Re: [mpich-discuss] unable to bind socket to port

张国熙 <[email protected]> writes:

Hi, all

I'm using SLEPc as an eigensolver, which implemented MPICH for multiprocess usage.

I compile SLEPc code into a .so library B.

My executable program A calls .so library B, and .so libraryB calls SLEPclibrary. I used to put MPI_Init() only in A. But it will got stuck.

Attach a debugger when it "gets stuck".

Then I try to put it in A,B( and C,SLEPc init will call this function).

SlepcInitialize checks (via PetscInitialize) whether MPI has been initialized. You can call MPI_Init before all of them, but you still have to call SlepcInitialize collectively.