hello Hristo
Thank you for your reply. I was able to understand some parts of your
response, but still had some doubts due to my lack of knowledge about the
way memory is allocated.
I have created a small sample program and the resulting output which will
help me pin point my question.
The
Hello,
Placement of data in memory is highly implementation dependent. I assume you
are running on Linux. This OS libc (glibc) provides two different methods
for dynamic allocation of memory heap allocation and anonymous mappings.
Heap allocation is used for small data up to MMAP_TRESHOLD
Jack,
note that support for THREAD_MULTIPLE is available in [newer] versions of open
MPI, but disabled by default. You have to enable it by configuring, in 1.6:
--enable-mpi-thread-multiple
Enable MPI_THREAD_MULTIPLE support (default:
Am 23.07.2012 um 10:02 schrieb 陈松:
> How can I create ckpt files regularly? I mean, do checkpoint every 100
> seconds. Is there any options to do this? Or I have to write a script myself?
Yes, or use a queuing system which supports creation of a checkpoint in fixed
time intervals.
-- Reuti
Hi all,How can I create ckpt files regularly? I mean, do checkpoint every
100 seconds. Is there any options to do this? Or I have to write a script
myself?THANKS,---CHEN SongRD DepartmentNational Supercomputer
Center in TianjinBinhai New Area, Tianjin, China
