cf.FREE_MEMORY_FACTOR¶
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cf.FREE_MEMORY_FACTOR(*args)[source]¶ Set the fraction of memory kept free as a temporary workspace. Users should set the free memory factor through cf.SET_PERFORMANCE so that the upper limit to the chunksize is recalculated appropriately. The free memory factor must be a sensible value between zero and one. If no arguments are passed the existing free memory factor is returned.