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Author Topic: [XPM] [ANN] Primecoin High Performance | HP14 released!  (Read 396683 times)
PoolMinor
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July 15, 2013, 02:32:26 AM
 #321

Should the sievesize be a prime number?

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fabrizziop
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July 15, 2013, 02:37:23 AM
 #322

Finally managed to build it on Ubuntu 13.04 amd64, it gives me around 4500 pps on my FX 8350 Cheesy

Congrats! Grin


Next project; improve HP3???  Wink

In my case it's weird, if I compile with march=native the pps rate is lower.


Remember, PPS isn't an accurate measurement.

http://www.reddit.com/r/primecoin/comments/1iaak8/psa_primes_per_second_just_dropped_carry_on/

After all, I think that the performance is lower with -march=native, it could be related to my AMD processor fake 8 cores. I could still give a try to march=native to try.
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July 15, 2013, 02:52:01 AM
 #323

I'm getting pretty abysmal performance with this build on osx (using the osx makefile). 1player's build seems to be working better on osx while all other machines are better using mikhael's hp3. Any suggestions / optimizations to the osx makefile would be much appreciated.

I'm tempted to VM an ubuntu build and see how that goes but I'd rather run it natively in osx with this high performance build.

That's the route I took - VirtualBox/ubuntu -  been running 4 of my cores at about 3500pps with Mikaelh2 build.  Found 3 blocks but nothing in the last 24 hours
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July 15, 2013, 02:56:03 AM
 #324

I'm getting pretty abysmal performance with this build on osx (using the osx makefile). 1player's build seems to be working better on osx while all other machines are better using mikhael's hp3. Any suggestions / optimizations to the osx makefile would be much appreciated.

I'm tempted to VM an ubuntu build and see how that goes but I'd rather run it natively in osx with this high performance build.

That's the route I took - VirtualBox/ubuntu -  been running 4 of my cores at about 3500pps with Mikaelh2 build.  Found 3 blocks but nothing in the last 24 hours

Well, to be honest his build is probably the best, but I don't have the guts to run a binary made by a new guy at bitcointalk.
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July 15, 2013, 03:24:36 AM
 #325

does any one have a script to start

primcoind --deamon

if it falls over?Huh

if(check/5 mins if on watch process!)
{primcoind --deamon;}


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hiddenvalleyranch
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July 15, 2013, 03:47:58 AM
 #326

I'm getting about the same rate but my CPU is way down like less than 20% most of the time. Anyway to allow it to use full CPU. Win 8 by the way.
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July 15, 2013, 04:21:57 AM
 #327

I heard about the a "hp3" build? Is this in the git repo for mikaelh2?
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July 15, 2013, 04:23:37 AM
 #328

I'm getting about the same rate but my CPU is way down like less than 20% most of the time. Anyway to allow it to use full CPU. Win 8 by the way.

In the console of the primecoin-qt you can enter
Code:
setgenerate true -1
That allows all cores to be used. Do you have a "primecoin.conf" file on that machine?
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July 15, 2013, 04:24:51 AM
 #329

I heard about the a "hp3" build? Is this in the git repo for mikaelh2?

yes: https://github.com/mikaelh2/primecoin
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July 15, 2013, 05:53:55 AM
 #330

I got an exception running it with maybe 12 threads on 4 core i7 2660. Sorry, removed the error message and restarted the primecoin-qt. Will report details if it happens again.

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July 15, 2013, 05:56:29 AM
 #331

I heard about the a "hp3" build? Is this in the git repo for mikaelh2?

yes: https://github.com/mikaelh2/primecoin

thx one other dumb Q. Do I have to do anything to enable hp3 or is it built by default?
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July 15, 2013, 06:10:17 AM
 #332

update
hp3 falls over alot

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96redformula
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July 15, 2013, 06:12:42 AM
 #333

update
hp3 falls over alot

What do you mean falls over?
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July 15, 2013, 06:16:12 AM
 #334

update
hp3 falls over alot

What do you mean falls over?

I'm having the same problem on my two computers; It throws random errors and quits every few hours.  I Have to manually start the program again and start mining.
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July 15, 2013, 06:40:36 AM
 #335

New version is out. It mainly adds a tuning parameter called -sievesize. Use it like this: primecoind -sievesize=2000000

@mikaelh to make sure ... the change of sievesize is not what Sunny was talking about in https://bitcointalk.org/index.php?topic=253662.msg2716964#msg2716964 , right?

I have reduced sievesize from 2.5M to 50000 in several steps and the PSS indeed rises (not linearly). But I hope it's not just an illusion.


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July 15, 2013, 07:42:05 AM
 #336

New version is out. It mainly adds a tuning parameter called -sievesize. Use it like this: primecoind -sievesize=2000000

@mikaelh to make sure ... the change of sievesize is not what Sunny was talking about in https://bitcointalk.org/index.php?topic=253662.msg2716964#msg2716964 , right?

I have reduced sievesize from 2.5M to 50000 in several steps and the PSS indeed rises (not linearly). But I hope it's not just an illusion.


Sieve size isn't directly what Sunny was talking about, but it is related. If you lower the amount of work you perform or the shorten the time you spend working on it before giving up, then you will throw away a lot of potential solutions unnecessarily.

Lowering sieve size to 50,000 will raise PPS but it is an illusion.

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altsay
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July 15, 2013, 08:07:24 AM
 #337

Optimal sievesize might be 1000000, some people discussed on this topic.
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July 15, 2013, 09:27:23 AM
 #338

New version is out. It mainly adds a tuning parameter called -sievesize. Use it like this: primecoind -sievesize=2000000

@mikaelh to make sure ... the change of sievesize is not what Sunny was talking about in https://bitcointalk.org/index.php?topic=253662.msg2716964#msg2716964 , right?

I have reduced sievesize from 2.5M to 50000 in several steps and the PSS indeed rises (not linearly). But I hope it's not just an illusion.


Sieve size isn't directly what Sunny was talking about, but it is related. If you lower the amount of work you perform or the shorten the time you spend working on it before giving up, then you will throw away a lot of potential solutions unnecessarily.

Lowering sieve size to 50,000 will raise PPS but it is an illusion.

Thanks for the explanation and for making the HP client. It's hard to determine where the illusion starts.. all I see is more PPS with lower sievesize.

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July 15, 2013, 09:47:24 AM
 #339

mikaelh is awake and coding  Grin
Latest commit: Precompute two's inverses for all base primes. Idea taken from luke-jr

If you're on linux and compiling from the repo:
Remember folks, if you're doing this, keep your primecoind updated:

Code:
cd ~/primecoin
git pull
cd src
make -f makefile.unix USE_UPNP=-
primecoind stop
sudo mv /usr/local/bin/primecoind /usr/local/bin/primecoind.old
sudo mv primecoind /usr/local/bin/primecoind
primecoind --daemon

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dego
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July 15, 2013, 09:58:25 AM
 #340

compiled and running on Ubuntu 13.04 64bit on a Phenom 1090 hexacore, getting around 4500 - 5000 pps (as before).

What should thelatest changements result in?

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