CG improvements

4 jobs for tweak_cg in 3 minutes and 17 seconds
Status Job ID Name Coverage
  Test
passed #192372
test_min

00:02:11

canceled #192373
test_mpi

00:03:17

canceled #192374
test_mpi_fftw

00:03:17

canceled #192375
test_mpi_fftw_hdf5

00:03:17