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Topic: [ANN] microCoin MRC - alcurEX - Scrypt-Jane - nFactor - page 90. (Read 374705 times)

member
Activity: 61
Merit: 10
So what sort of difficulty retargeting does MRC use ? Am I getting this right that although the net Hash has dropped 300%+ we are still on pretty much the same difficulty and hence getting 3x fewer coins ?

I wonder if there is a bug or we are missing something in the picture, because my expectation was about the same - n-factor rises but difficulty drops.

well, difficulty drops, but very very slowly :-(
member
Activity: 61
Merit: 10
i get app. 130k from my 280x'es


Without any HW errors and using I 12 ?

my settings:

=====================
R9 280X 3GB
=====================
--scrypt --Nfmin 4 --Nfmax 30 --StartT 1389028879 --gpu-engine 1100 --gpu-memclock 1600 --gpu-powertune 30 --temp-target 90 --queue 0 --scan-time 1 --expiry 10 --no-submit-stale --lookup-gap 2 --thread-concurrency 16384 -I 12 -g 2 -w 256
legendary
Activity: 1596
Merit: 1006
So what sort of difficulty retargeting does MRC use ? Am I getting this right that although the net Hash has dropped 300%+ we are still on pretty much the same difficulty and hence getting 3x fewer coins ?

I wonder if there is a bug or we are missing something in the picture, because my expectation was about the same - n-factor rises but difficulty drops.
Difficulty drop because hash drop. It is correct way.
sr. member
Activity: 248
Merit: 250
So what sort of difficulty retargeting does MRC use ? Am I getting this right that although the net Hash has dropped 300%+ we are still on pretty much the same difficulty and hence getting 3x fewer coins ?

I wonder if there is a bug or we are missing something in the picture, because my expectation was about the same - n-factor rises but difficulty drops.
full member
Activity: 229
Merit: 100
i get app. 130k from my 280x'es


Without any HW errors and using I 12 ?
member
Activity: 61
Merit: 10
i get app. 130k from my 280x'es
full member
Activity: 229
Merit: 100
same as ultracoin
increase the tc to 16384,others remain the same and everything will be fine

tips appreciated
1JST4RD5pUVDTGbX6hV2ZmURvCY3a6m6Z5

This only gives me roughly 30mhash on I12, vs 80 on I11/thread concurrency 8192
my 280x
--Nfmin 4 --Nfmax 30 --StartT 1389028879 --queue 0 --scan-time 2 --expiry 4 --thread-concurrency 16384 -g 2 -I 12 -w 256 -Q 0 -E 10 --lookup-gap 2

150K per 280x,with no hw



Are you actually mining MRC with those settings or Ultracoin ?

This gives my 150k per card yes but full of HW errors...

full member
Activity: 229
Merit: 100
So what sort of difficulty retargeting does MRC use ? Am I getting this right that although the net Hash has dropped 300%+ we are still on pretty much the same difficulty and hence getting 3x fewer coins ?
sr. member
Activity: 364
Merit: 250
No prob. I think i'll reduce it further later on (maybe 8 or even 4). It's gonna take a while to mine the main network diff down though so expect a few bad rounds... stick with it guys, wherever you are mining, it'll be worth it in the long run!

I need to go afk for a couple of ours but i'll be in full on MRC mode when i get back! Grin

sr. member
Activity: 248
Merit: 250
Thanks,

With the new n-factor i was getting an unusual high number of rejects.
I will try to force a lower diff on the miner as well.
sr. member
Activity: 364
Merit: 250
Guys - i have dropped the minimum difficulty on the pool down to 16 (may reduce further later) so you should all find it a lot easier to get shares accepted.

The historical data on the blocks page is going to be off as it's all calculated based on the OLD high difficulties.

I'll be doing a major code update on the pool over the weekend and will clean it all up and make it a better place to be for you guys. Wink

Enjoy

Nut

sr. member
Activity: 248
Merit: 250
Not sure why diff stay so high after n-factor kicked in  Angry

apparently people are still mining
full member
Activity: 182
Merit: 100
Not sure why diff stay so high after n-factor kicked in  Angry
sr. member
Activity: 462
Merit: 250
BTW why the diff so damn high when the n factor kills in Huh

+1 on this one.
Btw people, set intensity to 11 with the new nfactor. you get roughly 80Mhash on an 280X. No hw errors.
As stated on OP page.

you mean 80khash right? Huh

Yeah, sorry had an mixup.

However as stated above people seem to get it to 150 by keeping Intensity but adjusting threads, im not able to yet though...
full member
Activity: 238
Merit: 100
BTW why the diff so damn high when the n factor kills in Huh

+1 on this one.
Btw people, set intensity to 11 with the new nfactor. you get roughly 80Mhash on an 280X. No hw errors.
As stated on OP page.

you mean 80khash right? Huh
sr. member
Activity: 248
Merit: 250
same as ultracoin
increase the tc to 16384,others remain the same and everything will be fine


What do you mean increase, i was running 27400 before Smiley
I am running 290x
I was getting about 407kh/s per card before, now i am struggling to go over 207
sorry some information missing,i mean 280x/7970..

It says 290x just above your post.

I managed to get about 203 withouth HW errors with the commands from digitalixz's post

--scrypt --Nfmin 4 --Nfmax 30 --StartT 1389028879 -d 0,1 -g 1 -w 64 -v 1 -I 18 -l 1 --thread-concurrency 51000,51000 --no-restart -Q 0 -s 1 -E 1 --gpu-powertune 30 --gpu-engine 1110,1110 --gpu-memclock 1400,1400 --scan-time 2 --expiry 4

sr. member
Activity: 462
Merit: 250
same as ultracoin
increase the tc to 16384,others remain the same and everything will be fine

tips appreciated
1JST4RD5pUVDTGbX6hV2ZmURvCY3a6m6Z5

This only gives me roughly 30mhash on I12, vs 80 on I11/thread concurrency 8192
my 280x
--Nfmin 4 --Nfmax 30 --StartT 1389028879 --queue 0 --scan-time 2 --expiry 4 --thread-concurrency 16384 -g 2 -I 12 -w 256 -Q 0 -E 10 --lookup-gap 2

150K per 280x,with no hw

And you get accepted shares?
Hmm...
Anyone else getting only half with I12?

Im only getting 7khash on that setting  Tongue
full member
Activity: 182
Merit: 100
same as ultracoin
increase the tc to 16384,others remain the same and everything will be fine


What do you mean increase, i was running 27400 before Smiley
I am running 290x
I was getting about 407kh/s per card before, now i am struggling to go over 207
sorry some information missing,i mean 280x/7970..
sr. member
Activity: 248
Merit: 250
same as ultracoin
increase the tc to 16384,others remain the same and everything will be fine


What do you mean increase, i was running 27400 before Smiley
I am running 290x
I was getting about 407kh/s per card before, now i am struggling to go over 207
full member
Activity: 182
Merit: 100
same as ultracoin
increase the tc to 16384,others remain the same and everything will be fine

tips appreciated
1JST4RD5pUVDTGbX6hV2ZmURvCY3a6m6Z5

This only gives me roughly 30mhash on I12, vs 80 on I11/thread concurrency 8192
my 280x
--Nfmin 4 --Nfmax 30 --StartT 1389028879 --queue 0 --scan-time 2 --expiry 4 --thread-concurrency 16384 -g 2 -I 12 -w 256 -Q 0 -E 10 --lookup-gap 2

150K per 280x,with no hw
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