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Author Topic: [ANN]: cpuminer-opt v3.8.8.1, open source optimized multi-algo CPU miner  (Read 416883 times)
maxfunky
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October 21, 2016, 04:23:31 AM
 #1461

I've seen wolf reply this: https://gcc.gnu.org/onlinedocs/gcc-6.2.0/gcc/Invoking-GCC.html#Invoking-GCC to someone asking what special flags he use on his zcoin miner (top 3 @ Suprnova) Maybe there's good info for performance optimisation in there..  Roll Eyes Huh
Transactions must be included in a block to be properly completed. When you send a transaction, it is broadcast to miners. Miners can then optionally include it in their next blocks. Miners will be more inclined to include your transaction if it has a higher transaction fee.
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October 21, 2016, 04:54:54 AM
 #1462

ok this makes no sense :
intel G1820 using cpuminer-core2 is getting 569h or 10h/s
the G3250s using cpuminer-core2 are also getting ss high as  500 h or 9.8 h/s
and a brand new skylarke I-7 600k using cpuminer-core-avx2   is getting a max of 580 hs or 9.9 h/s cores hash faster but max out at aroun 90h
a core i3 4170 using cpuminer-core-avx2 gets only 450 h or 8.9 hs/s  - slower hash but each core does 120 h

any ideas as to why the i3 and the skylarke under perform so much on lyra2z

Yes, I have discussed it extensively. It all about memory bandwidth, not compute power. For kicks try reducing the number of threads
on your 6700K until you see the total hashrate drop. Hint: it's less than 4.

At my local store that had some broad well - E cards 6 core ones for only $100 more I exchanged my 6700 for a 6800k are boy were you right , even with like 50% usage on the cores I'm seeing speeds

of like 10000 h and 30 h/s  I guess these cards have 28 pc-e lanes vs the normal 16 ?  I cant image the higer end ones wit 40 pc-e lanes thoughs could probably do a sold 60 h/s , crazy these are only $100 more than the i7 6700k  I did need to buy are more
expensive mb though.

ok maybe this was a fluke after windows 10 updates run seems to have slowed down a ton trying to figure out whats what

**edit no fluke
 got the same high hash rates agin but for some reason after a while the miner just stops when it hits those max rates of 9k h or more any ideas ?

seems that the pool kicks the rig off due to shares being such high hash rates ? I get stratum timeouts when it gets to the higher rates

Stratum problems are a pool issue.

Yes I switched to pool.mn but now the hash rates is around 1000h or 17.5 h/s weird though none of my other rigs have stratum issues on suprvova
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October 21, 2016, 07:44:10 AM
 #1463

@joblo
Did you remove zr5 algo from v3.4.8?
Code:
./cpuminer --config=~/miner-configs/cpu-ziftrpool.io.json

         **********  cpuminer-opt 3.4.8  ***********
     A CPU miner with multi algo support and optimized for CPUs
     with AES_NI and AVX extensions.
     BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
     Forked from TPruvot's cpuminer-multi with credits
     to Lucas Jones, elmad, palmd, djm34, pooler, ig0tik3d,
     Wolf0, Jeff Garzik and Optiminer.

[2016-10-21 10:42:01] Unknown algo: zr5
Try `cpuminer-opt --help' for more information.

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joblo
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October 21, 2016, 12:16:14 PM
 #1464

@joblo
Did you remove zr5 algo from v3.4.8?
Code:
./cpuminer --config=~/miner-configs/cpu-ziftrpool.io.json

         **********  cpuminer-opt 3.4.8  ***********
     A CPU miner with multi algo support and optimized for CPUs
     with AES_NI and AVX extensions.
     BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
     Forked from TPruvot's cpuminer-multi with credits
     to Lucas Jones, elmad, palmd, djm34, pooler, ig0tik3d,
     Wolf0, Jeff Garzik and Optiminer.

[2016-10-21 10:42:01] Unknown algo: zr5
Try `cpuminer-opt --help' for more information.

Silly command line parsing bug related to zcoin addition. Lyra2z is listed twice pushing zr5 out of range.
Simple fix delete line 577 in miner.h.

Code:
        "x14",
        "x15",
        "x17",
        "yescrypt",
        "lyra2z",           <--------- delete this line
        "zr5",
        "\0"


cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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My9bot
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October 21, 2016, 04:22:45 PM
 #1465

hey can you look at zcash algo??
https://github.com/nicehash/nheqminer
thx

I'm better with code than with words-SatoshiNakamoto
Espers [ESP]SiteOnBlockchain
joblo
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October 21, 2016, 04:39:10 PM
 #1466


I will look at it.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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Marvell1
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October 21, 2016, 06:34:18 PM
 #1467

This algo really needs a windows binary similar to what u did for zero coin
id donate .2 btc myself if you can add it so i cant test it on the zcash test net
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October 21, 2016, 07:28:21 PM
 #1468

This algo really needs a windows binary similar to what u did for zero coin
id donate .2 btc myself if you can add it so i cant test it on the zcash test net


I was tempted to copy the Nicehash binaries and offer them to you privately for .2 BTC. Wink

https://github.com/nicehash/nheqminer/releases


First impressions:

I haven't tried the binaries and can't compile on Linux because I have an old version of QT. I don't want to risk breaking my
cpuminer compile environment.

nheqminer is a completely different from cpuminer, all c++, different SW architecture, different build process. Merging it with
cpuminer is not going to happen.

The algo has similar issues as zcoin, it is extremely memory hard so the limiting factor is memory bandwidth, not compute capacity.
It is already acknowledged by Nicehash that 6 threads are all that are needed on a i7, so mem bandwidth is already saturated and
it wouldn't benefit from optimizing.

There are opportunities to promote some SSE4/AVX code to AVX2 but the potential benefits are very limited. The i7 is already I/O bound
so it won't improve with AVX2 (as seen with zcoin) but i5 and I3 may see some improvement. With only 4 threads there may still be some
memory bandwidth available that could be exploited with more efficient code. How much it will help is anyone's guess.

Given the amount of work involved, my lack of experience with qmake and c++, and the limited potential benefit I'm going to pass on it
for the time being.

If anyone wants to pick it up I can help with the intrinsics but it looks pretty straightforward to migrate from AVX to AVX2.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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Marvell1
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October 21, 2016, 08:37:29 PM
 #1469

This algo really needs a windows binary similar to what u did for zero coin
id donate .2 btc myself if you can add it so i cant test it on the zcash test net


I was tempted to copy the Nicehash binaries and offer them to you privately for .2 BTC. Wink

https://github.com/nicehash/nheqminer/releases


First impressions:

I haven't tried the binaries and can't compile on Linux because I have an old version of QT. I don't want to risk breaking my
cpuminer compile environment.

nheqminer is a completely different from cpuminer, all c++, different SW architecture, different build process. Merging it with
cpuminer is not going to happen.

The algo has similar issues as zcoin, it is extremely memory hard so the limiting factor is memory bandwidth, not compute capacity.
It is already acknowledged by Nicehash that 6 threads are all that are needed on a i7, so mem bandwidth is already saturated and
it wouldn't benefit from optimizing.

There are opportunities to promote some SSE4/AVX code to AVX2 but the potential benefits are very limited. The i7 is already I/O bound
so it won't improve with AVX2 (as seen with zcoin) but i5 and I3 may see some improvement. With only 4 threads there may still be some
memory bandwidth available that could be exploited with more efficient code. How much it will help is anyone's guess.

Given the amount of work involved, my lack of experience with qmake and c++, and the limited potential benefit I'm going to pass on it
for the time being.

If anyone wants to pick it up I can help with the intrinsics but it looks pretty straightforward to migrate from AVX to AVX2.

LOOL I didn't know they had a binary up for EQhash lol good one i'll send a donation your ways anyways for the honestly hard to find in this dog eat dog world

also I've been doing some testing with the i7 6800k and with an OC to 3.7 MHz it does around 20h/s on lyra2z , basically double the hash rate of a 6700

I have a feeling I could get more out of it but I tried a higer OC and I didn't see much benift, hash rate acurally went lower /shrug
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October 21, 2016, 08:48:34 PM
 #1470

LOOL I didn't know they had a binary up for EQhash lol good one i'll send a donation your ways anyways for the honestly hard to find in this dog eat dog world

also I've been doing some testing with the i7 6800k and with an OC to 3.7 MHz it does around 20h/s on lyra2z , basically double the hash rate of a 6700

I have a feeling I could get more out of it but I tried a higer OC and I didn't see much benift, hash rate acurally went lower /shrug

Thanks.

If higher CPU clock didn't help then your mem bandwidth is maxed out. Did you try to OC the mem?

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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October 22, 2016, 02:10:45 AM
 #1471

Please help me config on i7 5930k for zcoin!!!!
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October 22, 2016, 03:24:59 AM
 #1472

LOOL I didn't know they had a binary up for EQhash lol good one i'll send a donation your ways anyways for the honestly hard to find in this dog eat dog world

also I've been doing some testing with the i7 6800k and with an OC to 3.7 MHz it does around 20h/s on lyra2z , basically double the hash rate of a 6700

I have a feeling I could get more out of it but I tried a higer OC and I didn't see much benift, hash rate acurally went lower /shrug

Thanks.

If higher CPU clock didn't help then your mem bandwidth is maxed out. Did you try to OC the mem?

Not yet but I have XMP set up it should already be OCED I thought
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October 22, 2016, 08:15:07 AM
 #1473

LOOL I didn't know they had a binary up for EQhash lol good one i'll send a donation your ways anyways for the honestly hard to find in this dog eat dog world

also I've been doing some testing with the i7 6800k and with an OC to 3.7 MHz it does around 20h/s on lyra2z , basically double the hash rate of a 6700

I have a feeling I could get more out of it but I tried a higer OC and I didn't see much benift, hash rate acurally went lower /shrug

Thanks.

If higher CPU clock didn't help then your mem bandwidth is maxed out. Did you try to OC the mem?

Not yet but I have XMP set up it should already be OCED I thought

performace actually seems worse with mem oced
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October 27, 2016, 05:38:38 AM
 #1474

Could Someone tell me how to installato and run it on Ubuntu by console only? please
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October 27, 2016, 05:16:42 PM
 #1475

Could Someone tell me how to installato and run it on Ubuntu by console only? please

README.md

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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October 30, 2016, 05:26:57 PM
 #1476

joblo lyra2z+core-avx-i+i5 3337u doesn't work together miner just stops with error appearing at start.

os is windows 8.1

can you fix it ?

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October 30, 2016, 06:26:20 PM
 #1477

joblo lyra2z+core-avx-i+i5 3337u doesn't work together miner just stops with error appearing at start.

os is windows 8.1

can you fix it ?

I probably could fix it if you provide more info, but probably won't because the optimized code isn't any faster
and the algo is going to die. Just use any exe that works.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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October 30, 2016, 06:29:19 PM
 #1478

joblo lyra2z+core-avx-i+i5 3337u doesn't work together miner just stops with error appearing at start.

os is windows 8.1

can you fix it ?

I probably could fix it if you provide more info, but probably won't because the optimized code isn't any faster
and the algo is going to die. Just use any exe that works.

what info do you want ? i may provide but,just did not got what did you mean Sad

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October 30, 2016, 06:31:03 PM
 #1479

Oh i read wrong thing :-D nvm

GTX 1080Ti rocks da house... seriously... this card is a beast³
Owning by now 18x GTX1080Ti :-D @serious love of efficiency
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November 02, 2016, 07:47:32 PM
 #1480

Joblo can you add the new BitSend (BSD) algo - XEVAN?

Quote
Here that is source package https://github.com/LIMXTEC/BitSend/blob/master/src/hash/xevan.h

It is a douple X17 with a another worknumber 128 (64)

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