Hi Rob, Thank you, I was just wondering if getting those errors was to be expected. I can do without ordered read/writes (provided that PHDF5 does not use them).
Thanks, Matthieu Dorier PhD student at ENS Rennes http://people.irisa.fr/Matthieu.Dorier ----- Mail original ----- > De: "Robert J. Latham" <[email protected]> > À: [email protected] > Cc: "matthieu dorier" <[email protected]>, > [email protected] > Envoyé: Dimanche 23 Février 2014 03:23:33 > Objet: Re: [Pvfs2-users] Problem with MPI_File_read/write_ordered > > On Sat, 2014-02-22 at 19:13 -0500, Becky Ligon wrote: > > Matthieu: > > > > OrangeFS/PVFS still does NOT support locks, so my guess is that ROMIO will > > not allow "ordered". > > Hi Matthieu: if you really really need ordered mode operations, I've got > a couple options for you: > > - I have an emulation library that, if all you are doing is one ordered > mode operation, will give you the expected result > > - I have a 5 year old branch that implemented shared file pointer and > ordered mode operations with RMA one sided operations. We did not > commit it because there is no gaurantee of background progress, and the > process holding the shared file pointer in its rma window might go off > and do something else for a long time, starving any other shared file > pointer users. > > Either of those sound attractive to you? > > ==rob > _______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
