Pour ceux qui voudraient vérifier eux mêmes ce document là : Program Files/2k Game/Bioshock demo/Content/config.ini
[Console]
Console (XBox360, PS3) specific settings
StreamingDynamicFloatingLimit:
If this is a positive number, then instead of using the fixed per-level
limits, the StreamingDynamic resource will use as much memory as is
available as long as the total memory allocated by the game is less than
the specified number. In other words, StreamingDynamic will grow and
shrink to fit to the available memory instead of being locked to a fixed
budget