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gemucai木蟲 (正式寫手)
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[求助]
PWSCF在哪里設(shè)置lapack?再問一句聲子譜對角化出錯是lapack的問題嗎?
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大家好,最近我算聲子譜,算了好幾天,在最后兩步出錯,報(bào)錯如下: Band Structure Calculation Davidson diagonalization with overlap %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% from cdiaghg : error # 66 diagonalization (ZHEGV*) failed %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 有人告訴我說是lapack本身的bug,讓我下載最新版本,我下載之后應(yīng)該如何讓程序指向我新加的lapack呢? 還有,這個(gè)問題是lapack的問題嗎? |
專家顧問 (著名寫手)
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專家經(jīng)驗(yàn): +174 |
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不會啊,我算石墨烯從來沒掛過啊~ 并且,cg雖然基本不出對角化問題,但是計(jì)算速度比david慢很多,用goldenfish的話說,就是cg的并行很差~ 而且,修改ph.x中的對角化部分并不是太容易,牽扯到不少代碼的修改。 個(gè)人建議,更換贗勢是首選的,其次,適當(dāng)增加空帶數(shù)很多時(shí)候能夠避免對角化出錯。 |

專家顧問 (著名寫手)
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專家經(jīng)驗(yàn): +174 |

木蟲 (正式寫手)
專家顧問 (著名寫手)
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專家經(jīng)驗(yàn): +174 |

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