nvcc fatal : Unsupported gpu architecture 'compute_20' #28
Comments
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I have the same problem. |
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I was able to fix this by commenting and uncommenting some lines in my Makefile at line 395. I was able to compile with these lines: #NVCC_GENCODE = -gencode=arch=compute_35,code=\"sm_35,compute_35\"
NVCC_GENCODE = -gencode=arch=compute_30,code=\"sm_30,compute_30\" -gencode=arch=compute_35,code=\"sm_35,compute_35\"
#NVCC_GENCODE = -gencode=arch=code=\"sm_20\" -gencode=arch=compute_30,code=\"sm_30,compute_30\" -gencode=arch=compute_35,code=\"sm_35,compute_35\" |
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After more research I found that the newest cuda version (9.0) doesn't support compute_20 anymore. This means that you have two options, disable the compute_20 target or install cuda version 8.0. If your GPU supports newer compute architectures you should use the newest cuda version and disable compute_20. |
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@pingiun Unfortunately, that didn't work out for me. I'm now getting this error.
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I had this too, and just removed the -abi option from the Makefile to solve it.
…-------- Original Message --------
On Nov 1, 2017, 22:11, Faraz Moin wrote:
***@***.***(https://github.com/pingiun) Unfortunately, that didn't work out for me. I'm now getting this error.
nvcc -g -O2 -I . -Xptxas "-abi=no -v" -gencode=arch=compute_30,code=\"sm_30,compute_30\" -gencode=arch=compute_35,code=\"sm_35,compute_35\" --maxrregcount=80 --ptxas-options=-v -I./compat/jansson -o cryptonight/cryptonight.o -c cryptonight/cryptonight.cu ptxas error : Invalid value 'no' for option -abi. ptxas warning : Too big maxrregcount value specified 80, will be ignored ptxas fatal : Ptx assembly aborted due to errors Makefile:1155: recipe for target 'cryptonight/cryptonight.o' failed make[2]: *** [cryptonight/cryptonight.o] Error 255 make[2]: Leaving directory '/home/faraz/Downloads/ccminer-cryptonight-0.17' Makefile:729: recipe for target 'all-recursive' failed make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory '/home/faraz/Downloads/ccminer-cryptonight-0.17' Makefile:399: recipe for target 'all' failed make: *** [all] Error 2
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I've removed "-abi=no -v" from makefile, ran make again. Got this error:
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Can't see what is the problem now. But you can try another miner instead, xmr-stak-nvidia for example
… -------- Original Message --------
Subject: Re: [tsiv/ccminer-cryptonight] nvcc fatal : Unsupported gpu architecture 'compute_20' (#28)
Local Time: November 1, 2017 10:22 PM
UTC Time: November 1, 2017 9:22 PM
From: ***@***.***
To: tsiv/ccminer-cryptonight ***@***.***>
Jelle Besseling ***@***.***>, Mention ***@***.***>
I've removed "-abi=no -v" from makefile, ran make again. Got this error:
> ptxas fatal : Unknown option 'gencode'
> Makefile:1155: recipe for target 'cryptonight/cryptonight.o' failed
> make[2]: *** [cryptonight/cryptonight.o] Error 255
> make[2]: Leaving directory '/home/faraz/Downloads/ccminer-cryptonight-0.17'
> Makefile:729: recipe for target 'all-recursive' failed
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory '/home/faraz/Downloads/ccminer-cryptonight-0.17'
> Makefile:399: recipe for target 'all' failed
> make: *** [all] Error 2
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Reply to this email directly, [view it on GitHub](#28 (comment)), or [mute the thread](https://github.com/notifications/unsubscribe-auth/ABgO1PwL3H67o7tDUo-CYU34DtglWiBKks5syOEQgaJpZM4QCSiX).
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Leave the "-v", that worked for me: -Xptxas "-v" $(NVCC_GENCODE) --maxrregcount=80 ......... |
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Just in case it helps someone, combo of both @pingiun suggestions got it compiling successfully on my machine (16.04 w/ GTX 780). In Makefile replace NVCC_GENCODE = -gencode=arch=compute_30,code=\"sm_30,compute_30\" -gencode=arch=compute_35,code=\"sm_35,compute_35\"and remove |
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in the file Makefile.am find each line that contains after salsa_kernel.cu and replace the whole line with I don't know how this got left in but it allow a clean compile. then run |
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Still getting this error, make all-recursive |
I've got no issues in ./autogen.sh and ./configure
Only when I make, I get this error
`nvcc -g -O2 -I . -Xptxas "-abi=no -v" -gencode=arch=compute_20,code="sm_20,compute_20" -gencode=arch=compute_30,code="sm_30,compute_30" -gencode=arch=compute_35,code="sm_35,compute_35" --maxrregcount=80 --ptxas-options=-v -I./compat/jansson -o cryptonight/cryptonight.o -c cryptonight/cryptonight.cu
nvcc fatal : Unsupported gpu architecture 'compute_20'
Makefile:1155: recipe for target 'cryptonight/cryptonight.o' failed
make[2]: *** [cryptonight/cryptonight.o] Error 1
make[2]: Leaving directory '/home/faraz/Downloads/ccminer-cryptonight-0.17'
Makefile:729: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/faraz/Downloads/ccminer-cryptonight-0.17'
Makefile:399: recipe for target 'all' failed
make: *** [all] Error 2
`
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