Merge branch 'topic/default/mpi4py-fft-pyperf' into 'branch/default'

Rename perf -> pyperf, updated mpi4py-fft API

See merge request !30
2 jobs for branch/default in 5 minutes and 31 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed tests #119904

00:04:11

passed tests_pythran_mpi #119905

00:05:31