Re: [OMPI users] DMTCP: Checkpoint-Restart solution for OpenMPI

2010-02-05 Thread Jeff Squyres
On Feb 5, 2010, at 6:40 PM, Gene Cooperman wrote: > You're correct that we take a virtualized approach by intercepting network > calls, etc. However, we purposely never intercept any frequently > called system calls. So, for example, we never intercept a call > to read() or to write() in TCP/IP,

Re: [OMPI users] DMTCP: Checkpoint-Restart solution for OpenMPI

2010-02-05 Thread Jeff Squyres
On Jan 31, 2010, at 10:39 PM, Kapil Arya wrote: > DMTCP also supports a dmtcpaware interface (application-initiated > checkpoints), and numerous other features. At this time, DMTCP > supports only the use of Ethernet (TCP/IP) and shared memory for > transport. We are looking at supporting the Inf