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Increase image cache size and adjust related parameters for improved performance

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This commit is contained in:
ownedbywuigi 2026-03-27 15:23:58 +00:00
commit 35aa94b223
3 changed files with 52 additions and 8 deletions
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44
image/imgLoader.cpp
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@ -1048,7 +1048,6 @@ imgLoader::CreateNewProxyForRequest(imgRequest* aRequest,
class imgCacheExpirationTracker final
: public nsExpirationTracker<imgCacheEntry, 3>
{
enum { TIMEOUT_SECONDS = 10 };
public:
imgCacheExpirationTracker();
@ -1057,10 +1056,45 @@ protected:
};
imgCacheExpirationTracker::imgCacheExpirationTracker()
: nsExpirationTracker<imgCacheEntry, 3>(TIMEOUT_SECONDS * 1000,
: nsExpirationTracker<imgCacheEntry, 3>(
Preferences::GetUint(
"image.cache.entry_timeout_seconds",
15) * 1000,
"imgCacheExpirationTracker")
{ }
static bool
ShouldKeepRecentlyUsedAssetInCache(imgCacheEntry* aEntry)
{
RefPtr<imgRequest> request = aEntry->GetRequest();
if (!request) {
return false;
}
const char* mimeType = request->GetMimeType();
if (!mimeType) {
return false;
}
// Keep small, frequently reused static assets warm a bit longer.
if (!nsCRT::strcmp(mimeType, IMAGE_SVG_XML) ||
!nsCRT::strcmp(mimeType, IMAGE_PNG) ||
!nsCRT::strcmp(mimeType, IMAGE_WEBP)) {
const uint32_t kMaxWarmAssetBytes = 1024 * 1024;
const uint32_t kRecentUseGraceSeconds = 120;
if (aEntry->GetDataSize() <= kMaxWarmAssetBytes) {
uint32_t now = SecondsFromPRTime(PR_Now());
uint32_t touched = aEntry->GetTouchedTime();
if (now >= touched && (now - touched) <= kRecentUseGraceSeconds) {
return true;
}
}
}
return false;
}
void
imgCacheExpirationTracker::NotifyExpired(imgCacheEntry* entry)
{
@ -1068,6 +1102,12 @@ imgCacheExpirationTracker::NotifyExpired(imgCacheEntry* entry)
// mechanism doesn't.
RefPtr<imgCacheEntry> kungFuDeathGrip(entry);
if (ShouldKeepRecentlyUsedAssetInCache(entry)) {
entry->Touch();
entry->Loader()->VerifyCacheSizes();
return;
}
if (MOZ_LOG_TEST(gImgLog, LogLevel::Debug)) {
RefPtr<imgRequest> req = entry->GetRequest();
if (req) {