Thank you very very much for your reply. i still have some problems. i have tested an input file from "espresso-4.3.2-examples.tar" which contains a lot of input files and ref files.Specifically, i tested the following input file with my pw-gpu.x/ however it still ran a long time without an ending so i killed it. but when i check the ref file, i found that test time is only a few seconds?! i am totally confused? is the test machine's performance so good?
here is my test file and ref file: -------------- next part -------------- An HTML attachment was scrubbed... URL: http://pwscf.org/pipermail/pw_forum/attachments/20140321/78d7f5eb/attachment.html -------------- next part -------------- A non-text attachment was scrubbed... Name: relax.in Type: application/octet-stream Size: 330 bytes Desc: not available Url : http://pwscf.org/pipermail/pw_forum/attachments/20140321/78d7f5eb/attachment.obj -------------- next part -------------- A non-text attachment was scrubbed... Name: relax.ref Type: application/octet-stream Size: 27681 bytes Desc: not available Url : http://pwscf.org/pipermail/pw_forum/attachments/20140321/78d7f5eb/attachment-0001.obj
