To be more precise, my code looks something like this implicit none #include <petsc/finclude/petsc.h90> double precision time
time = MPI_Wtime() I get the warning of conversion from REAL(16) to REAL(8) and the value of time is always zero. Thanks praveen On Thu, Jan 26, 2017 at 5:59 PM, Praveen C <[email protected]> wrote: > Dear all > > In my petsc fortran code, I am using MPI_Wtime to measure times. I include > > #include <petsc/finclude/petsc.h90> > > When compiling, I get warning for MPI_Wtime > > *Warning:* Possible change of value in conversion from REAL(16) to > REAL(8) at (1) [*-Wconversion*] > > > But MPI_Wtime is supposed to return double precision. The values I get > from this function also seem to be wrong, always zero. > > Thanks > praveen >
