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| author |   Chris Larson <chris_larson@mentor.com> | 2010-09-23 11:21:29 -0700 |
|---|---|---|
| committer |   Richard Purdie <rpurdie@linux.intel.com> | 2011-01-04 14:46:36 +0000 |
| commit | 3f40a2efe835ba6c6660485f11d0460332d401d1 (patch) | |
| tree | 1e441dca05746e158aef538695ec4a083fd4bef9 /bitbake/lib/bb/cache.py | |
| parent | 666513982fb767c992471a4dce2aa2f7b9c9cdfb (diff) | |
| download | openembedded-core-contrib-3f40a2efe835ba6c6660485f11d0460332d401d1.tar.gz | |
Reduce bb.cache memory usage a bit
- Don't store key/value pairs when the value is None
- Delete the depends_cache when we're done with it
This reduces the memory usage after sync on initial parse by roughly 11.5% on
this machine.
(Bitbake rev: c7eb4c989459d182fdf9c81a627d32b7ef11626b)
Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'bitbake/lib/bb/cache.py')
| -rw-r--r-- | bitbake/lib/bb/cache.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/bitbake/lib/bb/cache.py b/bitbake/lib/bb/cache.py index 255c6168dd..7ec55bc1be 100644 --- a/bitbake/lib/bb/cache.py +++ b/bitbake/lib/bb/cache.py @@ -118,7 +118,8 @@ class Cache: self.cacheclean = False result = bb.data.getVar(var, self.data, exp) - self.depends_cache[fn][var] = result + if result is not None: + self.depends_cache[fn][var] = result return result def setData(self, virtualfn, fn, data): @@ -219,7 +220,6 @@ class Cache: virtuals += 1 return False, skipped, virtuals - def cacheValid(self, fn): """ Is the cache valid for fn? @@ -346,6 +346,7 @@ class Cache: p = pickle.Pickler(file(self.cachefile, "wb" ), -1 ) p.dump([cache_data, version_data]) + del self.depends_cache def mtime(self, cachefile): return bb.parse.cached_mtime_noerror(cachefile) |