burstcoin-jminer v0.4.10 - GPU assisted PoC-Miner (All Platforms)
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@burstcoinage Maybe add 'pause' to a new line, it is not part of the java call.
Post the error if there is still one.java -jar -d64 -XX:+UseG1GC burstcoin-jminer-0.4.5-RELEASE.jar pause
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I get the following error, not sure what its means?
I installed both the latest java64 from the link above.
"D:\Burst\F burstcoin-jminer-0.4.5-RELEASE>java -jar -d64 -XX:+UseG1GC burstcoin-jminer-0.4.5-RELEASE.jar
'java' is not recognized as an internal or external command,
operable program or batch file."
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That is exactly the error I fixed by downloading the correct version of java (not necessarily the newest update of java). I think the version I used is different to the one @luxe presented. Here is my link: http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html and here is a picture showing which version to choose:
I chose the offline version.
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@burstcoinage the location of java is not known in command line, try @Propagandalf 's solution, if that does not work, try to add it to the win path variable manually http://www.kingluddite.com/tools/how-do-i-add-java-to-my-windows-path
Another solution would be, to add the path to java.exe like e.g.
"C:\Program Files\Java\jdk1.8.0_92\bin\java.exe" -jar -d64 -XX:+UseG1GC burstcoin-jminer-0.4.5-RELEASE.jar
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Thanks guys for your help updated and now working. Worked after win 10 popup saying allow java to run so think firewall was preventing the jminer to start. Thought I give heads up if anyone else having similar problem.
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After much trail and error, I have finally managed to run jminer on a headless linux machine that have 2 GPU's. I tried to change the parameters of the config file, that the miner will use more GPU power (currently only one GPU is used at 13% capacity). Any advice on how to maximized the power of the CPU and GPU combined ? Platform ID and device ID ?
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@CoinBuster Currently only one openCL device is possible. In most cases GPU is not the bottleneck, so this is not a big issue. Not sure if crossfire linked GPUs are used/show up as one device?! However you could always split up your drives to multiple miner instances and let every single instance use a dedicated device. Also, if there is need for that feature, the code should be adjustable quite simple, never thought about.
Do you currently plan a rig, where you expect 100% GPU load ?! :-)I created a issue on github, will look into it as soon i find some time ...
https://github.com/de-luxe/burstcoin-jminer/issues/27
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@luxe I really don't know if the crossfire linked GPUs show up as one device....that's an interesting question. The GPUs on the headless machine work separately, and I need to look into the documentation if it is possible to crossfire them. I have plotted 10TB on the cloud, and I am testing the speeds in which I can read them.
At the moment, I am running a headless machine with 10GB network connection, 16 vCPU 22 RAM and 2 GPU. Reading speeds are good at 100mb/s, but I have reached higher speeds (machine with 32 vCPU, 128 RAM and 10GB connection).The speed was at about 160 Mb/s and all 32 vCPU were maxed to the 100%.
I am trying to reach the read speed limit. Do you have any advice on how to play with the config file to achieve this ?
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@CoinBuster What read speed limit?! Of your internet connection?! Speeds may be limited by cloud server ... on 10TB i'm quite sure that not GPU/CPU or your System is the bottleneck.
Check this post https://forums.burst-team.us/topic/2411/everybody-post-their-mining-rigs-show-photos/86 i'm just using one 280x ...
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@luxe Exactly, I want to test this out. I am not sure where is the bottle neck if 32 vCPU went all the 100%while reading the plots. With the GPU assistance they only use 40% and the GPU 13% but I'm sure I can maximize it more to reach much higher reading speeds.
If I ran the same setup and reach the limit at 160mb/s I'll know that this is the cloud provider bottleneck.
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@CoinBuster Speed provided by your cloud provider may vary depending on his current server load ... so may have nothing to do with jminer at all.
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@luxe Maybe there was extra load at that time. I have to check again. Is there any chance to change the CPU GPU config with jminer ?
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@CoinBuster Yes, even i see no big need for it :-) Like i told above, i already created a issue for it, to remind myself ... https://github.com/de-luxe/burstcoin-jminer/issues/27
But could take a week or two.
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@luxe Thanks buddy I'll sure send some burst in your direction soon. Keep an eye out ;-)
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@CoinBuster It's more difficult than i thought to add multiple openCL devices with same miner instance ... the code is just not prepared for that, yet. So i fear there will be no quick fix.
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@luxe Ok. Thanks for looking into that. Is it make sense to you that I mine faster on a VPS with 16vCPU then with a VPS with Nvidia K80 GPU ? it's seems that i have a GPU bottleneck ?
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@CoinBuster Not sure that Nvidia K80 seams to be a beast ... maybe the openCL drives for it are not very well. Guess must who have such hardware use cuda ... like discussed above, i do not think that cpu or your GPU is bottleneck, have you monitored it?! Is it really on 100% while mining?!
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I moved my plot files to a NAS and started getting this error:
"ERROR 2304 --- [ readerPool-2] b.j.c.reader.task.ReaderLoadDriveTask : IOException: Bad file descriptor"Any ideas on how to troubleshoot or fix this error?
Thanks in advance!
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@Rev Was there a stacktrace/more details on that error? I searched for that error, the only thing i found, that it may be related to file permissions ... so ensure the user executing the miner has needed permissions on your NAS, but i have no idea how to configure that, maybe you can figure out.
ps: sorry for late response, i simply missed your question, maybe use @luxe next time, so i get messaged :-)
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@luxe Thanks for response. I had to increase the "chunkPartNonces" to 960000 or above to solve the problem with wifi connection, cabled 1G ethernet to NAS was no problem.

