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Author Topic: [XPM] [ANN] Primecoin High Performance | HP14 released!  (Read 397530 times)
Tamis
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August 24, 2013, 09:17:07 PM
 #1941

ok I got the sources, thx !

I'm compiling it the same way that you showed on your Linux Compilation Guide. Is this the right way to do it ?

It should still work just fine. You just need to change in which directory you compile.

I deleted everything on one server just to be sure and it seems it worked fine.
Need to download the whole blockchain again but that is a minor pain.
getmininginfo shows the new "sieveextensions" : 6, can't wait to see the change Smiley

Will just transfering the new primecoind to the vps that can't compile work ?
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Armchair Miner
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August 24, 2013, 09:17:48 PM
 #1942

I pushed some big optimizations for -hp10 to github so that more people can test them.

Any chance of getting a compiled Windows binary? I'd like to test on a 32 core Opteron rig and a 3930k.

I second that request for the compiled Windows binary... Or I'll have buy more RAM and go linux!

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August 24, 2013, 09:19:03 PM
 #1943

I second that request for the compiled Windows binary... Or I'll have buy more RAM and go linux!

What, more RAM for Linux??
Tamis
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August 24, 2013, 09:19:21 PM
 #1944

It will come, give the man some time.
Why more ram ?
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August 24, 2013, 09:34:20 PM
 #1945

Yeah, I'm giving the man the time..  More RAM because I will still do VM linux inside Windows. Any preferences for the good VM?

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August 24, 2013, 09:39:06 PM
 #1946

Running in vmware

Getting
"chainspermin" : 10
"chainsperday" : 1.14342394
"primespersec" : 1157

With
"genproclimit" : 4

How do these numbers look to you?
Tamis
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August 24, 2013, 09:42:15 PM
Last edit: August 24, 2013, 10:11:15 PM by Tamis
 #1947

blockchain download is VERY slow right now, my guess is that a lot of people just compiled and we are all downloading at the same time.

I'm sure there is a way to keep the already downloaded blockchain with hp9, but I wasn't sure so started fresh after compiling.

edit :

Here is what I get with HP10 on one server :

CPD went from 1.31 to 2.75
PPS went from 2k to 2.7k

Next is tweaking sieveextensions...
mikaelh
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August 24, 2013, 11:21:50 PM
 #1948

-hp10 released! Downloads are on the first page as usual.

Changes in -hp10:
 * Major rewrite of the sieve to support extending the sieve (originally implemented by jh000).
 * Added a new parameter 'sieveextensions' which controls how many times the sieve is extended.
 * Removed the problematic and unnecessary fast-division test.
 * Changed the value of nL1CacheElements to 224000 which is slightly faster (thanks to nushor on IRC).
 * The 'roundsievepercentage' parameter is gone. The round primorial is now automatically adjusted.
 * New RPC command 'listtopprimes' by Sunny.
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August 24, 2013, 11:24:24 PM
 #1949

-hp10 released! Downloads are on the first page as usual.

Changes in -hp10:
 * Major rewrite of the sieve to support extending the sieve (originally implemented by jh000).
 * Added a new parameter 'sieveextensions' which controls how many times the sieve is extended.
 * Removed the problematic and unnecessary fast-division test.
 * Changed the value of nL1CacheElements to 224000 which is slightly faster (thanks to nushor on IRC).
 * The 'roundsievepercentage' parameter is gone. The round primorial is now automatically adjusted.
 * New RPC command 'listtopprimes' by Sunny.

Thanks for the update!

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August 24, 2013, 11:25:47 PM
 #1950

gr8 work as usual !

I presume we gona see a lot more development in future, looks like there is always something new to add and optimize even just for CPU Smiley

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August 24, 2013, 11:34:25 PM
 #1951

Great work indeed, thanks!

CPD is more than double what it was before.

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August 24, 2013, 11:53:59 PM
 #1952

blockchain download is VERY slow right now, my guess is that a lot of people just compiled and we are all downloading at the same time.

I'm sure there is a way to keep the already downloaded blockchain with hp9, but I wasn't sure so started fresh after compiling.


If you're using Windows, simply replace primecoind and primecoin-qt and start it.
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August 25, 2013, 12:25:23 AM
 #1953

i7 3370k @ 4400 :

{
"blocks" : 132521,
"chainspermin" : 38,
"chainsperday" : 3.16242444,
"currentblocksize" : 1000,
"currentblocktx" : 0,
"difficulty" : 9.78874415,
"errors" : "",
"generate" : true,
"genproclimit" : -1,
"primespersec" : 3267,
"pooledtx" : 0,
"sieveextensions" : 6,
"sievepercentage" : 10,
"sievesize" : 1000000,
"testnet" : false
}

Very nice work mikaelh !
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August 25, 2013, 12:26:06 AM
 #1954

Great work indeed, thanks!

CPD is more than double what it was before.

Just hope the same thing doesn't happen to the difficulty now...  Tongue
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August 25, 2013, 12:55:51 AM
 #1955

I start primecoin and it crashes...  Huh

Used to work fine and suddenly started acting out...replaced with the new hp10 and same thing.
Gonna have to fiddle some more with it. ARGH

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August 25, 2013, 01:20:25 AM
 #1956

Difficulty is clearly on the rise again !
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August 25, 2013, 01:24:44 AM
 #1957

Great work indeed, thanks!

CPD is more than double what it was before.

Just hope the same thing doesn't happen to the difficulty now...  Tongue

Pretty sure this will push us into 10-chain territory.

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August 25, 2013, 02:18:27 AM
 #1958

Is there a guide on how to compile this on windows?
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August 25, 2013, 04:16:30 AM
 #1959

I pushed some big optimizations for -hp10 to github so that more people can test them.
it was one hell of a optimiziation on my 2650s i went from ~2.6 to 5.9-6.0 ch/d
i got a meaningful boost on my 5636 and 5620s as well , but on my Pentium something something (socket 1156) i didn't get any boost.
i guess it's either because it's only dual core or that it lacks some instructions (i doubt it )
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August 25, 2013, 05:14:34 AM
 #1960

If you want to get an estimation of your block/day :
Take one minus the decimal part of the difficulty and multiply it with your chain/day.

block/day = (1 - dec(difficulty) ) * chainsperday

From your example :
    "chainsperday" : 0.28633614,
    "difficulty" : 9.68146938,
block/day = (1 - 0.68146938) * 0.28633614 = 0,091206828 = around one block every 11 days !



firstly, finally a forum search where i found what I was looking for Smiley

secondly..  since we dont use the whole number of the diff, can I assume that the chainsperday calculation takes into account the whole number?

with the example
Quote
From your example :
    "chainsperday" : 0.28633614,
    "difficulty" : 9.68146938,
block/day = (1 - 0.68146938) * 0.28633614 = 0,091206828 = around one block every 11 days !

what about "difficulty" : 10.68146938,?   what am i missing?

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