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Author Topic: [ANN]: cpuminer-opt v3.8.8.1, open source optimized multi-algo CPU miner  (Read 419411 times)
andnet
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March 17, 2018, 08:42:47 AM
 #3541

How to do cpu affinity and cpu max use  in this good prog?  Need only 10101010 cpu  and 50%
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March 17, 2018, 08:58:18 AM
 #3542

How to do cpu affinity and cpu max use  in this good prog?  Need only 10101010 cpu  and 50%

Do it in Windows task manager, details tab, right click on the program, set affinity, that's how I do it.
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March 18, 2018, 09:53:02 AM
 #3543

How to do cpu affinity and cpu max use  in this good prog?  Need only 10101010 cpu  and 50%

-t 4 --cpu-affinity 0x55
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March 18, 2018, 04:22:52 PM
 #3544

Hello!
Are there any chances for algo YescryptR32 to be supported? There's a new coin called WAVI (https://bitcointalk.org/index.php?topic=3146751.0) which is based on this algo.

Thanks beforehand.
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March 18, 2018, 05:00:10 PM
Last edit: March 18, 2018, 06:38:07 PM by joblo
 #3545

cpuminer-opt-3.8.4

Added yescryptr32 algo for WAVI coin.
Added URL to API data.
Improved detection of __int128 support (Linux only)
Compile support for CPUs without SSSE3 (no binary support)

https://github.com/JayDDee/cpuminer-opt/releases/tag/v3.8.4

Additional notes:

This release may fix some recently reported compile issues related to unsupported
SIMD instructions and lack of support for __int128. This may help some older AMD CPUs
and Linux distributions that previously failed to compile.

There may be some other unknown underlying issues so YMMV. In particular Centos 6
requires a newer version of gmp that is avalable for that release.

There is no Windows binary for CPUs with SSE2 but not SSSE3. cpuminer-sse2 is built for
Intel Core2 which includes SSSE3. However, I can be bribed.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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4ward
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March 18, 2018, 07:52:43 PM
 #3546

Can you take a look at the Argon2d algo and add it?
There seem to be 2 variants, for 2 coins (wonder whats the difference between the algos, but the hashrate is about 3 times faster on Credits coin than on Dynamic)

https://github.com/BeastPool/cpuminer-argon2d

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March 19, 2018, 01:33:24 AM
 #3547

Can you take a look at the Argon2d algo and add it?
There seem to be 2 variants, for 2 coins (wonder whats the difference between the algos, but the hashrate is about 3 times faster on Credits coin than on Dynamic)

https://github.com/BeastPool/cpuminer-argon2d


It looks like the same algo but with different parameters. It should be a straightforward implementation
because it was forked from cpuminer-opt. But I'll probably rework it to reduce code duplication/triplication.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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March 19, 2018, 10:50:04 AM
 #3548

Can you take a look at the Argon2d algo and add it?
There seem to be 2 variants, for 2 coins (wonder whats the difference between the algos, but the hashrate is about 3 times faster on Credits coin than on Dynamic)

https://github.com/BeastPool/cpuminer-argon2d


It looks like the same algo but with different parameters. It should be a straightforward implementation
because it was forked from cpuminer-opt. But I'll probably rework it to reduce code duplication/triplication.
It would be great because this fork didn't support AVX2, only AVX and AVX512f.
Waiting for adding Argon2d algo's too!
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March 20, 2018, 01:06:41 AM
 #3549

If you'r e the lucky owner of a CPU with AVX512, maybe you aren't so lucky because
v3.8.4 fails to compile. I included some experimental AVX512 code but was unable
to test compile it, and sure enough, it won't compile.

Until a new release is available you can remove the erroneous backslash in avxdefs.h line 1244
or remove the entire AVX512 block of code.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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March 20, 2018, 07:25:34 PM
 #3550

cpuminer-opt-3.8.4

Added yescryptr32 algo for WAVI coin.
Added URL to API data.
Improved detection of __int128 support (Linux only)
Compile support for CPUs without SSSE3 (no binary support)

https://github.com/JayDDee/cpuminer-opt/releases/tag/v3.8.4

Additional notes:

This release may fix some recently reported compile issues related to unsupported
SIMD instructions and lack of support for __int128. This may help some older AMD CPUs
and Linux distributions that previously failed to compile.

There may be some other unknown underlying issues so YMMV. In particular Centos 6
requires a newer version of gmp that is avalable for that release.

There is no Windows binary for CPUs with SSE2 but not SSSE3. cpuminer-sse2 is built for
Intel Core2 which includes SSSE3. However, I can be bribed.

hello,

can you link a post where someone explains how to run the miner. which command etc. that would be really nice. Or maybe link that specific post or instructions in the ANN post?

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March 20, 2018, 07:54:12 PM
 #3551

...

can you link a post where someone explains how to run the miner. which command etc. that would be really nice. Or maybe link that specific post or instructions in the ANN post?


cpuminer-aes-sse42 -h

replace cpuminer-aes-sse42 with the build your using, pools will also have quickstart commands/options listed


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March 20, 2018, 08:14:05 PM
 #3552

Hi can someone help me?? why i get this error??



im using ./build.sh and doing the same thing like 1 month ago without any issue, but somehow now i got that error , idk what is wrong

thank you for your help guys
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March 20, 2018, 08:18:36 PM
 #3553

...

can you link a post where someone explains how to run the miner. which command etc. that would be really nice. Or maybe link that specific post or instructions in the ANN post?


cpuminer-aes-sse42 -h

replace cpuminer-aes-sse42 with the build your using, pools will also have quickstart commands/options listed

ok. so i just have to type this when i'm in the specific path of the cpuminer. where do i know what build I'm using?
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March 20, 2018, 09:25:45 PM
Last edit: March 20, 2018, 10:07:25 PM by joblo
 #3554

Hi can someone help me?? why i get this error??



im using ./build.sh and doing the same thing like 1 month ago without any issue, but somehow now i got that error , idk what is wrong

thank you for your help guys

Your CPU has AVX512 I presume. Read back a few posts, you can get more details here...
https://github.com/JayDDee/cpuminer-opt/issues/116

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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March 20, 2018, 09:27:50 PM
 #3555

Mining noob here look for some help trouble shooting.
I'm trying to mine zoin. I believe i have everything set up correctly but cpuminer keeps closing out on me.
I'm on an older laptop running windows 8.1, intel i5-4210u cpu which does support avx2.
Here's my .bat "cpuminer-avx2.exe -a lyra2zoin -o stratum+tcp://zoin.netabuse.net:3000 -u mynamemyworker -p mypassword -t1"
I double click the .bat, the cmd window opens and i start hashing. I check my worker on the pools page and it shows it running. Shares submitted, shares accepted, running fine for 4-5 minutes then the cmd window closes and no more hashing.
I've given permission to the av, i'm only running 1 thread so cpu usage/temperature isn't an issue. It just quits.
Like i said i'm a total noob when it comes to mining so maybe there's something obvious i'm overlooking, but as far as i can tell it's all set up right.  Huh
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March 20, 2018, 09:37:40 PM
 #3556

Mining noob here look for some help trouble shooting.
I'm trying to mine zoin. I believe i have everything set up correctly but cpuminer keeps closing out on me.
I'm on an older laptop running windows 8.1, intel i5-4210u cpu which does support avx2.
Here's my .bat "cpuminer-avx2.exe -a lyra2zoin -o stratum+tcp://zoin.netabuse.net:3000 -u mynamemyworker -p mypassword -t1"
I double click the .bat, the cmd window opens and i start hashing. I check my worker on the pools page and it shows it running. Shares submitted, shares accepted, running fine for 4-5 minutes then the cmd window closes and no more hashing.
I've given permission to the av, i'm only running 1 thread so cpu usage/temperature isn't an issue. It just quits.
Like i said i'm a total noob when it comes to mining so maybe there's something obvious i'm overlooking, but as far as i can tell it's all set up right.  Huh

If the miner is reporting shares accepted and the pool confirms it you seem to be doing (almost) everything right
and likely have a problem with your PC causing the miner to crash. Almost because you should put a pause in your
bat so the window stays open and you can see any error messages that may have been displayed.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
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March 20, 2018, 09:39:40 PM
 #3557

...

can you link a post where someone explains how to run the miner. which command etc. that would be really nice. Or maybe link that specific post or instructions in the ANN post?


cpuminer-aes-sse42 -h

replace cpuminer-aes-sse42 with the build your using, pools will also have quickstart commands/options listed

ok. so i just have to type this when i'm in the specific path of the cpuminer. where do i know what build I'm using?

README.txt

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
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March 21, 2018, 04:05:56 PM
 #3558

I am proposing fuurther canges to the Windows binaries suite to be better aligned with the
CPU features actually used by cpuminer-opt. Comments are welcome.

The problem:

1. AVX is meaningless to cpuminer-opt. AVX adds no useful 128 bit SIMD instructions, full 128 bit
support only requires SSE4.2. As a result some CPUs are prevented from using optimzations they
support. This also occurs when compiling from source.

2. cpuminer-sse is actually built with SSSE3. Some AMD CPUs with SSE2 do not have SSSE3 and
can't run cpuminer.

The proposal:

1. Eliminate cpuminer-aes-avx binary and eliminate AVX as a reportable feature and replace it with SSE4.2
    cpuminer-aes-sse42 will include all optimizations from the deleted AVX build.

2. Remove SSSE3 from cpuminer-sse2 build.

Pro/con:

The only theoretical con is that Intel core2 CPUs will not make use of SSSE3 when using cpuminer-sse2
windows bnary. There are no significant differences with SSSE3 so no performance impact is expected.

Some previously unsupported AMD CPUs will become supported.

Some optimizations currently tagged as requiring AVX will become available on Intel Westmere CPUs
and possibly some AMD CPUs with similar features.

Fewer binary builds, should be less confusing for users.

Current suite:
Code:
cpuminer-sse2.exe      "-march=core2"              Core2, Nehalem
cpuminer-aes-sse42.exe "-maes -msse4.2"            Westmere
cpuminer-aes-avx.exe   "-march=corei7-avx"         Sandybridge, Ivybridge
cpuminer-avx2.exe      "-march=core-avx2"          Haswell...
cpuminer-avx2-sha.exe  "-march=core-avx2 -msha"    Ryzen

Proposed:
Code:
cpuminer-sse2.exe      "-msse2"                    Core2, Nehalem
cpuminer-aes-sse42.exe "-maes -msse4.2"            Westmere, Sandybridge, Ivybridge
cpuminer-avx2.exe      "-march=core-avx2"          Haswell...
cpuminer-avx2-sha.exe  "-march=core-avx2 -msha"    Ryzen

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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March 21, 2018, 11:05:28 PM
 #3559

works for me
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March 22, 2018, 05:11:22 AM
 #3560

Hi everyone,

I've contacted JayDDee last year and wanted to help porting the project to the latest visual studio edition, and improve performance.  Here I am.

I'm now with vs 2017 community edition and having difficulty finding some files, at compile time.
Example :
Cannot open source file: 'algo\luffa.c': No such file or directory

I have around 50 files like these missing.

Is there a way to get the missing file easilly ?  Like a zip package that add the missing files?

I would like to try to improve some c/c++ performance of some algorithms, but first I would like a stable build.

Thanks for any information about my issue,

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