Re: [OMPI users] memory consumption on rank 0 and btl_openib_receive_queues use

2011-01-24 Thread Eloi Gaudry
hi folks, sorry to insist, i'll be glad if someone could point out the relevant piece of info I missed. these huge memory consumption cannot be explained easily on the user side, especially since it's only seen on the master process node... thanks, éloi On 01/03/2011 09:57 AM, Eloi Gau

Re: [OMPI users] memory consumption on rank 0 and btl_openib_receive_queues use

2011-01-03 Thread Eloi Gaudry
hi, i'd like to know if someone had a chance to check at the issue I reported. thanks and happy new year ! éloi On 12/21/2010 10:58 AM, Eloi Gaudry wrote: hi, when launching a parallel computation on 128 nodes using openib and the "-mca btl_openib_receive_queues P,65536,256,192,128" option,

[OMPI users] memory consumption on rank 0 and btl_openib_receive_queues use

2010-12-21 Thread Eloi Gaudry
hi, when launching a parallel computation on 128 nodes using openib and the "-mca btl_openib_receive_queues P,65536,256,192,128" option, i observe a rather large memory consumption (2GB: 65336*256*128) on the process with rank 0 (only). this memory seems to be initialized and in use as the r