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Author Topic: [ANN]: cpuminer-opt v3.8.8.1, open source optimized multi-algo CPU miner  (Read 419088 times)
Larvitar
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January 04, 2018, 06:50:46 PM
 #3161

Hi Joblo! 3.7.8 avx-sha is better than ever!

Im mining m7m algo, but I mine with both GPUs and Ryzen. The 16thread mining are slowing down the GPUs mining.

How could I set CPU affinity for all threads but CPU0 (or threads 0 and 1)?

I searched for an option to do it, but I havent found nothing  Undecided


EDIT:'

I found it:
https://phempshall.github.io/cpuminer-affinity-setter/

works Cheesy
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January 04, 2018, 07:08:10 PM
 #3162

Hi Joblo! 3.7.8 avx-sha is better than ever!

Im mining m7m algo, but I mine with both GPUs and Ryzen. The 16thread mining are slowing down the GPUs mining.

How could I set CPU affinity for all threads but CPU0 (or threads 0 and 1)?

I searched for an option to do it, but I havent found nothing  Undecided

-t 14 --cpu-affinity 0xfffd should mine on logical cores 2 through 15 leaving cores 0 & 1 free.
But I'm not sure threads 0 & 1 are mapped to the same physical core. You might have to
play with the affinity mask to isolate 2 threads on the same physical core.
Other possibilities include 0xfefe (threads 0 & Cool and 0xffee (threads 0 & 4). I can't think of
any other way they could be mapped. Please let us know which one works.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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Salazarian2
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January 04, 2018, 08:23:21 PM
Last edit: January 04, 2018, 09:26:21 PM by Salazarian2
 #3163

I tried to run on ubuntu but each thread shows 10 hash/s and no block is detected

https://i.imgur.com/plrdHgG.png

It just runs and nothing happens... Sad

Using nicehash EU server however the windows client works at the moment perfect.

Does anyone have a standard example config for nicehash cryptonight for a Ryzen 1700X CPU?


UPDATE:
This is Cryptonight and it does not work at all.
With other algos it works...

Made a debug test and found following:

[2018-01-04 22:13:34] stratum_recv_line failed
[2018-01-04 22:13:34] Stratum connection interrupted


How can I solve this issue?
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January 04, 2018, 10:13:42 PM
 #3164

Nicehash sets the difficulty too high for cryptonight. It takes too long to find a share so the stratum
times out.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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Salazarian2
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January 04, 2018, 10:16:05 PM
 #3165

Is there any solution? Is it more effective to mine on another pool?
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January 04, 2018, 10:58:14 PM
 #3166

I am on miningpoolhub and it's decent.
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January 05, 2018, 02:55:42 AM
 #3167

Greetings, I am a user of Ubuntu 17.10 and my CPU is an i3 2100, after the last updates I could not use the program, chose to throw me the following error:

./cpuminer -a x11 --benchmark

         **********  cpuminer-opt 3.7.8  ***********
     A CPU miner with multi algo support and optimized for CPUs
     with AES_NI and AVX2 and SHA extensions.
     BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT

CPU:         Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz.
SW built on Jan  4 2018 with GCC 6.4.0.
CPU features: SSE2 AVX.
SW features: SSE2 AVX.
Algo features: SSE2 AES AVX2 4WAY.
A CPU with AES and AVX2 is required!

I compile it using flag -march=native.

The only way to use it is to compile it from build-allarch.sh and using the executable cpuminer-sse42. Thanks in advance for any assistance.
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January 05, 2018, 03:50:46 AM
 #3168

Greetings, I am a user of Ubuntu 17.10 and my CPU is an i3 2100, after the last updates I could not use the program, chose to throw me the following error:

./cpuminer -a x11 --benchmark

         **********  cpuminer-opt 3.7.8  ***********
     A CPU miner with multi algo support and optimized for CPUs
     with AES_NI and AVX2 and SHA extensions.
     BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT

CPU:         Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz.
SW built on Jan  4 2018 with GCC 6.4.0.
CPU features: SSE2 AVX.
SW features: SSE2 AVX.
Algo features: SSE2 AES AVX2 4WAY.
A CPU with AES and AVX2 is required!

I compile it using flag -march=native.

The only way to use it is to compile it from build-allarch.sh and using the executable cpuminer-sse42. Thanks in advance for any assistance.

It looks like there is a bug with some algos when using a CPU with AVX but not AVX2. Will be fixed in the next release.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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Salazarian2
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January 05, 2018, 10:03:40 AM
 #3169

Nicehash sets the difficulty too high for cryptonight. It takes too long to find a share so the stratum
times out.


When I mine ith 4790K Windows Miner, I get steady mining, how comes with the ubuntu miner I cant seem to mine for Nicehash?

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January 05, 2018, 04:59:16 PM
 #3170

looks like there is a regression in 3.7.8:
4way lyra2z started throwing low difficulty shares error

Lyra2z 4way is a mess, that's why the warning is displayed on startup.

First it is not expected to be fast, only a small portion of the algo (blake256) can be paralleled.
The overhead of converting from 4way for blake256 to serial for lyra2 may be greater than the
gain of blake256 4way. I'm using lyra2z as a test bed for blake256. 4way for the lyra2 code is not
being seriously considered because it's already using AVX2.

Blake256 has problems. Only 2 of the 4 lanes produce valid hash, the other 2 always invalid.
In effect it is only working as 2way, when it works at all.

I made a change in 3.7.8 but was unable to test it at the time. It seems it made things worse.
I'm still working on it but there is no guarantee it will be fixed soon.

Thanks for testing.

I think I found the bug in lyra2z 4way, actually it's in blake256 4way. It looks like it's responsible for the
lane corruption problem also. Unfortunately zpool dropped it before I could test it (yet again).

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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satrya89
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January 06, 2018, 09:35:25 AM
 #3171

been trying all the miner but the prompt just show up for a second and then disappear -.-
Andre100
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January 06, 2018, 03:05:32 PM
 #3172

been trying all the miner but the prompt just show up for a second and then disappear -.-

click START
in window write CMD
in console start miner
and you can see what error you have
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January 06, 2018, 06:21:10 PM
 #3173

Hi Joblo! 3.7.8 avx-sha is better than ever!

Im mining m7m algo, but I mine with both GPUs and Ryzen. The 16thread mining are slowing down the GPUs mining.

How could I set CPU affinity for all threads but CPU0 (or threads 0 and 1)?

I searched for an option to do it, but I havent found nothing  Undecided


EDIT:'

I found it:
https://phempshall.github.io/cpuminer-affinity-setter/

works Cheesy

i wanna ask, for ryzen 7
do you use  --cpu-affinity 255 --cpu-priority 4? or --cpu-affinity 255 --cpu-priority 2
what's different?

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January 06, 2018, 07:31:42 PM
 #3174

Hi Joblo! 3.7.8 avx-sha is better than ever!

Im mining m7m algo, but I mine with both GPUs and Ryzen. The 16thread mining are slowing down the GPUs mining.

How could I set CPU affinity for all threads but CPU0 (or threads 0 and 1)?

I searched for an option to do it, but I havent found nothing  Undecided


EDIT:'

I found it:
https://phempshall.github.io/cpuminer-affinity-setter/

works Cheesy

i wanna ask, for ryzen 7
do you use  --cpu-affinity 255 --cpu-priority 4? or --cpu-affinity 255 --cpu-priority 2
what's different?

First use hex because it's easier to map the bits to cores. 255 = 0x00ff = 0b0000000011111111
Only 8 bits/cores for 16 threads?
My previous post showed how to run 14 miner threads leaving one core (2 threads) free.
Some users when mining 8 threads have reported better performance with affinity 0x5555.

Second, priority isn't very useful unless you're also running background tasks and want to
prioritize between them and mining.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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guytechie
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January 07, 2018, 07:49:33 AM
 #3175

Now that m7m is back (hashrefinery), some m7m numbers for cpuminer-opt v3.7.8v2 (maybe should call it 3.7.8.1, lol).

Ryzen Threadripper 1950X @ 3.7 GHz

sse2
545 kH/s

avx-sha
565 kH/s

4way-sha
545 kH/s

aes-avx
550 kH/s

aes-avx2
535 kH/s

aes-sse42
516 kH/s

sse42
580 kH/s

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joblo
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January 07, 2018, 05:17:05 PM
 #3176

Now that m7m is back (hashrefinery), some m7m numbers for cpuminer-opt v3.7.8v2 (maybe should call it 3.7.8.1, lol).

Ryzen Threadripper 1950X @ 3.7 GHz

sse2
545 kH/s

avx-sha
565 kH/s

4way-sha
545 kH/s

aes-avx
550 kH/s

aes-avx2
535 kH/s

aes-sse42
516 kH/s

sse42
580 kH/s

Those results are very suspicious, Particularly the fastest is sse42 and the slowest is aes-sse42.There is no aes
in m7m so they should be identical. Also the sha builds are not significantly faster than the equivalent non-sha,
but are significantly slower than sse42.

I don't know why but I don't think it's due to mislabeled files.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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guytechie
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January 07, 2018, 05:39:02 PM
 #3177

Now that m7m is back (hashrefinery), some m7m numbers for cpuminer-opt v3.7.8v2 (maybe should call it 3.7.8.1, lol).

Ryzen Threadripper 1950X @ 3.7 GHz

sse2
545 kH/s

avx-sha
565 kH/s

4way-sha
545 kH/s

aes-avx
550 kH/s

aes-avx2
535 kH/s

aes-sse42
516 kH/s

sse42
580 kH/s

Those results are very suspicious, Particularly the fastest is sse42 and the slowest is aes-sse42.There is no aes
in m7m so they should be identical. Also the sha builds are not significantly faster than the equivalent non-sha,
but are significantly slower than sse42.

I don't know why but I don't think it's due to mislabeled files.

Probably due to background processes?  This *is* Windows we're talking about.

The first time I ran aes-sha I got 607 kH/s, but I could never reproduce it.  Ran for a few minutes for each executable.

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alucard20724
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January 08, 2018, 02:19:53 AM
 #3178

I'm trying to run lyraZ2 on an i7-7820X with 4way, avxSha, and 4waysha.  using version 3.7.8 and win10

i get constant rejects from the pool "reject reason: low difficulty share of 0.000005" or smaller
from miningpoolhub

cpu is hashing at 1.3MH/s

i tried to manually lower the difficulty to d=0.01 but didn't seem to take it.

any suggestions?
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January 08, 2018, 03:13:33 AM
 #3179

Perfect!  CPUMINER now is more and more stronger.  I will test it with YTN mining.
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January 08, 2018, 03:52:20 AM
 #3180

Hi Dev,

Can you please let me know the steps to install cpuminer in centos 6 as I am getting error.

algo/m7m.c:369: warning: implicit declaration of function ‘mpz_clears’
make[2]: *** [algo/cpuminer-m7m.o] Error 1
make[2]: *** Waiting for unfinished jobs....
mv -f algo/.deps/cpuminer-lbry.Tpo algo/.deps/cpuminer-lbry.Po
mv -f .deps/cpuminer-util.Tpo .deps/cpuminer-util.Po
mv -f .deps/cpuminer-cpu-miner.Tpo .deps/cpuminer-cpu-miner.Po
make[2]: Leaving directory `/root/cpuminer-opt'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/root/cpuminer-opt'
make: *** [all] Error 2
strip: 'cpuminer': No such file
[root@host cpuminer-opt]#
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