on the test system.
add an option for pio_delay_write to run.py
util/stats/stats.py:
full0 -> run0 due to run.py change
sim_ticks doesn't make sense with tick = ps, so use
one of the cpu's numCycles paramter
--HG--
extra : convert_revision : db9dbe014549d823edc10395f5241db5e907df01