe some new records was hit during such long time? According to Wikipedia, we still have a world record, from year of 2017. At least this is one great thing.
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