[Pw_forum] diago_david_ndim

[jqli14 at fudan.edu.cn]

Dear QE users,
         In the manual, I found increasing the diago_david_ndim can lead to a faster calculation. Can I obtain a very high speed-up by endlessly increasing the value of diago_david_ndim  as long as the memory of my machine is enough?


Best regards!
Jiqiang Li
Fudan University, China



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