cf.FM_THRESHOLD

cf.FM_THRESHOLD()[source]

The amount of memory which is kept free as a temporary work space.

This is the chunk size (returned and set by cf.CHUNKSIZE) multiplied by the number of chunks of memory to be kept free (returned and set by cf.MINNCFM).

See also

cf.CHUNKSIZE, cf.MINNCFM

Returns:
out: float

The amount of memory in bytes.
Examples: 
>>> cf.FM_THRESHOLD()
10000000000.0
>>> old = cf.MINNCFM(2*cf.MINNCFM())
>>> cf.FM_THRESHOLD()
20000000000.0