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Bug 726002 - Clear some big nsTArrays as early as possible in updates. r=dcamp

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This commit is contained in:
Gian-Carlo Pascutto
2012-02-13 17:10:22 +01:00
parent cfbdf67e54
commit a6f2f9cd49
4 changed files with 16 additions and 12 deletions
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9
toolkit/components/url-classifier/LookupCache.cpp
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@@ -171,8 +171,8 @@ LookupCache::Reset()
nsresult
LookupCache::Build(const AddPrefixArray& aAddPrefixes,
const AddCompleteArray& aAddCompletes)
LookupCache::Build(AddPrefixArray& aAddPrefixes,
AddCompleteArray& aAddCompletes)
{
Telemetry::Accumulate(Telemetry::URLCLASSIFIER_LC_COMPLETIONS,
static_cast<PRUint32>(aAddCompletes.Length()));
@@ -182,6 +182,7 @@ LookupCache::Build(const AddPrefixArray& aAddPrefixes,
for (uint32 i = 0; i < aAddCompletes.Length(); i++) {
mCompletions.AppendElement(aAddCompletes[i].CompleteHash());
}
aAddCompletes.Clear();
mCompletions.Sort();
Telemetry::Accumulate(Telemetry::URLCLASSIFIER_LC_PREFIXES,
@@ -679,7 +680,7 @@ bool LookupCache::IsPrimed()
}
nsresult
LookupCache::ConstructPrefixSet(const AddPrefixArray& aAddPrefixes)
LookupCache::ConstructPrefixSet(AddPrefixArray& aAddPrefixes)
{
Telemetry::AutoTimer<Telemetry::URLCLASSIFIER_PS_CONSTRUCT_TIME> timer;
@@ -693,8 +694,8 @@ LookupCache::ConstructPrefixSet(const AddPrefixArray& aAddPrefixes)
for (uint32 i = 0; i < aAddPrefixes.Length(); i++) {
array.AppendElement(aAddPrefixes[i].PrefixHash().ToUint32());
}
aAddPrefixes.Clear();
// clear old tree
if (array.IsEmpty()) {
// DB is empty, but put a sentinel to show that we looked
array.AppendElement(0);