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Author Topic: [ANN] ccminer 2.2 - opensource - GPL (tpruvot)  (Read 316499 times)
Epsylon3
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November 06, 2015, 11:18:49 PM
 #401

Released the 1.7 today with quark and lyra2v2 SM2.1 Compatibily

Ready for the winter with that...

BTC: 1FhDPLPpw18X4srecguG3MxJYe4a1JsZnd - My Projects: ccminer - cpuminer-multi - yiimp - Forum threads : ccminer - cpuminer-multi - yiimp
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pallas
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November 06, 2015, 11:19:54 PM
 #402

Thanks very much Sir!

chrysophylax
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November 07, 2015, 12:18:34 AM
 #403

Released the 1.7 today with quark and lyra2v2 SM2.1 Compatibily

Ready for the winter with that...

testing when i get in to the office today ...

tanx ...

#crysx

grn - Gfz2cXMkhMZYWSFvLEMnM8bXk7X5Mtq2J2 . exchange - https://www.cryptopia.co.nz/Exchange/?market=GRN_BTC . cwi thread - https://bitcointalk.org/index.php?topic=1563601 . email - crysx@gnxs.com .
kama
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November 07, 2015, 04:19:38 PM
 #404

hello dev do you planning to add neoscrypt sm 2.1 support ?

Epsylon3
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November 07, 2015, 06:04:50 PM
 #405

no, this algo is too slow even on recent cards

maybe whirlpoolx

BTC: 1FhDPLPpw18X4srecguG3MxJYe4a1JsZnd - My Projects: ccminer - cpuminer-multi - yiimp - Forum threads : ccminer - cpuminer-multi - yiimp
kenshirothefist
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November 08, 2015, 12:54:39 PM
 #406

So, you added support for compute capability 2.1, but not 2.0? Any reason for that? Both are Fermi architecture...

Keep up the good work!

Epsylon3
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November 08, 2015, 01:39:59 PM
 #407

reason is simple, i cant test on SM 2.0 :p only have an old GTX 460 which is 2.1

but from what ive read, its only fine tuning like -mtune, both should be handled/compatible

BTC: 1FhDPLPpw18X4srecguG3MxJYe4a1JsZnd - My Projects: ccminer - cpuminer-multi - yiimp - Forum threads : ccminer - cpuminer-multi - yiimp
bittamak
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November 08, 2015, 01:50:11 PM
 #408

My McAfee won't allow me to download the latest version 1.7.0 where as it doesn't complain with 1.6.6 ...anything its detecting false positive with the latest version?
Epsylon3
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November 08, 2015, 02:02:03 PM
 #409

I dont know, both are compiled the same, on the same system. I seriously begin to hate these Anti virus

Maybe they need to test it before, or are waiting user feedback, i dont know and i dont care about that.

You said to download ? from github ?

BTC: 1FhDPLPpw18X4srecguG3MxJYe4a1JsZnd - My Projects: ccminer - cpuminer-multi - yiimp - Forum threads : ccminer - cpuminer-multi - yiimp
bittamak
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November 08, 2015, 02:10:48 PM
 #410

Yes.. from github, windows version ...  Embarrassed
chrysophylax
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November 08, 2015, 02:25:09 PM
 #411

I dont know, both are compiled the same, on the same system. I seriously begin to hate these Anti virus

Maybe they need to test it before, or are waiting user feedback, i dont know and i dont care about that.

You said to download ? from github ?

heuristics used in all current antivirus applications will ALWAYS have false positive responses to those apps that have similar type signatures to the viral signature ...

this does NOT mean its a virus - but of a pain in the backside when releasing new code that the heuristics engine does not know ...

so the machine that you are using to compile these windows packages is probably clean epsylon3 - its just the anti-virus packages need to 'learn' that you package is not a virus ( or contains one ) ...

#crysx

grn - Gfz2cXMkhMZYWSFvLEMnM8bXk7X5Mtq2J2 . exchange - https://www.cryptopia.co.nz/Exchange/?market=GRN_BTC . cwi thread - https://bitcointalk.org/index.php?topic=1563601 . email - crysx@gnxs.com .
Epsylon3
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November 08, 2015, 02:27:19 PM
 #412

Yes, if you have doubts, use the x64 one which is a bit slower but use the exact same code/upx packer :p it also allow nvml api use (pstate and power limit)

BTC: 1FhDPLPpw18X4srecguG3MxJYe4a1JsZnd - My Projects: ccminer - cpuminer-multi - yiimp - Forum threads : ccminer - cpuminer-multi - yiimp
chrysophylax
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November 08, 2015, 02:49:15 PM
 #413

Yes, if you have doubts, use the x64 one which is a bit slower but use the exact same code/upx packer :p it also allow nvml api use (pstate and power limit)

i dont use windows - so i dont have this issue Wink ...

though there are limitations with oc parameters in linux ...

#crysx

grn - Gfz2cXMkhMZYWSFvLEMnM8bXk7X5Mtq2J2 . exchange - https://www.cryptopia.co.nz/Exchange/?market=GRN_BTC . cwi thread - https://bitcointalk.org/index.php?topic=1563601 . email - crysx@gnxs.com .
Epsylon3
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November 08, 2015, 02:51:16 PM
 #414

Same on windows, admin rights and some unlock to do...

BTC: 1FhDPLPpw18X4srecguG3MxJYe4a1JsZnd - My Projects: ccminer - cpuminer-multi - yiimp - Forum threads : ccminer - cpuminer-multi - yiimp
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November 08, 2015, 03:14:14 PM
 #415

Same on windows, admin rights and some unlock to do...

do you know whether nvidia have included the 'lower' class cards ( like our gigabyte 750ti oc lp cards ) are included in the list of cards supported for oc in the newer nvidia update? ...

i cant seem to find this info anywhere - as nvidia did not support oc with these cards with cuda 6.5 ...

#crysx

grn - Gfz2cXMkhMZYWSFvLEMnM8bXk7X5Mtq2J2 . exchange - https://www.cryptopia.co.nz/Exchange/?market=GRN_BTC . cwi thread - https://bitcointalk.org/index.php?topic=1563601 . email - crysx@gnxs.com .
Epsylon3
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November 08, 2015, 03:24:32 PM
 #416

No, its maybe why the 950 is there, to replace the 750ti which seems different about software power limits. There is a setting in bios, but i dont think its tunable on the fly

BTC: 1FhDPLPpw18X4srecguG3MxJYe4a1JsZnd - My Projects: ccminer - cpuminer-multi - yiimp - Forum threads : ccminer - cpuminer-multi - yiimp
ZeroFossilFuel
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November 09, 2015, 12:04:57 PM
 #417

I've always gone with what was stated in the wiki. I'm pretty sure the same info is stated on the nVidia web site as well. I will gladly try compiling for 3.0 and see if it works. Probably not till tomorrow though. Will report back my results. thanks all for chipping in to help.  Smiley

Z
Just reporting back that yes indeed, building for SM3.0 for my card that nVidia and the Wiki both state is 3.5 did the trick. Looking through the makefile of ccminer 1.2 I see that it was building for both 3.0 and 3.5 so that's why it worked. Some bitquark (quark algo) hashrate comparisons from that machine:

ccminer 1.2 = ~1200KH/s
ccminer 1.6.6 = ~950KH/s

A little disappointed with that. Hoping the share rates are higher to compensate but that's harder to gauge. I'll be trying 1.7 tonight.

BTQ - 1HyTqd6phXRmYi2C8CCpXGV89qkLKgzPQN  Website  YouTube
joblo
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November 09, 2015, 04:12:06 PM
 #418

I've always gone with what was stated in the wiki. I'm pretty sure the same info is stated on the nVidia web site as well. I will gladly try compiling for 3.0 and see if it works. Probably not till tomorrow though. Will report back my results. thanks all for chipping in to help.  Smiley

Z
Just reporting back that yes indeed, building for SM3.0 for my card that nVidia and the Wiki both state is 3.5 did the trick. Looking through the makefile of ccminer 1.2 I see that it was building for both 3.0 and 3.5 so that's why it worked. Some bitquark (quark algo) hashrate comparisons from that machine:

ccminer 1.2 = ~1200KH/s
ccminer 1.6.6 = ~950KH/s

A little disappointed with that. Hoping the share rates are higher to compensate but that's harder to gauge. I'll be trying 1.7 tonight.

Glad to see you got it sorted out and thanks for sharing your results, even though they weren't as you hoped.

One of the side effects of optimized code is it's more specialized. Another example of an older miner being better
on older HW is neoscrypt. A new optimed neoscrypt kernel was added to 1.5.59-SP_MOD that significantly
improved performance on Maxwell but lowered kepler (780ti) performance. I'm not sure which version is
included in the TPruvot fork.

I tried analyzing the code to see where the significant differences were and made a few changes where I thought
it would affect perfomance but I couldn't find the critical code. I guess my c++ skills and cuda knowledge aren't
good enough.

I have 5 ways to fix this it, listed in increassing order of sophistication.

1. Simply use an older miner when mining neoscrypt on older HW.

2. Replace the neoscrypt source directory with an older version before compiling for 3.5.

3. I managed to put together a hack to select the appropriate neoscrypt kernel based on the architecture.
It's a run time switch meaning that both kernels need to be compiled into every SM version binary and the
appropriate kernel is chosen at run time.

4. A compile time solution would be preferable where only the appropriate neoscrypt kernel is built into each SM binary.
It seems only device code can make use of  __CUDA_ARCH__ at compile time so the differences in host code need
to be handled differently.

5. A unified kernel where only the critical code is architecture dependant.

I've done 1, 2 & 3 successfully and take a look at 4 when I get motivated. I think 5 is beyond my skill level.
I'm currenly using 1 because my 780ti is in a rig all by itself and I don't need to support multiple architectures.
I think this contributes to my lack of motivation along with age and rust. However if there is interest it might
be enough to get me out of my rocking chair and put on my old coding hat.


Principal developer of cpuminer-opt, the optimized multi-algo CPU miner.
BTC donation address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT
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sp_
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November 09, 2015, 06:55:49 PM
 #419

I've always gone with what was stated in the wiki. I'm pretty sure the same info is stated on the nVidia web site as well. I will gladly try compiling for 3.0 and see if it works. Probably not till tomorrow though. Will report back my results. thanks all for chipping in to help.  Smiley
Z
Just reporting back that yes indeed, building for SM3.0 for my card that nVidia and the Wiki both state is 3.5 did the trick. Looking through the makefile of ccminer 1.2 I see that it was building for both 3.0 and 3.5 so that's why it worked. Some bitquark (quark algo) hashrate comparisons from that machine:
ccminer 1.2 = ~1200KH/s
ccminer 1.6.6 = ~950KH/s
A little disappointed with that. Hoping the share rates are higher to compensate but that's harder to gauge. I'll be trying 1.7 tonight.

With the current prices you will make $0,05775 of mining quark 24 H @ 1MHASH

Old hardware is a waste of power. Supporting the old hardware is a waste of time...

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Dont Panic
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November 10, 2015, 05:11:17 PM
 #420

Old hardware is a waste of power. Supporting the old hardware is a waste of time...

Well there are plenty of "hobbiest" miners, like myself who are just playing around with older kit, who'd would be very happy with the updated software and its features Wink

FYI on my Nvidia GT430 (Compute 2.1) on a Win7 PC, mining X11  I get 235 Kh/s (reported by the software) using ccminer21 ver 1.0 beta and 202Kh/s using ccminer 1.7-dev (so if you can tweak it a little I'd be very happy!). The video card is also running at a higher overall utilisation running the newer software while delivering the lower reported hashing rate.

Thanks for the work on ccminer.

 Smiley



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