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Author Topic: [ANN]: cpuminer-opt v3.7.10, open source optimized multi-algo CPU miner  (Read 390416 times)
zTheWolfz
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January 26, 2016, 09:21:41 AM
 #201

Forgot to mention the numbers I last posted are from mining x11. More numbers coming I'll just add to this post.

System: EVGA SR2 Intel x2 OC 3.3Ghz 21 cores in VB

x15.usa.nicehash.com:3339
[2016-01-26 03:37:10] accepted: 5/5 (100.00%), 412.61 kH/s yes!
[2016-01-26 03:37:17] CPU #15: 19.77 kH/s
[2016-01-26 03:37:17] accepted: 6/6 (100.00%), 412.80 kH/s yes!
[2016-01-26 03:37:30] CPU #0: 19.72 kH/s
[2016-01-26 03:37:30] accepted: 7/7 (100.00%), 413.08 kH/s yes!
[2016-01-26 03:37:33] CPU #6: 19.66 kH/s
[2016-01-26 03:37:33] accepted: 8/8 (100.00%), 413.08 kH/s yes!
[2016-01-26 03:37:35] CPU #18: 19.68 kH/s
[2016-01-26 03:37:37] Stratum difficulty set to 0.01
[2016-01-26 03:37:37] x15.usa.nicehash.com:3339 x15 block 85823

quark.usa.nicehash.com:3345
[2016-01-26 03:40:46] accepted: 2/2 (100.00%), 881.24 kH/s yes!
[2016-01-26 03:40:59] CPU #2: 42.48 kH/s
[2016-01-26 03:40:59] accepted: 3/3 (100.00%), 880.33 kH/s yes!
[2016-01-26 03:41:03] CPU #11: 42.58 kH/s
[2016-01-26 03:41:03] accepted: 4/4 (100.00%), 881.15 kH/s yes!
[2016-01-26 03:41:10] Stratum difficulty set to 0.02

x13.usa.nicehash.com:3337
[2016-01-26 10:20:38] accepted: 159/159 (100.00%), 480.78 kH/s yes!
[2016-01-26 10:21:23] x13.usa.nicehash.com:3337 x13 block 875258


Oh well looks like NiceHash server went off line, I'll do more test at a later time.
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joblo
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January 26, 2016, 10:16:21 AM
 #202

Is it correct that "SSE2: No"?
AFAICS, it runs fast anyway.

Checking CPU capatibility...
        Intel(R) Core(TM) i5 CPU         760  @ 2.80GHz
AES_NI: No.
SSE2: No, start mining without optimizations...

[2016-01-26 10:17:55] Starting Stratum on stratum+tcp://hashpower.co:3533
[2016-01-26 10:17:56] 4 miner threads started, using 'x11' algorithm.
[2016-01-26 10:17:56] Stratum difficulty set to 0.016
[2016-01-26 10:17:56] hashpower.co:3533 x11 block 1821843
[2016-01-26 10:17:56] hashpower.co:3533 x11 block 108239
[2016-01-26 10:18:01] CPU #1: 57.09 kH/s
[2016-01-26 10:18:01] CPU #0: 56.81 kH/s
[2016-01-26 10:18:01] CPU #2: 53.73 kH/s
[2016-01-26 10:18:02] CPU #3: 52.40 kH/s
[2016-01-26 10:18:18] CPU #0: 56.23 kH/s
[2016-01-26 10:18:18] CPU #3: 53.29 kH/s
[2016-01-26 10:18:18] CPU #1: 56.55 kH/s
[2016-01-26 10:18:18] CPU #2: 56.11 kH/s


Nope, it's a bug. I think it will be irelevant when I implement X86_64 compiling.
But  "-march=x86_64" won't configure. I don't know if it's the wrong target name or
if GCC has dumped support for it. Maybe I need to install some compat packages.  

Edit: just checking your output again. even though it says no for SSE2 it should
still the SSE2 kernel. Formyour hashrate it appears to be normal for  and i5 SSE2.
I guess the early corei didn't have AES_NI. Do you want to give it try to make sure?
Just edit cpu-miner.c:1949 and hardcode cpu_aesni=true. Then compile with AES_NI
enabled and let me know if it works.

Thanks

Edit2: I intalled the x86_64 cross compiler and it still doesn;t work.

Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
https://bitcointalk.org/index.php?topic=1326803.0
joblo
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January 26, 2016, 10:41:19 AM
 #203


Mining with an Intel GPU? I need to look into that.

No source? I want to import the Intel GPU mining. I wanna expand my territory.

Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
https://bitcointalk.org/index.php?topic=1326803.0
pallas
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January 26, 2016, 10:57:24 AM
 #204

Is it correct that "SSE2: No"?
AFAICS, it runs fast anyway.

Checking CPU capatibility...
        Intel(R) Core(TM) i5 CPU         760  @ 2.80GHz
AES_NI: No.
SSE2: No, start mining without optimizations...

[2016-01-26 10:17:55] Starting Stratum on stratum+tcp://hashpower.co:3533
[2016-01-26 10:17:56] 4 miner threads started, using 'x11' algorithm.
[2016-01-26 10:17:56] Stratum difficulty set to 0.016
[2016-01-26 10:17:56] hashpower.co:3533 x11 block 1821843
[2016-01-26 10:17:56] hashpower.co:3533 x11 block 108239
[2016-01-26 10:18:01] CPU #1: 57.09 kH/s
[2016-01-26 10:18:01] CPU #0: 56.81 kH/s
[2016-01-26 10:18:01] CPU #2: 53.73 kH/s
[2016-01-26 10:18:02] CPU #3: 52.40 kH/s
[2016-01-26 10:18:18] CPU #0: 56.23 kH/s
[2016-01-26 10:18:18] CPU #3: 53.29 kH/s
[2016-01-26 10:18:18] CPU #1: 56.55 kH/s
[2016-01-26 10:18:18] CPU #2: 56.11 kH/s


Nope, it's a bug. I think it will be irelevant when I implement X86_64 compiling.
But  "-march=x86_64" won't configure. I don't know if it's the wrong target name or
if GCC has dumped support for it. Maybe I need to install some compat packages.  

Edit: just checking your output again. even though it says no for SSE2 it should
still the SSE2 kernel. Formyour hashrate it appears to be normal for  and i5 SSE2.
I guess the early corei didn't have AES_NI. Do you want to give it try to make sure?
Just edit cpu-miner.c:1949 and hardcode cpu_aesni=true. Then compile with AES_NI
enabled and let me know if it works.

Thanks

It doesn't support AES, it's a Nehalem.
I think the miner should be compiled with the best "-march" as it will impact the performance of most kernels, regardless how far your optimisations will go.
On a side note, I've found out that -march=native may lead to slower binaries than -march=<the best for your cpu>

joblo
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January 26, 2016, 11:04:25 AM
 #205

Is it correct that "SSE2: No"?
AFAICS, it runs fast anyway.

Checking CPU capatibility...
        Intel(R) Core(TM) i5 CPU         760  @ 2.80GHz
AES_NI: No.
SSE2: No, start mining without optimizations...

[2016-01-26 10:17:55] Starting Stratum on stratum+tcp://hashpower.co:3533
[2016-01-26 10:17:56] 4 miner threads started, using 'x11' algorithm.
[2016-01-26 10:17:56] Stratum difficulty set to 0.016
[2016-01-26 10:17:56] hashpower.co:3533 x11 block 1821843
[2016-01-26 10:17:56] hashpower.co:3533 x11 block 108239
[2016-01-26 10:18:01] CPU #1: 57.09 kH/s
[2016-01-26 10:18:01] CPU #0: 56.81 kH/s
[2016-01-26 10:18:01] CPU #2: 53.73 kH/s
[2016-01-26 10:18:02] CPU #3: 52.40 kH/s
[2016-01-26 10:18:18] CPU #0: 56.23 kH/s
[2016-01-26 10:18:18] CPU #3: 53.29 kH/s
[2016-01-26 10:18:18] CPU #1: 56.55 kH/s
[2016-01-26 10:18:18] CPU #2: 56.11 kH/s


Nope, it's a bug. I think it will be irelevant when I implement X86_64 compiling.
But  "-march=x86_64" won't configure. I don't know if it's the wrong target name or
if GCC has dumped support for it. Maybe I need to install some compat packages.  

Edit: just checking your output again. even though it says no for SSE2 it should
still the SSE2 kernel. Formyour hashrate it appears to be normal for  and i5 SSE2.
I guess the early corei didn't have AES_NI. Do you want to give it try to make sure?
Just edit cpu-miner.c:1949 and hardcode cpu_aesni=true. Then compile with AES_NI
enabled and let me know if it works.

Thanks

It doesn't support AES, it's a Nehalem.
I think the miner should be compiled with the best "-march" as it will impact the performance of most kernels, regardless how far your optimisations will go.
On a side note, I've found out that -march=native may lead to slower binaries than -march=<the best for your cpu>

AFAIK corei7-avx is tops do you know of anything better?

Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
https://bitcointalk.org/index.php?topic=1326803.0
joblo
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January 26, 2016, 11:05:38 AM
 #206

Is it correct that "SSE2: No"?
AFAICS, it runs fast anyway.

Checking CPU capatibility...
        Intel(R) Core(TM) i5 CPU         760  @ 2.80GHz
AES_NI: No.
SSE2: No, start mining without optimizations...

[2016-01-26 10:17:55] Starting Stratum on stratum+tcp://hashpower.co:3533
[2016-01-26 10:17:56] 4 miner threads started, using 'x11' algorithm.
[2016-01-26 10:17:56] Stratum difficulty set to 0.016
[2016-01-26 10:17:56] hashpower.co:3533 x11 block 1821843
[2016-01-26 10:17:56] hashpower.co:3533 x11 block 108239
[2016-01-26 10:18:01] CPU #1: 57.09 kH/s
[2016-01-26 10:18:01] CPU #0: 56.81 kH/s
[2016-01-26 10:18:01] CPU #2: 53.73 kH/s
[2016-01-26 10:18:02] CPU #3: 52.40 kH/s
[2016-01-26 10:18:18] CPU #0: 56.23 kH/s
[2016-01-26 10:18:18] CPU #3: 53.29 kH/s
[2016-01-26 10:18:18] CPU #1: 56.55 kH/s
[2016-01-26 10:18:18] CPU #2: 56.11 kH/s


Nope, it's a bug. I think it will be irelevant when I implement X86_64 compiling.
But  "-march=x86_64" won't configure. I don't know if it's the wrong target name or
if GCC has dumped support for it. Maybe I need to install some compat packages.  

Edit: just checking your output again. even though it says no for SSE2 it should
still the SSE2 kernel. Formyour hashrate it appears to be normal for  and i5 SSE2.
I guess the early corei didn't have AES_NI. Do you want to give it try to make sure?
Just edit cpu-miner.c:1949 and hardcode cpu_aesni=true. Then compile with AES_NI
enabled and let me know if it works.

Thanks

I intalled the x86_64 cross compiler and it still doesn't work.

Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
https://bitcointalk.org/index.php?topic=1326803.0
joblo
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January 26, 2016, 11:20:45 AM
 #207


Cool. I didn't mean slack was obsolete, just that people who like it are old school.
I've played with it but never any real work. At one time I had 8 different distros
multibooted on 2 20GB HDDs running on a pentium 1. Now the're all in VMs.

A guy I used to work with was a slackware fan. Give him the keyboard, toss the mouse,
and he could do magic. He's was also pretty sharp in networking, knew his protocols
inside out.

I started using Linux with Slackware 2.0 :-)

RH 5.2 for me, bought the CDs. I discovered Slack around v5 or 6, when PV was sick
and out of action for a while.

Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
https://bitcointalk.org/index.php?topic=1326803.0
pallas
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January 26, 2016, 11:50:36 AM
 #208

It doesn't support AES, it's a Nehalem.
I think the miner should be compiled with the best "-march" as it will impact the performance of most kernels, regardless how far your optimisations will go.
On a side note, I've found out that -march=native may lead to slower binaries than -march=<the best for your cpu>

AFAIK corei7-avx is tops do you know of anything better?

The best is your right chipset name:

https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/i386-and-x86-64-Options.html

pallas
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January 26, 2016, 12:55:58 PM
 #209

a little speedup by better compiling:

Intel(R) Core(TM) i5 CPU         760  @ 2.80GHz
AES_NI: No.
SSE2: No, start mining without optimizations...
[....]
[2016-01-26 13:39:37] accepted: 7/7 (100.00%), 224.92 kH/s yes!

about 5-10% more by using this commandline (to be adapted to your own cpu):

./configure CFLAGS="-march=nehalem -Ofast -DNO_AES_NI" CXXFLAGS=$CFLAGS --with-crypto --with-curl

and remember to "make clean"

zTheWolfz
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January 26, 2016, 01:58:08 PM
 #210

a little speedup by better compiling:

Intel(R) Core(TM) i5 CPU         760  @ 2.80GHz
AES_NI: No.
SSE2: No, start mining without optimizations...
[....]
[2016-01-26 13:39:37] accepted: 7/7 (100.00%), 224.92 kH/s yes!

about 5-10% more by using this commandline (to be adapted to your own cpu):

./configure CFLAGS="-march=nehalem -Ofast -DNO_AES_NI" CXXFLAGS=$CFLAGS --with-crypto --with-curl

and remember to "make clean"

Think any of this would help me to get a completion compile on the problem AMD system I posted about a few pages back?

https://bitcointalk.org/index.php?topic=1326803.msg13657053#msg13657053
pallas
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January 26, 2016, 02:22:48 PM
 #211

a little speedup by better compiling:

Intel(R) Core(TM) i5 CPU         760  @ 2.80GHz
AES_NI: No.
SSE2: No, start mining without optimizations...
[....]
[2016-01-26 13:39:37] accepted: 7/7 (100.00%), 224.92 kH/s yes!

about 5-10% more by using this commandline (to be adapted to your own cpu):

./configure CFLAGS="-march=nehalem -Ofast -DNO_AES_NI" CXXFLAGS=$CFLAGS --with-crypto --with-curl

and remember to "make clean"

Think any of this would help me to get a completion compile on the problem AMD system I posted about a few pages back?

https://bitcointalk.org/index.php?topic=1326803.msg13657053#msg13657053


the cpu doesn't look to have AES: did you try compiling with -DNO_AES_NI?

pallas
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January 26, 2016, 02:30:31 PM
 #212

Even more (x11):

[2016-01-26 15:00:11] accepted: 6/6 (100.00%), 229.12 kH/s yes!

With:

./configure CFLAGS="-march=nehalem -Ofast -fomit-frame-pointer -Wno-write-strings -funroll-loops -fvariable-expansion-in-unroller -ftree-loop-if-convert-stores -fmerge-all-constants -fbranch-target-load-optimize -fsched2-use-superblocks -DNO_AES_NI -DSPH_SMALL_FOOTPRINT_HAVAL -DSPH_KECCAK_UNROLL=1 -DSPH_KECCAK_NOCOPY -DSPH_KECCAK_INTERLEAVE=0 -DSPH_SMALL_FOOTPRINT_SHA2" CXXFLAGS=$CFLAGS --with-crypto --with-curl

YMMV

joblo
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January 26, 2016, 05:09:51 PM
 #213

It doesn't support AES, it's a Nehalem.
I think the miner should be compiled with the best "-march" as it will impact the performance of most kernels, regardless how far your optimisations will go.
On a side note, I've found out that -march=native may lead to slower binaries than -march=<the best for your cpu>

AFAIK corei7-avx is tops do you know of anything better?

The best is your right chipset name:

https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/i386-and-x86-64-Options.html

I was looking for something like that. It works down to nocona, only one generation
older than core2 and the first with X86_64. It looks like the legacy code can be tossed
unless I want to try supporting 32 bit. Naaah.

I will include a link to that page in the build instructions.

Edit: Core2 includes SSE4.1 and I recall seeing some hooks for that in the code. I may be able
to define a new second tier for core 2 and better and improve their performance.

Edit2: I tried haswell down to sandybride and none worked. corei7-avx worked. I'll do some
performance comparisons to see if it makes a difference on my haswell.

Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
https://bitcointalk.org/index.php?topic=1326803.0
joblo
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January 26, 2016, 05:12:28 PM
 #214

Even more (x11):

[2016-01-26 15:00:11] accepted: 6/6 (100.00%), 229.12 kH/s yes!

With:

./configure CFLAGS="-march=nehalem -Ofast -fomit-frame-pointer -Wno-write-strings -funroll-loops -fvariable-expansion-in-unroller -ftree-loop-if-convert-stores -fmerge-all-constants -fbranch-target-load-optimize -fsched2-use-superblocks -DNO_AES_NI -DSPH_SMALL_FOOTPRINT_HAVAL -DSPH_KECCAK_UNROLL=1 -DSPH_KECCAK_NOCOPY -DSPH_KECCAK_INTERLEAVE=0 -DSPH_SMALL_FOOTPRINT_SHA2" CXXFLAGS=$CFLAGS --with-crypto --with-curl

YMMV

Did you get that from Wolf0's cryptonight? Yet another thing to look into is all those compiler switches.
Some are obvious by their name but other I have no clue, yet.

Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
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pallas
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January 26, 2016, 05:43:38 PM
 #215

Even more (x11):

[2016-01-26 15:00:11] accepted: 6/6 (100.00%), 229.12 kH/s yes!

With:

./configure CFLAGS="-march=nehalem -Ofast -fomit-frame-pointer -Wno-write-strings -funroll-loops -fvariable-expansion-in-unroller -ftree-loop-if-convert-stores -fmerge-all-constants -fbranch-target-load-optimize -fsched2-use-superblocks -DNO_AES_NI -DSPH_SMALL_FOOTPRINT_HAVAL -DSPH_KECCAK_UNROLL=1 -DSPH_KECCAK_NOCOPY -DSPH_KECCAK_INTERLEAVE=0 -DSPH_SMALL_FOOTPRINT_SHA2" CXXFLAGS=$CFLAGS --with-crypto --with-curl

YMMV

Did you get that from Wolf0's cryptonight? Yet another thing to look into is all those compiler switches.
Some are obvious by their name but other I have no clue, yet.

Some from Wolf0, some I found myself, some I don't remember...
Some are included into the generic -O optimisation switch: the best to try are -O3 and -Ofast.
The defines could be integrated into the code as defaults, if they benefit most cpus.

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January 26, 2016, 05:56:52 PM
 #216

./configure CFLAGS="-march=native -Ofast" CXXFLAGS=$CFLAGS --with-crypto --with-curl
...

Checking CPU capatibility...
        Intel(R) Core(TM) i5-4570S CPU @ 2.90GHz
AES_NI: Yes, start mining with AES_NI optimizations...

[2016-01-26 18:53:10] Starting Stratum on stratum+tcp://hashpower.co:3533
[2016-01-26 18:53:10] 4 miner threads started, using 'x11' algorithm.
[2016-01-26 18:53:10] Stratum difficulty set to 0.016
[2016-01-26 18:53:10] hashpower.co:3533 x11 block 108404

....

[2016-01-26 18:56:41] CPU #1: 120.05 kH/s
[2016-01-26 18:56:41] CPU #0: 108.78 kH/s
[2016-01-26 18:56:41] CPU #3: 122.82 kH/s
[2016-01-26 18:56:41] CPU #2: 124.79 kH/s
[2016-01-26 18:56:56] CPU #0: 111.53 kH/s
[2016-01-26 18:56:56] accepted: 2/2 (100.00%), 479.18 kH/s yes!
[2016-01-26 18:57:19] CPU #3: 124.94 kH/s
[2016-01-26 18:57:19] accepted: 3/3 (100.00%), 481.30 kH/s yes!
[2016-01-26 18:57:30] CPU #3: 126.10 kH/s
[2016-01-26 18:57:30] accepted: 4/4 (100.00%), 482.45 kH/s yes!

Mining Hobbyist
zTheWolfz
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January 26, 2016, 06:41:39 PM
 #217

a little speedup by better compiling:

Intel(R) Core(TM) i5 CPU         760  @ 2.80GHz
AES_NI: No.
SSE2: No, start mining without optimizations...
[....]
[2016-01-26 13:39:37] accepted: 7/7 (100.00%), 224.92 kH/s yes!

about 5-10% more by using this commandline (to be adapted to your own cpu):

./configure CFLAGS="-march=nehalem -Ofast -DNO_AES_NI" CXXFLAGS=$CFLAGS --with-crypto --with-curl

and remember to "make clean"

Think any of this would help me to get a completion compile on the problem AMD system I posted about a few pages back?

https://bitcointalk.org/index.php?topic=1326803.msg13657053#msg13657053


the cpu doesn't look to have AES: did you try compiling with -DNO_AES_NI?
I just tried that and still get errors. maybe someone could help me on this one I'm a real noob with this stuff.

./configure CFLAGS="-march=?HuhHuh?? -Ofast" CXXFLAGS=$CFLAGS --with-crypto --with-curl HuhHuh??

Code:
Processors Information
-------------------------------------------------------------------------

Processor 1 ID = 0
Number of cores 8 (max 8)
Number of threads 8 (max 8)
Name AMD Opteron 6124
Codename Magny-Cours
Specification AMD Opteron(tm) Processor 6124 HE
Package Socket G34 (1974)
CPUID F.9.1
Extended CPUID 10.9
Core Stepping HY-D1
Technology 45 nm
TDP Limit 74.4 Watts
Core Speed 1039.8 MHz
Multiplier x Bus Speed 4.0 x 259.9 MHz
HT Link speed 2859.4 MHz
Stock frequency 1800 MHz
Instructions sets MMX (+), 3DNow! (+), SSE, SSE2, SSE3, SSE4A, x86-64, AMD-V
L1 Data cache 8 x 64 KBytes, 2-way set associative, 64-byte line size
L1 Instruction cache 8 x 64 KBytes, 2-way set associative, 64-byte line size
L2 cache 8 x 512 KBytes, 16-way set associative, 64-byte line size
L3 cache 10 MBytes, 96-way set associative, 64-byte line size
FID/VID Control yes
FID range 4.0x - 9.0x
Max VID 1.050 V
# of P-States 5
P-State FID 0x2 - VID 0x2F - IDD 6 (9.00x - 0.962 V)
P-State FID 0x0 - VID 0x31 - IDD 6 (8.00x - 0.937 V)
P-State FID 0x10A - VID 0x34 - IDD 5 (6.50x - 0.900 V)
P-State FID 0x106 - VID 0x35 - IDD 4 (5.50x - 0.887 V)
P-State FID 0x100 - VID 0x37 - IDD 4 (4.00x - 0.862 V)


Package Type 0x3
Model 25
String 1 0x0
String 2 0x0
Page 0x0
CmpCap 8
ApicIdCoreSize 16
TDC Limit 48 Amps
Boosted P-States 0
Max non-turbo ratio 9.00x
Max turbo ratio 9.00x
Max CPU COF 18
Core Performance Boost no
P-State 0, FID 0x2 - VID 0x2F (9.00x - 0.962 V)
P-State 1, FID 0x0 - VID 0x31 (8.00x - 0.937 V)
P-State 2, FID 0x10A - VID 0x34 (6.50x - 0.900 V)
P-State 3, FID 0x106 - VID 0x35 (5.50x - 0.887 V)
P-State 4, FID 0x100 - VID 0x37 (4.00x - 0.862 V)
Attached device PCI device at bus 0, device 24, function 0
Attached device PCI device at bus 0, device 24, function 1
Attached device PCI device at bus 0, device 24, function 2
Attached device PCI device at bus 0, device 24, function 3
Attached device PCI device at bus 0, device 24, function 4
TSC 2339.8 MHz

Temperature 0 29°C (84°F) [0xE8] (Core #0)
Power 0 27.60 W (Package)

joblo
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January 26, 2016, 06:46:29 PM
 #218


Mining with an Intel GPU? I need to look into that.

No source? I want to import the Intel GPU mining. I wanna expand my territory.

Went googling, found out cgminer 3.7 supports Intel GPU mining. Hard to find files,
recent version dropped support.

Found a source file and a windows binary that only does blake256. Haven't got the
source compiled yet but gave the binary a spin with wine and blake at zpool.

It found the GPU, connected to the pool and started hashing, but... all rejects.
Maybe an incompatible form of blake. It's a start.

Why is iy everytime I say I'm going to give windows another shot something
really, really interesting pops up?

Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
https://bitcointalk.org/index.php?topic=1326803.0
zTheWolfz
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January 26, 2016, 06:57:04 PM
 #219

This line seems to have worked will know in a few mins. if it mines. I'm guessing this could be tweaked more if this get its started?

./configure CFLAGS="-march=bdver1 -Ofast" CXXFLAGS=$CFLAGS --with-crypto --with-curl
joblo
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January 26, 2016, 06:57:34 PM
 #220

a little speedup by better compiling:

Intel(R) Core(TM) i5 CPU         760  @ 2.80GHz
AES_NI: No.
SSE2: No, start mining without optimizations...
[....]
[2016-01-26 13:39:37] accepted: 7/7 (100.00%), 224.92 kH/s yes!

about 5-10% more by using this commandline (to be adapted to your own cpu):

./configure CFLAGS="-march=nehalem -Ofast -DNO_AES_NI" CXXFLAGS=$CFLAGS --with-crypto --with-curl

and remember to "make clean"

Think any of this would help me to get a completion compile on the problem AMD system I posted about a few pages back?

https://bitcointalk.org/index.php?topic=1326803.msg13657053#msg13657053


the cpu doesn't look to have AES: did you try compiling with -DNO_AES_NI?
I just tried that and still get errors. maybe someone could help me on this one I'm a real noob with this stuff.

./configure CFLAGS="-march=?HuhHuh?? -Ofast" CXXFLAGS=$CFLAGS --with-crypto --with-curl HuhHuh??

Code:
Processors Information
-------------------------------------------------------------------------

Processor 1 ID = 0
Number of cores 8 (max 8)
Number of threads 8 (max 8)
Name AMD Opteron 6124
Codename Magny-Cours
Specification AMD Opteron(tm) Processor 6124 HE
Package Socket G34 (1974)
CPUID F.9.1
Extended CPUID 10.9
Core Stepping HY-D1
Technology 45 nm
TDP Limit 74.4 Watts
Core Speed 1039.8 MHz
Multiplier x Bus Speed 4.0 x 259.9 MHz
HT Link speed 2859.4 MHz
Stock frequency 1800 MHz
Instructions sets MMX (+), 3DNow! (+), SSE, SSE2, SSE3, SSE4A, x86-64, AMD-V
L1 Data cache 8 x 64 KBytes, 2-way set associative, 64-byte line size
L1 Instruction cache 8 x 64 KBytes, 2-way set associative, 64-byte line size
L2 cache 8 x 512 KBytes, 16-way set associative, 64-byte line size
L3 cache 10 MBytes, 96-way set associative, 64-byte line size
FID/VID Control yes
FID range 4.0x - 9.0x
Max VID 1.050 V
# of P-States 5
P-State FID 0x2 - VID 0x2F - IDD 6 (9.00x - 0.962 V)
P-State FID 0x0 - VID 0x31 - IDD 6 (8.00x - 0.937 V)
P-State FID 0x10A - VID 0x34 - IDD 5 (6.50x - 0.900 V)
P-State FID 0x106 - VID 0x35 - IDD 4 (5.50x - 0.887 V)
P-State FID 0x100 - VID 0x37 - IDD 4 (4.00x - 0.862 V)


Package Type 0x3
Model 25
String 1 0x0
String 2 0x0
Page 0x0
CmpCap 8
ApicIdCoreSize 16
TDC Limit 48 Amps
Boosted P-States 0
Max non-turbo ratio 9.00x
Max turbo ratio 9.00x
Max CPU COF 18
Core Performance Boost no
P-State 0, FID 0x2 - VID 0x2F (9.00x - 0.962 V)
P-State 1, FID 0x0 - VID 0x31 (8.00x - 0.937 V)
P-State 2, FID 0x10A - VID 0x34 (6.50x - 0.900 V)
P-State 3, FID 0x106 - VID 0x35 (5.50x - 0.887 V)
P-State 4, FID 0x100 - VID 0x37 (4.00x - 0.862 V)
Attached device PCI device at bus 0, device 24, function 0
Attached device PCI device at bus 0, device 24, function 1
Attached device PCI device at bus 0, device 24, function 2
Attached device PCI device at bus 0, device 24, function 3
Attached device PCI device at bus 0, device 24, function 4
TSC 2339.8 MHz

Temperature 0 29°C (84°F) [0xE8] (Core #0)
Power 0 27.60 W (Package)



First post your console session with your command line and error messages. *
And stick with the instructions in the READme.md file.

You've got an AMD Opteron 64 so try to find a match
https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/i386-and-x86-64-Options.html

* I can be prickly, so be careful with your questions, This is your first warning.
    I'm not trying to be mean, it just happens, so don't take it personally. Well
    formulated questions with supporting data and a demonstration you did
    your best to solve it will always get the best response (and not just from me).


Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
https://bitcointalk.org/index.php?topic=1326803.0
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