[ANN] Bitfury ASIC sales in EU and Europe - page 59.

juhakall

sr. member

Activity: 658

Merit: 250

Quote from: arorts on September 13, 2013, 04:10:34 PM

Quote from: MXRider on September 13, 2013, 03:21:06 PM

Thank you guys for testing. Seems like these instructions are working well.

Those limits need some fine tuning so you can try these limits too:

Noncerate		Speed
<0.3		OFF
0.3-0.6		52-53
0.6-0.9		53-54
>0.9		55

What about knowing when to increase chips to something higher than 55?

After you have done the tuning MXRider already mentioned, increase all chips that perform normally from 55 to 56. Give it a couple 5 minute runs to get multiple samples of .stat.log, and note the chips that still don't produce errors. Then drop all the others back to 55. I tried this with my starter kit, and found 3 chips that run fine at 56. But at least for me, the effect on hashrate was so small that I can't distinguish it from normal variance.

pbigmoon

newbie

Activity: 59

Merit: 0

Can anyone tell me if this is normal?

No matter which h-card i put first it always runs slow around 13gh/s while the second one runs at a solid 20gh/s.

I have swapped the cards around tried different slots on the m-board but same thing so they are both capable of running at least 20gh/s.

It is it worth my while trying to optimize the first card or is the m-board broke?

Foofighter

hero member

Activity: 882

Merit: 547

BTC Mining Hardware, Trading and more

its all here:
https://bitcointalksearch.org/topic/guide-bitfury-miner-supporttuning-287590

arorts

sr. member

Activity: 408

Merit: 250

Quote from: MXRider on September 13, 2013, 03:21:06 PM

Thank you guys for testing. Seems like these instructions are working well.

Those limits need some fine tuning so you can try these limits too:

Noncerate		Speed
<0.3		OFF
0.3-0.6		52-53
0.6-0.9		53-54
>0.9		55

What about knowing when to increase chips to something higher than 55?
When should we turn the fans on? At some point high temp starts to neutralize those gains based on my experience.

btc4life

newbie

Activity: 18

Merit: 0

I have about 15 chips that seem to fluctuate and I am not quite sure yet if I should turn them off yet. I am going to check the stats periodically and keep track of the noncerate and disable them if the hash rate stays consistently low. A few of them may remain enabled as they tend to spike from the less than .3 range to the .3 to .7 range.

MXRider

sr. member

Activity: 466

Merit: 250

Thank you guys for testing. Seems like these instructions are working well.

Those limits need some fine tuning so you can try these limits too:

Noncerate		Speed
<0.3		OFF
0.3-0.6		52-53
0.6-0.9		53-54
>0.9		55

Trupik

member

Activity: 136

Merit: 13

Quote from: MXRider on September 13, 2013, 09:58:02 AM

Anyone here with a Full kit hashing under 370 GH/s? Have you tweaked your unit manually?

Let me try (SSH) or try these instrucions:
0) Do not use fans or any other active cooling
1) Set the clock speed to 55 for every chip (xx aIfDSo 55)
2) Let it hash for 10-15 minutes
3) sudo nano /run/shm/.stat.log
4) Turn off (xx aifdso 0) all the chips that are hashing slower than 0.3 GH/s
5) Lower the clock speed to 52 for every chip that is hashing 0.3-0.7 GH/s
6) Lower the clock speed to 54 for every chip that is hashing 0.7 - 1.1 GH/s
7) Save it to /opt/bitfury/best.cnf
Cool

sudo reboot

I've tried this with three Full kits and several Starter kits and it seems to VERY good way to gain some hashrate easily.

Amazing! My noncerate has just grown from 44 GH/s to 49.35 GH/s.

Micky25

legendary

Activity: 974

Merit: 1000

It seems to me that I have to revise my first impression

Quote from: Micky25 on September 06, 2013, 06:08:00 AM

For me its like the less I touch, the better it gets. Seems to be a pretty self containing ecosystem, I like that, I'm a lazy guy Cool

because

Quote from: MXRider on September 13, 2013, 09:58:02 AM

Anyone here with a Full kit hashing under 370 GH/s? Have you tweaked your unit manually?

a little fine-tuning à la MXRider indeed brought me an improvement of about 3 GH/s, stable. These chips seem to favor consistency over everything else. No autotuning, no draft, no fumbling around, constant settings are rewarded by what they were made for and like to do the most, hashing joy- and powerfull as fast as they can.

MXRider

sr. member

Activity: 466

Merit: 250

Quote from: btc4life on September 13, 2013, 10:58:59 AM

MXRider,

What kind of gains have you seen using the steps you have mentioned above?

Gains depend on how well you have already tuned your unit. This is just a general guideline to manually tune your unit without wasting precious time. I've got over 370 GH/s from every Full kit I've tried this with. So if yours is hashing slower than that, you might want to give this a try Wink

bobsag3

hero member

Activity: 546

Merit: 500

Owner, Minersource.net

@ punin
I am emailed BFSB and pmed you about reel purchase...

btc4life

newbie

Activity: 18

Merit: 0

MXRider,

What kind of gains have you seen using the steps you have mentioned above?

MXRider

sr. member

Activity: 466

Merit: 250

Anyone here with a Full kit hashing under 370 GH/s? Have you tweaked your unit manually?

Let me try (SSH) or try these instrucions:
0) Do not use fans or any other active cooling
1) Set the clock speed to 55 for every chip (xx aIfDSo 55)
2) Let it hash for 10-15 minutes
3) sudo nano /run/shm/.stat.log
4) Turn off (xx aifdso 0) all the chips that are hashing slower than 0.3 GH/s
5) Lower the clock speed to 52 for every chip that is hashing 0.3-0.7 GH/s
6) Lower the clock speed to 54 for every chip that is hashing 0.7 - 1.1 GH/s
7) Save it to /opt/bitfury/best.cnf
Cool

sudo reboot

I've tried this with three Full kits and several Starter kits and it seems to VERY good way to gain some hashrate easily.

punin

hero member

Activity: 560

Merit: 500

Quote from: integrity42 on September 12, 2013, 09:13:29 PM

Quote from: punin on September 12, 2013, 03:56:37 AM

We should be getting boards next week, so we're looking very good regarding shipping everything in time in october. We will start with preparing the 400GH units (as these require hand-picking of the cards).

Hey punin. Great work and thanks for the update. Just wondering what amount of hardware makes up a 400GH unit?

We are aiming at 16 H-cards + 1-Mboard + RasPi, but this varies depending on the hash-rate we get from the cards. Some august units consisted of 2 M-boards to fulfill the promised 400GH performance per unit.

integrity42

full member

Activity: 476

Merit: 100

Quote from: punin on September 12, 2013, 03:56:37 AM

We should be getting boards next week, so we're looking very good regarding shipping everything in time in october. We will start with preparing the 400GH units (as these require hand-picking of the cards).

Hey punin. Great work and thanks for the update. Just wondering what amount of hardware makes up a 400GH unit?

punin

hero member

Activity: 560

Merit: 500

Quote from: gingernuts on September 12, 2013, 02:38:59 PM

@Punin - I have a couple of questions if I may:

Are the reels of chips tested and/or speed binned, or is it pot-luck how many of the chips will work and if they do, how fast they'll hash?

Do you have any plans to sell quantities of < 1 reel at prices that would make buying chips rather than H-boards an option? The pre-order option of lots of 10 chips was rather nice!

Cheers.

Our chips have not been binned. Due to our design, we're seeing extremely high yields on our chips, and although there are differences in speed, we feel that binning is hardly worth the effort. Should there be a higher than 0.5-1% failure rate, we would consider compensating.

We will continue to sell small quantities to anyone interested, but at this time we have very few chips left in trays. The price will be adjusted shortly. It's a loss business for me actually, but I think it's important to have smaller amounts of affordable chips available for prototyping etc.

gingernuts

member

Activity: 89

Merit: 10

@Punin - I have a couple of questions if I may:

Are the reels of chips tested and/or speed binned, or is it pot-luck how many of the chips will work and if they do, how fast they'll hash?

Do you have any plans to sell quantities of < 1 reel at prices that would make buying chips rather than H-boards an option? The pre-order option of lots of 10 chips was rather nice!

Cheers.

Trupik

member

Activity: 136

Merit: 13

A word of warning to those of you, who are working on your own case for BirFury: the 6-32 screws (used for PC case and 3.5" HDD) won't fit through the holes in the M-Board. You need instead to use the smaller M3-0.5 screw (used for DVD-ROM mounting in PC). It is very tight fit even with the M3 and because of that there is very limited margin for inaccuracy. Undecided

Punin: it would be nice to have the holes slightly larger in the future M-Board revisions.

fractal02

hero member

Activity: 504

Merit: 500

$Profile photo of fractal02$

Quote from: punin on September 12, 2013, 12:50:24 PM

I can send the unit to different address provided it's in the same country, and you send new address before we ship.

Thank you Punin Wink

punin

hero member

Activity: 560

Merit: 500

Quote from: fractal02 on September 12, 2013, 09:12:43 AM

@Punin : i send you some mails and contacted via website : no answers.
Can you answers to my questions please Wink

Thank you

I can send the unit to different address provided it's in the same country, and you send new address before we ship.

fractal02

hero member

Activity: 504

Merit: 500

$Profile photo of fractal02$

@Punin : i send you some mails and contacted via website : no answers.
Can you answers to my questions please Wink

Thank you

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