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Author Topic: [ANN][RIC] Riecoin: constellations POW *CPU* HARD FORK successful, world record  (Read 642220 times)
fairglu
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August 05, 2015, 09:41:02 AM
 #3861

Download zip for the prime constellations updated as well to include the first 300k

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August 05, 2015, 05:47:39 PM
 #3862

What happened?? Payments by ypool still off  Cry
Nobody received RIC today?
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August 06, 2015, 06:27:22 AM
 #3863

What happened?? Payments by ypool still off  Cry
Nobody received RIC today?

Did not either, a payout showed up in their log yesterday, but with an invalid txid (just zeroes).

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August 06, 2015, 03:38:57 PM
 #3864

Notice posted on ypool site

Quote
Riecoin payouts are currently disabled while we are fixing some issues. Mining is unaffected and payouts should be back within 24 hours. We will reimburse any lost RIC transactions.

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August 11, 2015, 07:27:54 AM
 #3865

New current RieCoin record was in block 289872 in early July, with 679 digits!

However it's not enough for a new World Record, as the bar was raised to 700 digits in January

Actually, I have raised the bar even further, 751 digits on the 8th of August:

http://anthony.d.forbes.googlepages.com/ktuplets.htm

To beat this with the present fork of Riecoin, you need a superblock with difficulty around 2495, corresponding to a general difficulty of 1706 or above. (Apparently, the superblock difficulty is about 1.462 times the normal difficulty.)

It has been a year or so since the difficulty was in the 1700s but both difficulty and exchange rate made some interesting jumps in June and July this year, so who knows…

But I have to admit, considering that the record 6-tuplet a year ago was 593 digits, the Riecoin Hall of Fame is really impressive!

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August 12, 2015, 09:39:40 AM
 #3866

Actually, I have raised the bar even further, 751 digits on the 8th of August:

Well done!

What kind of computer power did that take?

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August 12, 2015, 08:19:13 PM
 #3867

Well done!

What kind of computer power did that take?

Thanks for the kind words, fairglu!

7 out of 8 cores of an AMD FX8350 running at normal speed (4 GHz)
The process took around 1920 hours, from May 14th to August 2nd

(When I did 700 in January, I had a stroke of luck and found a solution in under three days!)

Now, if you had 1920 such systems and somehow forced the superblock difficulty to 2500, how many hours would it take to find one 752 digit 6-tuplet?
Just a thought...

regards,
Vidar
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August 14, 2015, 07:06:33 AM
 #3868

7 out of 8 cores of an AMD FX8350 running at normal speed (4 GHz)
The process took around 1920 hours, from May 14th to August 2nd
Wow, that's dedication!

Now, if you had 1920 such systems and somehow forced the superblock difficulty to 2500, how many hours would it take to find one 752 digit 6-tuplet?
Just a thought...

Hmm, cannot be tested without another fork on RIC or miner uptick, but... how efficient is the software you used vs a RIC miner? (yes, probably hard to gauge)


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August 15, 2015, 03:58:12 PM
 #3869

Wow, that's dedication!
The only dedication necessary is pressing Enter – and wait - and make sure you have enough spare machines to do other important things in the meantime.

I am still using basically the same setup as with the previous records – a stripped version of dga’s B14 Riecoin miner. I estimate this system to be between 4 and 8 % faster than the B14 since I am only looking for 6-tuplets and abandon further primality tests as soon as I meet the first non-prime.

I was never able to tame the B15s and the B16s into the Microsoft Visual Studio harness, discouraged by several hundred compile time challenges. (The B14 only gave me about a dozen)

My present tuplet searcher is probably just on par and maybe even a bit slower than the B16 miners (which I believe are the current best ones?)

I just had a quick look at the block times for the Hall of Fame:

superblock       datetime                   prev block datetime          block time           diff           digits
289872          03.07.2015 23:24          03.07.2015 21:32          01:51:32          2256.00          679
281808          19.06.2015 17:09          19.06.2015 16:26          00:42:27          2232.00          672
293904          10.07.2015 23:16          10.07.2015 23:02          00:13:42          2211.00          666
285840          26.06.2015 21:17          26.06.2015 21:16          00:00:50          2196.00          661
306000          01.08.2015 16:02          01.08.2015 15:30          00:31:11          2195.00          661
297936          18.07.2015 10:45          18.07.2015 10:17          00:27:56          2183.00          657
310032          08.08.2015 19:25          08.08.2015 18:10          01:14:27          2176.00          655
164880          24.11.2014 20:28          24.11.2014 16:13          04:14:39          2173.00          654
301968          25.07.2015 13:33          25.07.2015 13:12          00:20:45          2169.00          653
201168          27.01.2015 04:07          27.01.2015 02:40          01:26:12          2154.00          649

They average just above one hour (notice the 26 June entry, less than one minute!)

Using gatra’s formula from almost a year back: to estimate time for a block of a certain difficulty based on numbers from another diff:

T1/T2 = (Diff1/Diff2)^9

Based on the superblock entries above: Working at diff 2500 rather than 2200: ~3 times longer time or just over 3 hours on average.
Based on the present regular blocks: Working at diff 2500 rather than 1500: ~100 times longer time, just over 100*2,5 minutes  or around 4 hours.

Looking at the spread in the Hall of Fame, you would expect some of the possible 2500 superblocks to be solved in half an hour, but you could also expect some well over 10 hours. It could be done, or…? Also, back in June 2014 with a difficulty of 1700+ and well over 20k workers at ypool, an 800 digit (diff 2656) world record would be well within reach.

I don’t really know why I am encouraging this strange mining brotherhood *) to break my records – it is probably because I was a member myself from the very beginning – and occasionally still am.

Regards,

Vidar

*) and sisterhood – apologies to Cinnamon!


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August 15, 2015, 05:27:48 PM
 #3870

lol
i may be the only sister !!

Check out my coin Photon
Merge Mine 5 other Blake 256 coins - 6x your hash power  https://www.blakecoin.org/

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September 10, 2015, 09:10:06 AM
 #3871

Any recent news on this coin? Would like it to succeed. Still is the only cpu only coin right?

CRYPTSY exchange: https://www.cryptsy.com/users/register?refid=9017 BURST= BURST-TE3W-CFGH-7343-6VM6R BTC=1CNsqGUR9YJNrhydQZnUPbaDv6h4uaYCHv ETH=0x144bc9fe471d3c71d8e09d58060d78661b1d4f32 SHF=0x13a0a2cb0d55eca975cf2d97015f7d580ce52d85 EXP=0xd71921dca837e415a58ca0d6dd2223cc84e0ea2f SC=6bdf9d12a983fed6723abad91a39be4f95d227f9bdb0490de3b8e5d45357f63d564638b1bd71 CLAMS=xGVTdM9EJpNBCYAjHFVxuZGcqvoL22nP6f SOIL=0x8b5c989bc931c0769a50ecaf9ffe490c67cb5911
fairglu
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September 10, 2015, 03:20:56 PM
 #3872

Any chance of the ARM miner working on upcoming online.net ARM-based dedicated servers?
(http://labs.online.net/try-it)

Pricing have not been announced yet, but since they intend to compete with VPS clouds, I assume it'll be cheap.

Sorry for the numerous disjointed threads in my reply...

I didn't know about them (well know of Iliad from their T-mobile bid)!  I've been expecting a few ARM based VPS' to pop up, but I was expecting them to be ARMv8 based with a XEN/KVM virtualization layer over the top.

My guess is they will be using the low power to ensure good margins while undercutting linode/AWS/DO/rackspace prices esp when you price up a 4 CPU 2GB VPS.  I guess I am saying I don't expect them to be ultra cheap. 

With a quick look, 1.2GHz CPU and a small-ish L2 cache compared to what a phone SoC board would have (which will hurt).  It has NEON and unexpectedly it looks like if might have hardware integer division.  I don't have time right now aside from a quick look at the hardware, but I doubt my code will be cost effective to run.

As an aside, I did a quick and dirty port of my code over to x86.  My sieve code on ARM is significantly faster than the "place holder" C version I knocked up even if you factor in bigger cache, memory and clock speed.  Ignoring the sieve, the biggest (unexpected) difference is in the binary exponentiation (Fermat test);  GMP on ARM is abysmal in comparison (I mean REALLY bad, which also explains why I need/use a big sieve).

Regards,

--
bsunau7

FWIW they recently announced a price reduction so I gave it a spin: not a single share found in 24h, hehe...

Disk access was SSD class, but compiling the miner took a long time as well, so the CPU is indeed quite puny Smiley

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September 10, 2015, 09:52:18 PM
 #3873

Any recent news on this coin? Would like it to succeed. Still is the only cpu only coin right?

Nope, magi coin (XMG) is also cpu only and way better in every prospective.
Simba84
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September 11, 2015, 08:23:43 AM
 #3874

Anyone have problems with yPool?? The connection and log in to the server are very slow!  Shocked
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September 11, 2015, 12:57:10 PM
 #3875

Any recent news on this coin? Would like it to succeed. Still is the only cpu only coin right?

Nope, magi coin (XMG) is also cpu only and way better in every prospective.

XMG is quite nice, but Riecoin is also a nice CPU coin for sure.
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September 12, 2015, 10:40:23 AM
 #3876

Anyone have problems with yPool?? The connection and log in to the server are very slow!
Today it's near impossible to connect!!!
fairglu
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September 14, 2015, 08:48:10 AM
 #3877

Anyone have problems with yPool?? The connection and log in to the server are very slow!
Today it's near impossible to connect!!!

Looks okay from here now, though my default DNS had trouble this morning, and I had to switch to Google DNS (https://developers.google.com/speed/public-dns/docs/using?hl=en)

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September 14, 2015, 01:02:55 PM
 #3878

ypool seems fine, but deposits and withdrawals have been disabled at poloniex for a few days now.
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September 17, 2015, 08:19:30 PM
 #3879

ypool seems fine, but deposits and withdrawals have been disabled at poloniex for a few days now.

bs!

Poloniex works great. So does btc38.


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cinnamon_carter
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September 17, 2015, 11:00:57 PM
 #3880

i see no issues either
ypool seems fine, but deposits and withdrawals have been disabled at poloniex for a few days now.

bs!

Poloniex works great. So does btc38.

Check out my coin Photon
Merge Mine 5 other Blake 256 coins - 6x your hash power  https://www.blakecoin.org/

The obvious choice is not always the best choice.

LOOK DEEPER - Look into the Blake 256 Family -- CC
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