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Author Topic: [ANN]: cpuminer-opt v3.8.2.1, open source optimized multi-algo CPU miner  (Read 395901 times)
JoeBobJr
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January 20, 2018, 07:56:44 PM
 #3301

Does this miner not have a web api? I've seen that it binds to port 4048 and when I try to access the api from my browser I get errors every time. localhost:4048 isn't working.

No, just a raw socket.

Code:
telnet localhost 4048
help

As soon as I connect with telnet and hit any key it disconnects. I can't type help.
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joblo
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January 20, 2018, 08:18:57 PM
 #3302

Does this miner not have a web api? I've seen that it binds to port 4048 and when I try to access the api from my browser I get errors every time. localhost:4048 isn't working.

No, just a raw socket.

Code:
telnet localhost 4048
help

As soon as I connect with telnet and hit any key it disconnects. I can't type help.

Don't hit any key just enter a comand.

Code:
$ telnet 127.0.0.1 4048
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
help
summary
threads
seturl
quit
|Connection closed by foreign host.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
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JoeBobJr
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January 20, 2018, 09:01:42 PM
 #3303

Does this miner not have a web api? I've seen that it binds to port 4048 and when I try to access the api from my browser I get errors every time. localhost:4048 isn't working.

No, just a raw socket.

Code:
telnet localhost 4048
help

As soon as I connect with telnet and hit any key it disconnects. I can't type help.

Don't hit any key just enter a comand.

Code:
$ telnet 127.0.0.1 4048
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
help
summary
threads
seturl
quit
|Connection closed by foreign host.


It must not be actually making a connection then. When I type in the telnet command the screen goes black and all I see is a cursor. I'll look into it thanks for the info.
cojsolorzano
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January 23, 2018, 04:07:31 AM
 #3304

I think there should be an SSE2-AVX EXE for i3 proccesors under windows , I saw it working only in linux,
joblo
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January 23, 2018, 06:21:04 AM
 #3305

I think there should be an SSE2-AVX EXE for i3 proccesors under windows , I saw it working only in linux,

I need a better reason than "I think". Show me the performance difference from just sse2.
I'm trying to reduce then number of builds, not increase them. Old and crippled CPUs do not
interest me. I want to focus on AVX2 and AVX512.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
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nizzuu
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January 23, 2018, 07:05:23 AM
 #3306

I need a better reason than "I think". Show me the performance difference from just sse2.
I'm trying to reduce then number of builds, not increase them. Old and crippled CPUs do not
interest me. I want to focus on AVX2 and AVX512.

Well, I cannot call the Xeon E5 v2 & v3 line (it lacks AVX2 support) like "Old and crippled" because people nowadays purchase these ones for less than 200$.

E5-1650V2 costs <180$ but kicks some newer i7 asses.

So the time to upgrade will come with Intel's release of mainstream CPUs with AVX512. They claim it in 2018, but the price and working temp should be seen first. People won't go for i3 which needs watercooling under AVX512 load. If the avx offset will be a must-have, then why should people go for these high-freq cpus?
joblo
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January 23, 2018, 05:01:39 PM
 #3307

If someone really wants me to provide a special binary build I can be bribed. My tip jar has been
empty for a while. I expected some consideration for the hard work implementing 4way,
not to mention my quick response to real issues.

I can build all possible combinations of x86_64 architectures from SSE2 to AVX2 with and without
AES or SHA if sufficiently motivated. I might even put some more effort into figuring out how to
build for the older AMD CPUs.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
ETH: 0x72122edabcae9d3f57eab0729305a425f6fef6d0
agavrilyk
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January 23, 2018, 08:50:00 PM
 #3308

Good afternoon joblo.
And what do you say about the Opteron 6282 SE?
http://www.cpu-world.com/CPUs/Bulldozer/AMD-Opteron%206282%20SE.html
I want to try it.
Thank you
4ward
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January 23, 2018, 09:42:13 PM
 #3309

can you add x16r in next version?
https://bitcointalk.org/index.php?topic=2752467.0

p.s. Add LTC or ETH wallet for donations. BTC fees nowadays are way too high Wink

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Mr.Spider703
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January 23, 2018, 09:50:13 PM
 #3310

thanks for the update, after it the speed on the m7m algorithm grew from 1.5 kh to 2 kh

https://t.me/spider703  BTC-1ETPsixbwuDNJH5XvDb3kMrCr69ZFePSdK  ETH-0x7b2aEBA0EeF23445713522C96c7757159C40baDf  BCH-15Uhie1JjCmQCZxs5xvxvycdhK7TZyhy5A
joblo
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January 23, 2018, 10:46:06 PM
 #3311

can you add x16r in next version?
https://bitcointalk.org/index.php?topic=2752467.0

p.s. Add LTC or ETH wallet for donations. BTC fees nowadays are way too high Wink


Testing x16r now, can't argue about fees.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
ETH: 0x72122edabcae9d3f57eab0729305a425f6fef6d0
joblo
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January 24, 2018, 01:48:53 AM
 #3312

Good afternoon joblo.
And what do you say about the Opteron 6282 SE?
http://www.cpu-world.com/CPUs/Bulldozer/AMD-Opteron%206282%20SE.html
I want to try it.
Thank you

I don't own any AMDs si I don't have any personal experience. Based on the specs it should
work well with AES and AVX.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
ETH: 0x72122edabcae9d3f57eab0729305a425f6fef6d0
joblo
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January 24, 2018, 02:15:41 AM
 #3313

cpuminer-opt-3.8.0 released.

https://github.com/JayDDee/cpuminer-opt/releases/tag/v3.8.0

4way no longer a seperate feature, included in AVX2.
Added x16r algo for Ravencoin, anime algo for Animecoin.
More 4way optimizations for X13 and up.
Tweaked CPU affinity to better support more than 64 CPUs.
Fixed compile problem on some old AMD CPUs.

This release is a major milestone for cpuminer-opt. It essentially marks the end of
4way phase 1. 15 of the 17 functions in X17 have some form of optimization. Only
fugue and whirlpool still use unoptimized code and 4 way seems impossible on
these functions using SIMD.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
ETH: 0x72122edabcae9d3f57eab0729305a425f6fef6d0
joblo
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January 24, 2018, 02:45:29 AM
 #3314

p.s. Add LTC or ETH wallet for donations. BTC fees nowadays are way too high Wink

Good idea, in my sig.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
ETH: 0x72122edabcae9d3f57eab0729305a425f6fef6d0
Mr.Spider703
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January 24, 2018, 05:20:15 AM
 #3315

cpuminer-opt-3.8.0 released.

https://github.com/JayDDee/cpuminer-opt/releases/tag/v3.8.0

4way no longer a seperate feature, included in AVX2.
Added x16r algo for Ravencoin, anime algo for Animecoin.
More 4way optimizations for X13 and up.
Tweaked CPU affinity to better support more than 64 CPUs.
Fixed compile problem on some old AMD CPUs.

This release is a major milestone for cpuminer-opt. It essentially marks the end of
4way phase 1. 15 of the 17 functions in X17 have some form of optimization. Only
fugue and whirlpool still use unoptimized code and 4 way seems impossible on
these functions using SIMD.
great news, downloaded and went to test, thank you very much for the update

https://t.me/spider703  BTC-1ETPsixbwuDNJH5XvDb3kMrCr69ZFePSdK  ETH-0x7b2aEBA0EeF23445713522C96c7757159C40baDf  BCH-15Uhie1JjCmQCZxs5xvxvycdhK7TZyhy5A
nizzuu
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January 24, 2018, 06:18:02 AM
 #3316

joblo, please add DOGE donation adress as well.
4ward
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January 24, 2018, 11:24:10 AM
 #3317

cpuminer-opt-3.8.0 released.

https://github.com/JayDDee/cpuminer-opt/releases/tag/v3.8.0

4way no longer a seperate feature, included in AVX2.
Added x16r algo for Ravencoin, anime algo for Animecoin.
More 4way optimizations for X13 and up.
Tweaked CPU affinity to better support more than 64 CPUs.
Fixed compile problem on some old AMD CPUs.

This release is a major milestone for cpuminer-opt. It essentially marks the end of
4way phase 1. 15 of the 17 functions in X17 have some form of optimization. Only
fugue and whirlpool still use unoptimized code and 4 way seems impossible on
these functions using SIMD.

for some reason X16r shows about 4x the hashrate of the official cpuminer (by Tpuvot), while actually delivering lower hashrate and sharerate on the pool side

p.s. dropped a penny in the ETH jar Smiley

CoinLend - Earn interest on your Crypto (supports Poloniex, Bitfinex, Quoinie)
joblo
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January 24, 2018, 02:14:26 PM
 #3318

cpuminer-opt-3.8.0 released.

https://github.com/JayDDee/cpuminer-opt/releases/tag/v3.8.0

4way no longer a seperate feature, included in AVX2.
Added x16r algo for Ravencoin, anime algo for Animecoin.
More 4way optimizations for X13 and up.
Tweaked CPU affinity to better support more than 64 CPUs.
Fixed compile problem on some old AMD CPUs.

This release is a major milestone for cpuminer-opt. It essentially marks the end of
4way phase 1. 15 of the 17 functions in X17 have some form of optimization. Only
fugue and whirlpool still use unoptimized code and 4 way seems impossible on
these functions using SIMD.

for some reason X16r shows about 4x the hashrate of the official cpuminer (by Tpuvot), while actually delivering lower hashrate and sharerate on the pool side

p.s. dropped a penny in the ETH jar Smiley

Thanks for the tip. Your report about hash rate is scary because it's hard to verify. x16r by it's nature has a very volatile
hash rate and Suprnova has been notorious for displaying incorrect hash rates.

There is no difference in the miner-side hashrate calculation for x16r. I made a change for 4way to account for 4 nonces
per iteration but it applies to all 4way algos and seems to be accurate.

It'll need more data from other users to determine if there is a problem with hashrate calculation.

Edit: hash rate for x16r is more volatile with opt vs multi due to the mix of optimized and unoptimized hash functions.
X16r can theoretically run the same function 16 times. If it's an unoptimized function the hash rate with opt wil be the
same as multi. But if it's a highly optimized function the hash rate gain will be higher than average.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
ETH: 0x72122edabcae9d3f57eab0729305a425f6fef6d0
joblo
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January 24, 2018, 03:42:48 PM
 #3319

joblo, please add DOGE donation adress as well.

This is a joke, right? DOGE is a joke coin.

I don't have a ton of wallets installed, I try to keep everything in BTC but with fees as they are
it's becoming difficult to transact.

I chose ETH as a backup because of it's market cap and trading volume.

I could add BCH and BTG (I installed wallets to claim coins from BTC fork) or I could dust off my old
Darkcoin wallet (it was still Darkcoin last time I used it). I could also add LTC or XMR.

But DOGE??? Seriously???

Edit: I added LTC, BCH and BTG donation addresses to OP.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
ETH: 0x72122edabcae9d3f57eab0729305a425f6fef6d0
joblo
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January 24, 2018, 04:09:18 PM
 #3320

The plan forward.

With 4way phase 1 complete it's time to look at phase 2.

Phase 1 focussed on the SHA3 family of chained algos such as x11 (even though they are now ASIC dominated)

This was a relatively easy path that allowed me to sharpen my SIMD coding skills. Now things get more complicated.

There is still some improvement available in the same algos by converting some of the SSE2 functions to use 4way,
such as Luffa and Simd. They won't produce the same level of improvement due to their existing SIMD code but
they set the stage for AVX512 and 8way. (AVX512 is likely phase 3 or 4). IT also allows me to continue to learn new
things before tackling the bigger challenges.

Those bigger challenges include some algos that are more CPU friendly but they will require a complete rewrite.
I've done some exploratory work with one unnamed algo. There are some data dependent memory accesses
(a killer for SIMD instructions (not the algo)) but they don't seem to be a dominant part of the algo. We shall see
how it goes but it will take time.

cpuminer-opt developer, https://bitcointalk.org/index.php?topic=1326803.0
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
ETH: 0x72122edabcae9d3f57eab0729305a425f6fef6d0
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