Mercurial > hg
changeset 45645:7baf5f798ba9
revlog: pre-compute null revlog item for pure version
The dynamically created tuple shows up in memory profiles and the use of
nullid prevents the normal constant building to work.
Differential Revision: https://phab.mercurial-scm.org/D9154
| author | Joerg Sonnenberger <joerg@bec.de> |
|---|---|
| date | Tue, 06 Oct 2020 02:21:14 +0200 |
| parents | 439ce34d81e6 |
| children | 1efbc787334c |
| files | mercurial/pure/parsers.py |
| diffstat | 1 files changed, 2 insertions(+), 1 deletions(-) [+] |
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--- a/mercurial/pure/parsers.py Sun Oct 04 22:17:52 2020 -0700 +++ b/mercurial/pure/parsers.py Tue Oct 06 02:21:14 2020 +0200 @@ -37,6 +37,7 @@ indexfirst = struct.calcsize(b'Q') sizeint = struct.calcsize(b'i') indexsize = struct.calcsize(indexformatng) +nullitem = (0, 0, 0, -1, -1, -1, -1, nullid) def gettype(q): @@ -103,7 +104,7 @@ def __getitem__(self, i): if i == -1: - return (0, 0, 0, -1, -1, -1, -1, nullid) + return nullitem self._check_index(i) if i >= self._lgt: return self._extra[i - self._lgt]