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| author | Terry Wilson <twilson@redhat.com> | 2021-10-12 14:13:31 -0500 |
|---|---|---|
| committer | Ilya Maximets <i.maximets@ovn.org> | 2021-11-09 00:27:10 +0100 |
| commit | 04b017e3a2102e7fe056f7ac1afbd0bd789e315e (patch) | |
| tree | c42f7ad676c29019cdfaa14b870b9488d7f5542d /datapath-windows | |
| parent | 695530d8fb07eb15adbc3506bb7abe2c7f5681d8 (diff) | |
| download | openvswitch-04b017e3a2102e7fe056f7ac1afbd0bd789e315e.tar.gz | |
python: db: Avoid allocation of an attr dict/row+column.
Python objects normally have a dictionary named __dict__ allocated
for handling dynamically assigned attributes. Depending on
architecture and Python version, that empty dict may be between
64 and 280 bytes.
Seeing as Atom and Datum objects do not need dynamic attribute
support and there can be millions of rows in a database, avoiding
this allocation with __slots__ can save 100s of MBs of memory per
Idl process.
Signed-off-by: Terry Wilson <twilson@redhat.com>
Acked-by: Timothy Redaelli <tredaelli@redhat.com>
Tested-by: Timothy Redaelli <tredaelli@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Diffstat (limited to 'datapath-windows')
0 files changed, 0 insertions, 0 deletions