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Bitcoin Discussion Thread Part 2

ValeX said:
I believe it would fall back dynamically.
We should start a coalition of miners, have everyone stop mining for 2 weeks so the difficulty drops to nothing, then mine up TONS of coins before the difficulty goes up again :)
Click to expand...

Thats exactly why I was asking :-P
Maybe all these DDoS's arent so bad after all.. Especially on deepbit :D
 
Yeah I know about that, I just wanted to keep it simple...
I could've explained it in biological terms drawing parallels with the operon model of gene expression but why complicate things. /shrug
 
Evil Juggalo said:
If we experience a difficulty decrease, does it fall back to the previous difficulty, or does it dynamically change based on the speed of blocks solved.

for example... if everyone stopped mining for 2 weeks would the difficulty drop drastically to almost the start.. Or would it just fall back a certain % or roll back to a previous difficulty
Click to expand...

It always adjusts dynamically. I'm sure you can find the equation that's used, but basically, the system is always trying to maintain 2016 blocks found in two weeks.
 
Quick question:Should i take a single HD6950 1GB or a HD6870 Hawk 1GB with a HD5770 Hawk?

The HD6870 Hawk has the same price with the HD6950 o_O
 
Is this new or used hardware? The 6870+5770 combo will do more Mhash/s that's for sure. At least 520MH/s together, which is a lot more than any unlocked + overclocked 6950 will ever do. You'd have run the numbers with power consumption in mind though: www.kaptain.me/btc_calc.php

P.S: Personally, I'd never buy a 6870 for mining since I can get the same performance from the far cheaper 5830. They both have the same number of shaders.
 
The 5770 would be the used one while the HD6xxx is the new one.

I think i'll get the 6950 first then get the 5770 when someone sells them,after i pay the debt for the 6950 lol.The 5770 is the most hunted right now,i contact a guy after seeing his thread about selling a 5770 Hawk (only 10 minutes after it was created) and he said he had already sold it.
P.S: Personally, I'd never buy a 6870 for mining since I can get the same performance from the far cheaper 5830. They both have the same number of shaders.
Click to expand...
I can't find any 5830 in my region,they're sold out everywhere.
 
Too bad i couldn't get one of those.In my region,a new 5770 Hawk costs $180 while an used one costs around $140-150.
And a reference 6950 1GB also costs $310.
*rage*
 
At those prices it may not even be worth mining. It would take months to just pay off the hardware.
 
ValeX said:
I believe it would fall back dynamically.
We should start a coalition of miners, have everyone stop mining for 2 weeks so the difficulty drops to nothing, then mine up TONS of coins before the difficulty goes up again :)
Click to expand...
That's accurate but not entirely true.

If everyone stopped mining, technically the difficulty wouldn't change. Because it'll never hit the next 2016 block for adjustment.

Even if its able to hit the next adjustment and difficulty get's pushed down to almost nothing and everyones turns on mining again, you'll be able to hit the next 2016 block adjustment in minutes (probably not even) before a new adjustment is made.
 
Zerosum said:
That's accurate but not entirely true.

If everyone stopped mining, technically the difficulty wouldn't change. Because it'll never hit the next 2016 block for adjustment.

Even if its able to hit the next adjustment and difficulty get's pushed down to almost nothing and everyones turns on mining again, you'll be able to hit the next 2016 block adjustment in minutes (probably not even) before a new adjustment is made.
Click to expand...

Would save on electric costs at least lol.
 
EDIT: read below please, forget the text before the EDIT.

Everyone, I just started mining with a new pool called:

pool.betcoin.co

It just got off the ground, and it's been really stable over the last few days. I calculated my own efficiency at ~99%. If any of you are the victim of an unstable pool (BitcoinPool has been having problems recently) and you want to join a startup, I'd recommend coming to this pool. Maybe if lots of [H] people join it will become the unofficial Bitcoin pool of the [H] :D.

Happy mining :).

EDIT: sethmo recommended a better pool, arsbitcoin.com . It is at 110 GH right now, it online almost 100% of the time, and has a good community (all by sethmo's admission). I just started using this pool too, and I can vouch for the short term that it works well. I suggest this pool, NOT the one above, which is just starting up.
 
Last edited:
Lorien said:
Looks like another scam pool and they barely have 5GH/s rofl. Yup, this is most likely another pyramid scheme pool.
Click to expand...
3.7 gh/s as I type this.
Suuuure, integrity. They want to keep it limited to 100 dolts so as to not dilute the payments for the people on top.
Click to expand...
Hey, what do you know. Look who's #3 in the pool.
Code: 
 3    XacTactX  21,171
 
My first post in this thread, but I've been folding since June 20th or so (since I read about the MTGox hack.)

I just ordered 2 5830's... going to run them crossfire in games, with PDXLAN next weekend, even tho they're not great cards they'll be a sizable upgrade from the 4850 I have.

Also, the 3rd best card I could buy for mining in the $ Per MHash/sec category.

According to my math, the 6770 is $5 cheaper on Newegg than the 5770 ($94.99 vs $99.99.) Though they share the same core, it averages faster MHash/sec (more mature I guess?) according the the mining hardware wiki page.

Also, I plan on throwing them in a couple Socket 775 rigs that need video cards and selling those on Craigslist. I don't see why I couldn't get a $300 to $400 for a C2D E6400, 2GB ram, a decent HDD, and a HD5830 for a budget machine. Most people in my area are trying to unload Pentium 4 machines for less than $150. :eek:
 
I don't get why it's a scam just because it's new and it has a cap on the maximum #, but what pools are you guys on? Are they reliable, and up almost 100% of the time? I'd like to find a pool that is...
 
XacTactX said:
I don't get why it's a scam just because it's new and it has a cap on the maximum #, but what pools are you guys on? Are they reliable, and up almost 100% of the time? I'd like to find a pool that is...
Click to expand...

There are only 12 workers and the pools total hash is less than my personal mining setup. Not hard to keep up time on that. With that hash rate you may never even find a block lol.
 
I am have been in www.arsbitcoin.com for about two weeks. Right now it has about 110ghash, no fees(donation optional), almost 100% uptime, good community. I think once in the last two weeks one of my miners sat idle until I restarted it. Could have been an issue on my end.
 
Guys I have one other question. If you have two GPUs, is it better to put them in CrossFire and run both, or turn off CrossFire and use a dummy plug? I have the option of doing both, but I'm doing CF right now and I want to know if it's worth it to dummy the second one.

Thanks a bunch.

sethmo said:
I am have been in www.arsbitcoin.com for about two weeks. Right now it has about 110ghash, no fees(donation optional), almost 100% uptime, good community. I think once in the last two weeks one of my miners sat idle until I restarted it. Could have been an issue on my end.
Click to expand...

Thank you for the info. I'm now mining for this pool and I like it, the payout seems like it will be more linear compared to a proportional payout. ~98% EFF too. :)
 
XacTactX said:
If you have two GPUs, is it better to put them in CrossFire and run both, or turn off CrossFire and use a dummy plug?
Click to expand...

I don't believe Crossfire offers any benefits to mining. I tried using a dummy plug but it made my cpu utilization stick at 50%. I just start GUIMiner on each card and leave it be.
 
Meiji said:
I don't believe Crossfire offers any benefits to mining. I tried using a dummy plug but it made my cpu utilization stick at 50%. I just start GUIMiner on each card and leave it be.
Click to expand...

Correct, and with the catalyst 11.7 preview drivers you no longer need a dummy plug.
 
Noob question:How can i change to slush's new server on guiminer?

Currently:
88fb61a1f2332373457a972178a99200.png
 
Guys, this is something I personally like to do, is experiment with the different settings to find out which one will give the absolute highest hashrate and performance for my specific scenario. But I can't find any page which explains the names and functions of all the different possible flags.

Could someone please point me to a link(s) for both poclbm and Phoenix that explain the different flags, their functions, and acceptable values?, so I can experiment?

Thanks a bunch for letting me swim in your coffer of knowledge. ;)
 
XacTactX said:
Guys, this is something I personally like to do, is experiment with the different settings to find out which one will give the absolute highest hashrate and performance for my specific scenario. But I can't find any page which explains the names and functions of all the different possible flags.

Could someone please point me to a link(s) for both poclbm and Phoenix that explain the different flags, their functions, and acceptable values?, so I can experiment?

Thanks a bunch for letting me swim in your coffer of knowledge. ;)
Click to expand...
There really isn't a single source for all of that, just search this thread and the Bitcoin forum and you should have a good idea of where to start. You will have to apply each one and test it out, it differs from GPU to GPU.
 
Dallows... gotta start somewhere...

I'm getting .19 BTC a day...

Ordered 2 5830's on friday...

Once they're going it'll be .64 BTC a day.

And on and on till My 1st goal of 2.32 BTC a day... at that point, Mining is paying all my bills.
 
Just found a 5850 Direct Cu with the same price as the 6950 2GB reference.According to This,the 6950 has slightly better hash rate than 5850.

So which one should i take?I really don't trust the DC line tbh,the PCB is longer than usual and the temp is not really great.
 
If the 6950 can be unlocked it will be superior to that 5850 hands down, but you'll be using an extra ~50-70W but that can be mitigated by downlocking the memory. I'd personally go for the 6950 since newer hardware always has better resale value. In fact I'm thinking of picking up a pair of open box 6950s from newegg myself.
 
I averaged 2.9btc/day last week on ARSBitcoin before they went to PPS(Pool got lucky many times :) ) @ 1950mhash. Now with PPS and 1950mhash, I am getting 1.2-1.4btc/day.

About to unleash another 1200mhash if I can get my second Ubuntu rig to boot past grub.
 
Silent Knight said:
Just found a 5850 Direct Cu with the same price as the 6950 2GB reference.According to This,the 6950 has slightly better hash rate than 5850.

So which one should i take?I really don't trust the DC line tbh,the PCB is longer than usual and the temp is not really great.
Click to expand...

Just to note I've owned 2 different Asus Direct CU cards and they both rock. Temps are amazing and fan noise is almost non-existent. In fact my mining machine is using this http://www.newegg.com/Product/Product.aspx?Item=N82E16814121437 right now and I couldn't be happier.
 
sethmo said:
I averaged 2.9btc/day last week on ARSBitcoin before they went to PPS(Pool got lucky many times :) ) @ 1950mhash. Now with PPS and 1950mhash, I am getting 1.2-1.4btc/day.

About to unleash another 1200mhash if I can get my second Ubuntu rig to boot past grub.
Click to expand...

i have to personally thank you for this suggestion
 
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