petsc-3.14.5 2021-03-03
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# PetscLogFlops

Log how many flops are performed in a calculation

### Synopsis

    PETSC_STATIC_INLINE PetscErrorCode PetscLogFlops(PetscLogDouble n)

### Input Paramters

flops - the number of flops

### Notes

To limit the chance of integer overflow when multiplying by a constant, represent the constant as a double, not an integer. Use PetscLogFlops(4.0*n) not PetscLogFlops(4*n)

### See Also

PetscLogView(), PetscLogGpuFlops()

### Level

intermediate

### Location

src/sys/logging/../../../include/petsclog.h

### Examples

src/sys/logging/tutorials/ex1f.F90.html
src/sys/tutorials/ex3.c.html
src/sys/tutorials/ex3f.F.html
src/ksp/ksp/tutorials/ex9.c.html
src/snes/tutorials/ex5.c.html
src/snes/tutorials/ex9.c.html
src/snes/tutorials/ex14.c.html
src/snes/tutorials/ex15.c.html
src/snes/tutorials/ex18.c.html
src/snes/tutorials/ex19.c.html
src/snes/tutorials/ex22.c.html
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Index of all manual pages