[Pw_forum] QE GPU codes problem

薛诗川 nudt.xueshichuan at gmail.com
Tue Mar 25 03:49:13 CET 2014


Dear all,
i am new to QE so maybe there are some silly questions.
i installed the latetest version 5.0.2 and tested the tests input files
under /PW
and i compared my output file with the reference file ,finding that the
results are reasonable.
and after that i begun to install GPU version. as the README file suggested
, i copy the GPU directory, patch the 5.0.2 , and compile it .
there are some errors and i asked about and added the sentence: DISABLE
CUDA ADDUSDENS. also i skipped the manypw.x's dependence cause it cannot be
found.
After all these ,i got pw-gpu.x. and i ran the same input file however it
cannot stop while under GPU version ,it only costs 30s.
below is my input file and output file.
i am wondering that if GPU version is not stable yet  or the sentence
DISABLE CUDA ADDUSDENS results in it?

Thank u all.
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