diff options
| author | Guido van Rossum <guido@python.org> | 2003-01-28 03:17:21 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 2003-01-28 03:17:21 (GMT) |
| commit | e0b904232fc93a818aae0740cfb7b076a513a5da (patch) | |
| tree | 321ecd182495f9a3cc2360a5c0b9e6ca3d87b66d /Lib/pickle.py | |
| parent | 5c938d00a1cbe5b7d0c478987b726bb31f169c82 (diff) | |
| download | cpython-e0b904232fc93a818aae0740cfb7b076a513a5da.zip cpython-e0b904232fc93a818aae0740cfb7b076a513a5da.tar.gz cpython-e0b904232fc93a818aae0740cfb7b076a513a5da.tar.bz2 | |
Add a comment explaining that struct.pack() beats marshal.dumps(), but
marshal.loads() beats struct.unpack()! Possibly because the latter
creates a one-tuple. :-(
Diffstat (limited to 'Lib/pickle.py')
| -rw-r--r-- | Lib/pickle.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/pickle.py b/Lib/pickle.py index b812e67..cb27f8a 100644 --- a/Lib/pickle.py +++ b/Lib/pickle.py @@ -45,6 +45,9 @@ compatible_formats = ["1.0", # Original protocol 0 "2.0", # Protocol 2 ] # Old format versions we can read +# Why use struct.pack() for pickling but marshal.loads() for +# unpickling? struct.pack() is 40% faster than marshal.loads(), but +# marshal.loads() is twice as fast as struct.unpack()! mloads = marshal.loads class PickleError(Exception): |