Topic: What's Intensity(I),g,thread concurrency? (Read 1823 times)
You are referring to cgminer options obviously so read the scrypt-readme file. (That applies on older versions only since the latest ones no longer support scrypt)
RTFM
I needed a cheap replacement for my graphics card so I picked this 7790 up :http://www.amazon.com/gp/product/B00BZCXZ0E/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1
I am getting about 200k any idea what settings I could use to bump that up a little? Currently using the settings from the OP.
I am getting about 200k any idea what settings I could use to bump that up a little? Currently using the settings from the OP.
You should get along fine with a I-16 to 18. Once you get over that your card tends to lag and you get more rejects. Its up to you how happy you are. I try to target under 1% accept/reject.
GPU only options:
--auto-fan Automatically adjust all GPU fan speeds to maintain a target temperature
--auto-gpu Automatically adjust all GPU engine clock speeds to maintain a target temperature
--device|-d Select device to use, (Use repeat -d for multiple devices, default: all)
--disable-gpu|-G Disable GPU mining even if suitable devices exist
--gpu-threads|-g Number of threads per GPU (1 - 10) (default: 2)
--gpu-dyninterval Set the refresh interval in ms for GPUs using dynamic intensity (default: 7)
--gpu-engine GPU engine (over)clock range in Mhz - one value, range and/or comma separated list (e.g. 850-900,900,750-850)
--gpu-fan GPU fan percentage range - one value, range and/or comma separated list (e.g. 25-85,85,65)
--gpu-map Map OpenCL to ADL device order manually, paired CSV (e.g. 1:0,2:1 maps OpenCL 1 to ADL 0, 2 to 1)
--gpu-memclock Set the GPU memory (over)clock in Mhz - one value for all or separate by commas for per card.
--gpu-memdiff Set a fixed difference in clock speed between the GPU and memory in auto-gpu mode
--gpu-powertune Set the GPU powertune percentage - one value for all or separate by commas for per card.
--gpu-reorder Attempt to reorder GPU devices according to PCI Bus ID
--gpu-vddc Set the GPU voltage in Volts - one value for all or separate by commas for per card.
--intensity|-I Intensity of GPU scanning (d or -10 -> 10, default: d to maintain desktop interactivity)
--kernel|-k Override kernel to use (diablo, poclbm, phatk or diakgcn) - one value or comma separated
--ndevs|-n Enumerate number of detected GPUs and exit
--no-restart Do not attempt to restart GPUs that hang
--temp-hysteresis Set how much the temperature can fluctuate outside limits when automanaging speeds (default: 3)
--temp-overheat Overheat temperature when automatically managing fan and GPU speeds (default: 85)
--temp-target Target temperature when automatically managing fan and GPU speeds (default: 75)
--vectors|-v Override detected optimal vector (1, 2 or 4) - one value or comma separated list
--worksize|-w Override detected optimal worksize - one value or comma separated list
SCRYPT only options:
--lookup-gap Set GPU lookup gap for scrypt mining, comma separated
--thread-concurrency Set GPU thread concurrency for scrypt mining, comma separated
See SCRYPT-README for more information regarding litecoin mining.
--auto-fan Automatically adjust all GPU fan speeds to maintain a target temperature
--auto-gpu Automatically adjust all GPU engine clock speeds to maintain a target temperature
--device|-d
--disable-gpu|-G Disable GPU mining even if suitable devices exist
--gpu-threads|-g
--gpu-dyninterval
--gpu-engine
--gpu-fan
--gpu-map
--gpu-memclock
--gpu-memdiff
--gpu-powertune
--gpu-reorder Attempt to reorder GPU devices according to PCI Bus ID
--gpu-vddc
--intensity|-I
--kernel|-k
--ndevs|-n Enumerate number of detected GPUs and exit
--no-restart Do not attempt to restart GPUs that hang
--temp-hysteresis
--temp-overheat
--temp-target
--vectors|-v
--worksize|-w
SCRYPT only options:
--lookup-gap
--thread-concurrency
See SCRYPT-README for more information regarding litecoin mining.
What temperature are you getting for your cards at this setting?
Well I hope someone can answer your question in detail but here is a little LIMITED information based on my own experience:
Finding the right settings for your setup is trial and error and can take a while to get it to its full potential all the setting published are only really a guide.
I run a Sapphire R9 290X 4GB under the following:
TC: 26612
GPU-Threads: 1 (this is 'g')
Intensity: 20
This runs stable @ 850Kh/sec
(I seem to be in the boat like a few others that if I go above 30000 TC the GPU will fail - not sure of the cause of this yet but still looking)
Those settings are used when the machine is 100% mining and yes using it for anything else it would be very slow and can crash, if I wish to use the machine I adjust the Intensity with CGWatcher to 13, this is enough that I can use the machine but hashrate drops to approx: 450Kh/sec
Sorry I can't help u more but maybe this will give u an idea.
Finding the right settings for your setup is trial and error and can take a while to get it to its full potential all the setting published are only really a guide.
I run a Sapphire R9 290X 4GB under the following:
TC: 26612
GPU-Threads: 1 (this is 'g')
Intensity: 20
This runs stable @ 850Kh/sec
(I seem to be in the boat like a few others that if I go above 30000 TC the GPU will fail - not sure of the cause of this yet but still looking)
Those settings are used when the machine is 100% mining and yes using it for anything else it would be very slow and can crash, if I wish to use the machine I adjust the Intensity with CGWatcher to 13, this is enough that I can use the machine but hashrate drops to approx: 450Kh/sec
Sorry I can't help u more but maybe this will give u an idea.
Thanks for telling all this.Now I am starting to get the picture.
About pc crashing,someone told me while the pc is mining at I-20 and if I try to do some other work at that time,then the pc will crash.
If the temperature doesn't rise than I have no problem to overclock.
I want to keep a configuration where I will get 600khash and also be able to browse the web,edit pictures,watch movies while the pc is mining.
I want to do this safely.I don't want the get the card burned or something.
About pc crashing,someone told me while the pc is mining at I-20 and if I try to do some other work at that time,then the pc will crash.
If the temperature doesn't rise than I have no problem to overclock.
I want to keep a configuration where I will get 600khash and also be able to browse the web,edit pictures,watch movies while the pc is mining.
I want to do this safely.I don't want the get the card burned or something.
You can not use a computer that is mining on I 20. The mouse will not move, windows will take forever to open, videos will never play, etc. It is useless as a computer at that time. If you can't deal with this, do not mine on I20.
Overclock has to do with the card and the algorithm. Overclocking might be worse than running below stock clock rates. You won't know if you can till you try and look for stable results, that's about it. Running 85c+ or 100% fan speed is a great way to burn the fans or card out in a hurry.
You can't mine at maximum hashrate and still use the GPU/CPU browsing, watching, anything really, it is not possible. Some programs on a PC will even negatively effect more than just the primary display gpu's hashrate even. It won't damage the card, just the hashrate.
I was looking at litecoin mining hardware comparison which goes for all scrypt coins:
https://litecoin.info/Mining_hardware_comparison
I was looking at 7950 card as I am going to buy one.I was thinking of getting Gigabyte 7950 windforce(non oc).The Gigabyte 7950 which is listed in the chart is the over clocked one.The oc'ed one has more core and memory clock than non oc'ed one.So I will get low hashing power.
Also you can see in chart almost all card was ran at I-20,g-1.Someone told me at I-20 the pc will crash.If I want to keep the miner running and do some other works in the pc the intensity shouldn't be more than I-12 or I-13.g is same in all the tests but thread concurrency is different.
I don't know what g and thread concurrency is and how they work.I need your explanation regarding these two.
Also keeping the intensity lower will make the hashing speed low too.I don't want to overclock the card and keep the hashing speed as high as possible at a safe intensity and temperature. What can I do about this?
https://litecoin.info/Mining_hardware_comparison
I was looking at 7950 card as I am going to buy one.I was thinking of getting Gigabyte 7950 windforce(non oc).The Gigabyte 7950 which is listed in the chart is the over clocked one.The oc'ed one has more core and memory clock than non oc'ed one.So I will get low hashing power.
Also you can see in chart almost all card was ran at I-20,g-1.Someone told me at I-20 the pc will crash.If I want to keep the miner running and do some other works in the pc the intensity shouldn't be more than I-12 or I-13.g is same in all the tests but thread concurrency is different.
I don't know what g and thread concurrency is and how they work.I need your explanation regarding these two.
Also keeping the intensity lower will make the hashing speed low too.I don't want to overclock the card and keep the hashing speed as high as possible at a safe intensity and temperature. What can I do about this?
Wait more than 8 minutes for a reply then?
-g is GPU threads, -g 1 is 1 thread, and -g 2 is two. When you use -g 2 you can not use a high thread concurrency and you can not use an intensity higher than I 13. If you use -g 1 you can use a higher TC and up to I20. Thread concurrency is a multiple of the shader count of your GPU, when -g 2 it should be 4x the shader count, and -g 1 should be 8-14x shader count. Some cards seem to do better with -g 2 (7970) some do better with -g 1 (7950, 290, 290x)
-i 20 doesn't crash the computer but it uses all it's resources for mining. It will likely be unresponsive, not crashed. Same thing on I 13 -g 2 if you are working the cards hard. You have to deal with this, or the decreased hashrate from scaling back your GPU configuration as to not use so much computer overhead.
If you don't want to overclock you have to deal with whatever hashrate that card gives you stock, it's really that simple. If you need any more help, read the Scrypt readme in the cgminer folder, it explains everything.
Well I hope someone can answer your question in detail but here is a little LIMITED information based on my own experience:
Finding the right settings for your setup is trial and error and can take a while to get it to its full potential all the setting published are only really a guide.
I run a Sapphire R9 290X 4GB under the following:
TC: 26612
GPU-Threads: 1 (this is 'g')
Intensity: 20
This runs stable @ 850Kh/sec
(I seem to be in the boat like a few others that if I go above 30000 TC the GPU will fail - not sure of the cause of this yet but still looking)
Those settings are used when the machine is 100% mining and yes using it for anything else it would be very slow and can crash, if I wish to use the machine I adjust the Intensity with CGWatcher to 13, this is enough that I can use the machine but hashrate drops to approx: 450Kh/sec
Sorry I can't help u more but maybe this will give u an idea.
Finding the right settings for your setup is trial and error and can take a while to get it to its full potential all the setting published are only really a guide.
I run a Sapphire R9 290X 4GB under the following:
TC: 26612
GPU-Threads: 1 (this is 'g')
Intensity: 20
This runs stable @ 850Kh/sec
(I seem to be in the boat like a few others that if I go above 30000 TC the GPU will fail - not sure of the cause of this yet but still looking)
Those settings are used when the machine is 100% mining and yes using it for anything else it would be very slow and can crash, if I wish to use the machine I adjust the Intensity with CGWatcher to 13, this is enough that I can use the machine but hashrate drops to approx: 450Kh/sec
Sorry I can't help u more but maybe this will give u an idea.
GPU clock: 900
Ram: 1525
Thread concurrency: 21712
I: 19
Don't worry, your card won't crash.
Ram: 1525
Thread concurrency: 21712
I: 19
Don't worry, your card won't crash.
I was looking at litecoin mining hardware comparison which goes for all scrypt coins:
https://litecoin.info/Mining_hardware_comparison
I was looking at 7950 card as I am going to buy one.I was thinking of getting Gigabyte 7950 windforce(non oc).The Gigabyte 7950 which is listed in the chart is the over clocked one.The oc'ed one has more core and memory clock than non oc'ed one.So I will get low hashing power.
Also you can see in chart almost all card was ran at I-20,g-1.Someone told me at I-20 the pc will crash.If I want to keep the miner running and do some other works in the pc the intensity shouldn't be more than I-12 or I-13.g is same in all the tests but thread concurrency is different.
I don't know what g and thread concurrency is and how they work.I need your explanation regarding these two.
Also keeping the intensity lower will make the hashing speed low too.I don't want to overclock the card and keep the hashing speed as high as possible at a safe intensity and temperature. What can I do about this?
https://litecoin.info/Mining_hardware_comparison
I was looking at 7950 card as I am going to buy one.I was thinking of getting Gigabyte 7950 windforce(non oc).The Gigabyte 7950 which is listed in the chart is the over clocked one.The oc'ed one has more core and memory clock than non oc'ed one.So I will get low hashing power.
Also you can see in chart almost all card was ran at I-20,g-1.Someone told me at I-20 the pc will crash.If I want to keep the miner running and do some other works in the pc the intensity shouldn't be more than I-12 or I-13.g is same in all the tests but thread concurrency is different.
I don't know what g and thread concurrency is and how they work.I need your explanation regarding these two.
Also keeping the intensity lower will make the hashing speed low too.I don't want to overclock the card and keep the hashing speed as high as possible at a safe intensity and temperature. What can I do about this?
Jump to: