[Chugalug] ButterFly ASIC Single arrived -- My review

James Nylen jnylen at gmail.com
Tue Sep 3 13:50:49 UTC 2013


Eric,

Why not write a shell script to run cgminer in a loop?


On Mon, Sep 2, 2013 at 10:28 PM, Eric Wolf <ebwolf at gmail.com> wrote:

> I have 24 of the USB ASICminers running for the past couple weeks.
> Unfortunately, I paid a lot more than the current $35/each (about double
> that). Here's my current stats on the Eligius pool:
>
>
> http://eligius.st/~wizkid057/newstats/userstats.php/19sEUv2owYEKGNgdAyB3Az9FLYZPf8bhm1
>
> In addition to the USB miners, you also need decent, powered USB hubs.
> These things are very sensitive to the quality of the hubs. I tried a few
> different ones and ended up using the "standard" Anker 9-port USB3 hubs.
> You also really need to build usblib and cgminer locally. But once you get
> it stable, it just runs. About every other day, I get a core dump on
> CGMiner and have to restart. As you can see from the stats, I don't always
> notice and restart in a timely manner. The great thing about the USB miners
> is the low cost of entry.
>
> -Eric
>
>
> -=--=---=----=----=---=--=-=--=---=----=---=--=-=-
> Eric B. Wolf                           720-334-7734
>
>
>
>
> On Mon, Sep 2, 2013 at 8:08 PM, Lynn Dixon <boodaddy at gmail.com> wrote:
>
>> Phil,
>> I have been kicking around the idea of picking some of these up.  My BTC
>> hardware budget has been spent on Monarchs, but I am still seriously
>> considering getting a few of these things.
>>
>> Several of the fab companies in China have gotten ahold of the few ASIC
>> designs out there (since China doesnt care about patents and copyrights),
>> and they have been making these little miners for several months now.  I
>> know some folks that have a few dozen of them, and are quite happy with
>> them. With these suckers on the market performing the same as a 7950 and
>> 7970 GPU on fractions of the power, and fractions of the cost, they are
>> definately worth the money to buy.  Especially since they are in good
>> supply now.
>> The only negative I have heard about them is that most of them are
>> passive cooling, and they can get a bit warm.  So long as you have them
>> mining in a well ventilated area, you should be alright.  Most of the folks
>> I know running them wanted to pack them close together for density, but
>> they dont cool well enough for that.  They need several inches of clearance
>> for good airflow to keep cool.
>>
>> They have almost negiblible power consumption, so that will substantially
>> reduce your variable costs. When you go building a rig with these things,
>> you have to keep in mind you will need USB powered hubs, since most USB
>> busses cant handle more than a few.
>>
>> In my opinion, if you are wanting to get into mining, right now, those
>> things are a great way to go.  You can manage your total initial investment
>> better, since they are lower cost, and you can get them shipped
>> immediately. Their low power will help you see returns on them for a good
>> while.
>>
>> Hope that helps!
>>
>>
>> On Mon, Sep 2, 2013 at 9:48 PM, Phil Sieg <phil.sieg at gmail.com> wrote:
>>
>>> Lynn,
>>>
>>> How do you feel about the little USB ASIC's that do about 330 Mh/s? each
>>> one seems to be about equal to a $400 video card, and they are $26-33 each.
>>>
>>> I am interested enough to "play" and $1000 bucks of these on one of my
>>> extra computers has ONE huge advantage...they are shipping NOW.
>>>
>>> Seems like 9-10 Gh/s for $1,000 plus equipment I have lying around, and
>>> almost free electricity might be a place to start. I am not keen on placing
>>> an order and waiting who knows how many months while the BTC market is in
>>> constant flux (this is my single largest objection).
>>>
>>> Thoughts? Any second hand knowledge of these little monsters?
>>>
>>>  Phil Sieg
>>> President
>>> SeniorTech LLC / snapfōn®
>>> www.snapfon.com
>>> phil.sieg at seniortechllc.com
>>>
>>> Phone: 423.535.9968
>>> Fax: 423.265.9820
>>> Mobile: 423.331.0725
>>>
>>> *"The computer is the most remarkable tool that we've ever come up
>>> with. It's the equivalent of a bicycle for our minds."
>>>
>>> *
>>> *Steve Jobs, 1955-2011*
>>>
>>>
>>>
>>>
>>> On Sep 2, 2013, at 9:35 PM, Lynn Dixon <boodaddy at gmail.com> wrote:
>>>
>>> Ill be honest with you, I don't see BFL hitting their estimated ship
>>> dates.  They have never made a promised ship date.  I can tell you that
>>> they do indeed deliver products, and the products they deliver are
>>> excellent quality.
>>>
>>>
>>> On Mon, Sep 2, 2013 at 3:53 PM, Keith <uspatentpending at gmail.com> wrote:
>>>
>>>> Thanks, Lynn.
>>>>
>>>> As soon as I read your review and responded I went looking at bfl's
>>>> website again. The monarch is probably where I would drop the cash.
>>>>
>>>> I doubt I can swing more than one without my wife shooting me, but it'd
>>>> be nice to have two or three running if possible.
>>>>
>>>> BFL seems to think they can make their dates this time. I'll let you
>>>> guys know if I take the plunge and how it turns out.
>>>>
>>>> That would be my first BTC rig, so I'd probably be hitting you guys up
>>>> for advice.
>>>>
>>>> Thanks,
>>>> Keith
>>>> On Sep 1, 2013 10:11 PM, "Lynn Dixon" <boodaddy at gmail.com> wrote:
>>>>
>>>>> Keith,
>>>>> I can't find my blasted watt meter to measure power consumption.  I
>>>>> can't remember if I leant it out to someone, or if I have just misplaced it.
>>>>>
>>>>> I am guessing that my unit is in about the same lines as all the other
>>>>> BFL 60GHash singles shipped, and thats anywhere from 350 to 375 watts of
>>>>> power, which is extremely effecient when compared to one of my 500 Mhash
>>>>> GPU consuming 250 to 300 watts.
>>>>>
>>>>> It's hard to say if buying now would net you quick profits. I would
>>>>> look at some of the calculators that are out there.  My favorie is the one
>>>>> at http://mining.thegenesisblock.com/  since it allows you to easily
>>>>> tweak the numbers to give different scenarios.   Keep in mind that alot of
>>>>> companies are beginning to ship ASIC's now, and BFL has announced their
>>>>> Monarch which is a 600 GHash unit that runs on around 300 watts in a nice
>>>>> PCI-E form factor to make it super dense.
>>>>>
>>>>>
>>>>> On Sun, Sep 1, 2013 at 7:54 PM, Keith <uspatentpending at gmail.com>wrote:
>>>>>
>>>>>> Hi Lynn,
>>>>>>
>>>>>> Have you tested the power usage for it yet?
>>>>>>
>>>>>> In your opinion would it be worth it to order one of these now, or is
>>>>>> it basically too late?
>>>>>>
>>>>>> Thanks,
>>>>>> Keith
>>>>>> On Sep 1, 2013 2:00 PM, "Lynn Dixon" <boodaddy at gmail.com> wrote:
>>>>>>
>>>>>>>  For those interested in Bitcoin on the lug, I have finally
>>>>>>> received my first Butterfly Labs Single.
>>>>>>>
>>>>>>> Here's a quick review:
>>>>>>> Well packaged during shipping, and was shipped USPS 2-day priorty
>>>>>>> mail with signature required.
>>>>>>>
>>>>>>> The build quality is fantastic.  Really nice brushed aluminum black
>>>>>>> case that has rounded edges and corners, and a nice laster etched Butterfly
>>>>>>> Labs logo.  The power supply brick was about 1.5 times larger than your
>>>>>>> typical Xbox 360 power brick for comparison.  The power brick has a built
>>>>>>> in cooling fan which I thought was pretty slick. The ASIC miner uses PCI-e
>>>>>>> power connectors and the power brick is outfitted with PCI-e plugs as well.
>>>>>>>  Overall its a very well designed and well built piece of hardware.  I am
>>>>>>> really happy with it.
>>>>>>>
>>>>>>> Now, the good part. How well does it run?  In a nutshell...like a
>>>>>>> dream.  It has been a little over 24 hours, and it has already generated me
>>>>>>> just over .5 BTC (about $70). It has some really powerful fans that are a
>>>>>>> bit louder than I had hoped, but I honestly can't hear it in my datacloset.
>>>>>>>  I used BFL's EasyMiner for the first 24 hours just to get the full
>>>>>>> experience.  I am planning on swithching over to CGMiner in afew days.
>>>>>>>
>>>>>>> Here is a screenshot of Easyminer, and the performance:
>>>>>>> http://i.imgur.com/smdFgjD.jpg
>>>>>>>
>>>>>>> Another screen snippet of the asic running compared to one of my
>>>>>>> GPU's on EclipseMC mining pool:  http://i.imgur.com/5ozLrQa.jpg
>>>>>>>
>>>>>>> EasyMiner has a cool "earnings" section that pulls the latest
>>>>>>> difficulty and latest exchange rates to give you an idea of your scheduled
>>>>>>> earnings.  Right now, its looking like this 60GH/s rig should return about
>>>>>>> $2000 per month. This is pertty consistent with all of the other ROI
>>>>>>> calculators I have used.
>>>>>>>
>>>>>>> Financial analysis:
>>>>>>> At the current difficulty and exchanges, this rig should generate
>>>>>>> about .45 - .5 BTC per day, which is about $65 - $70 average per day.  Most
>>>>>>> calculators I have used puts monthly revenue at around $1800 - $2000 per
>>>>>>> month.
>>>>>>> Here is my numbers plugged into TheGenesisBlock's calculator:
>>>>>>> http://mining.thegenesisblock.com/a/5f1c18143a
>>>>>>>
>>>>>>> I purchased my 60 GH/s unit for about $1375 back in June of last
>>>>>>> year, and I am figuring about a 3 to 5 week payoff period, and calculating
>>>>>>> a 75% increase in difficulty per month in my ROI estimation.
>>>>>>>
>>>>>>> This thing was well worth the wait. Butterfly labs may be horrible
>>>>>>> at meeting deadlines, but they are really good at designing a product. This
>>>>>>> thing runs great, looks awesome, and is generating an impresive ROI.  After
>>>>>>> mining with it for a full day, I have already placed my pre-order for some
>>>>>>> Monarchs:
>>>>>>> https://products.butterflylabs.com/homepage-new-products/600-gh-bitcoin-mining-card.html
>>>>>>>
>>>>>>> Feel free to discuss, but please, lets keep this BTC thread civil
>>>>>>> and on topic :-)
>>>>>>>
>>>>>>> _______________________________________________
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>>>>>>>
>>>>>>>
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