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| -rw-r--r-- | numpy/core/memmap.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/numpy/core/memmap.py b/numpy/core/memmap.py index 85e424729..05aaefef0 100644 --- a/numpy/core/memmap.py +++ b/numpy/core/memmap.py @@ -75,6 +75,14 @@ class memmap(ndarray): Given a memmap ``fp``, ``isinstance(fp, numpy.ndarray)`` returns ``True``. + Notes + ----- + + Memory-mapped arrays use the the Python memory-map object which + (prior to Python 2.5) does not allow files to be larger than a + certain size depending on the platform. This size is always < 2GB + even on 64-bit systems. + Examples -------- >>> data = np.arange(12, dtype='float32') |