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Author Topic: [ANN]: cpuminer-opt v3.8.8.1, open source optimized multi-algo CPU miner  (Read 419418 times)
Bannedseller
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March 26, 2018, 08:07:47 PM
 #3581

Hi Dev,
I will ask the same question as above:
Do you have any intentions to add sha224 that Bismuth algorithm is using: https://bitcointalk.org/index.php?topic=1896497.0
How hard will it be to implement sha224 ?
Thank you
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March 27, 2018, 08:30:39 AM
 #3582

Hi JayDDee,
Over 70 algo with CPUMiner-opt : very good, congratulation :-).
But one of the most popular is not in : EquiHash.
Is there any chance to have one day EquiHash in CPUMiner-opt ?
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March 27, 2018, 12:25:25 PM
 #3583

Hi JayDDee,
Over 70 algo with CPUMiner-opt : very good, congratulation :-).
But one of the most popular is not in : EquiHash.
Is there any chance to have one day EquiHash in CPUMiner-opt ?
Any chance to get the equihash algorithm added?  I'm still using nheqminer for my cpu.

Completely different design, too much work to integrate for no benefit.

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March 27, 2018, 05:48:14 PM
 #3584

Too many requests for algos, I don't respond anymore just to say no. If I'm interested you will know
soon enough.

Feel free to post of a new algo you believe will fit with cpuminer, the more info about the algo the better.
The best references are C source code of a working unoptimized example.

Typical reasons why I won't implement a given algo:

1. Requires a complete rewrite.
2. Existing miner is already optimized.
3. Lack of details/specs about the algo.
4. Lack of support by pools, exchanges, etc.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
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Enth
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March 27, 2018, 08:09:56 PM
 #3585

i'll be waiting for argon2d)
joblo
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March 28, 2018, 12:32:47 AM
 #3586

cpuminer-opt-3.8.5

Added argon2d-crds and argon2d-dyn algos.
sha256t 8 way AVX2 & 4 way SSE4.2 optimized.
CPUs with SSE4.2 get optimizations previously reserved for AVX.

https://github.com/JayDDee/cpuminer-opt/releases/tag/v3.8.5


cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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reeyon
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March 28, 2018, 02:55:58 AM
 #3587

@joblo

Can you add new algo x16s?
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March 28, 2018, 08:00:08 AM
 #3588

cpuminer-opt-3.8.5

Added argon2d-crds and argon2d-dyn algos.
sha256t 8 way AVX2 & 4 way SSE4.2 optimized.
CPUs with SSE4.2 get optimizations previously reserved for AVX.

https://github.com/JayDDee/cpuminer-opt/releases/tag/v3.8.5



AMAZING!!! Thank you!
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March 28, 2018, 08:02:39 AM
 #3589

cpuminer-opt-3.8.5

Added argon2d-crds and argon2d-dyn algos.
sha256t 8 way AVX2 & 4 way SSE4.2 optimized.
CPUs with SSE4.2 get optimizations previously reserved for AVX.

https://github.com/JayDDee/cpuminer-opt/releases/tag/v3.8.5



Excellent )

significant improvement in SH256t (9mh -> 32mh)
argon2d algos seem somewhat slower than the reference on avx2 / windows

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March 28, 2018, 08:38:20 AM
 #3590

@joblo
@felixbrucker
Thank you guys, I'll give a try with Docker...
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March 28, 2018, 08:51:21 AM
 #3591

@joblo

Can you add new algo x16s?


a reference to the algo details helps Wink

https://bitcointalk.org/index.php?topic=3208091.0

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March 28, 2018, 08:59:12 AM
 #3592

argon2d algos seem somewhat slower than the reference on avx2 / windows

yes, but more stable for me on 4 treads. Original gives me bsod...
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March 28, 2018, 03:09:34 PM
 #3593

argon2d algos seem somewhat slower than the reference on avx2 / windows

If by reference you mean the Beastpool fork, it was forked from cpuminer-opt and I just imported
all the argon2d code as-is. It should be identical.

How much slower is it? Are both algos similarly affected? Since you're using the binary my only guess
is a compile issue.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
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March 28, 2018, 03:55:19 PM
 #3594

argon2d algos seem somewhat slower than the reference on avx2 / windows

If by reference you mean the Beastpool fork, it was forked from cpuminer-opt and I just imported
all the argon2d code as-is. It should be identical.

How much slower is it? Are both algos similarly affected? Since you're using the binary my only guess
is a compile issue.

yes, the Beastpool fork

crds 26k vs 32k
dyn 8k fvs 10k

I can try compiling both from source to verify, but that will probably only happen on the weekend

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March 28, 2018, 04:33:29 PM
 #3595

argon2d algos seem somewhat slower than the reference on avx2 / windows

If by reference you mean the Beastpool fork, it was forked from cpuminer-opt and I just imported
all the argon2d code as-is. It should be identical.

How much slower is it? Are both algos similarly affected? Since you're using the binary my only guess
is a compile issue.

yes, the Beastpool fork

crds 26k vs 32k
dyn 8k fvs 10k

I can try compiling both from source to verify, but that will probably only happen on the weekend

Compiling beastpool requires a few extra steps. First you need to reverse the pthreadGC2 change for Linux
and chmod +x autogen.sh and build.sh.

I get virtually the same speed for both on crds: 29.8k opt vs 29.6k beast.
What compiler was used for the Beaspool bin?

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
ETH: 0x72122edabcae9d3f57eab0729305a425f6fef6d0
4ward
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March 28, 2018, 06:03:25 PM
 #3596

argon2d algos seem somewhat slower than the reference on avx2 / windows

If by reference you mean the Beastpool fork, it was forked from cpuminer-opt and I just imported
all the argon2d code as-is. It should be identical.

How much slower is it? Are both algos similarly affected? Since you're using the binary my only guess
is a compile issue.

yes, the Beastpool fork

crds 26k vs 32k
dyn 8k fvs 10k

I can try compiling both from source to verify, but that will probably only happen on the weekend


Compiling beastpool requires a few extra steps. First you need to reverse the pthreadGC2 change for Linux
and chmod +x autogen.sh and build.sh.

I get virtually the same speed for both on crds: 29.8k opt vs 29.6k beast.
What compiler was used for the Beaspool bin?
SW built on Mar 12 2018 with GCC 5.3.1.

MiningTaken
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March 29, 2018, 08:12:16 AM
 #3597

Hi, need an enlightenment here.  Smiley
Does CPUminer-Opt has built-in command line options to set CPU affinity?
Thanks before.
andnet
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March 29, 2018, 04:55:09 PM
 #3598

Hi, need an enlightenment here.  Smiley
Does CPUminer-Opt has built-in command line options to set CPU affinity?
Thanks before.

start /affinity 55 cpuminer...... or   --cpu-affinity 0x55
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March 29, 2018, 05:01:05 PM
 #3599

Hi, need an enlightenment here.  Smiley
Does CPUminer-Opt has built-in command line options to set CPU affinity?
Thanks before.

start /affinity 55 cpuminer...... or   --cpu-affinity 0x55

Got it. Thank you. Smiley
andnet
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March 29, 2018, 06:20:59 PM
 #3600

Hi, need an enlightenment here.  Smiley
Does CPUminer-Opt has built-in command line options to set CPU affinity?
Thanks before.

start /affinity 55 cpuminer...... or   --cpu-affinity 0x55

Got it. Thank you. Smiley

55 is 01010101  t 4  
use calc for youre cpu https://yadi.sk/i/AhXE0h9D3Ttd79
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