void V8GCController::checkMemoryUsage()
{
#if PLATFORM(CHROMIUM) || PLATFORM(QT)
const int lowMemoryUsageMB = PlatformSupport::lowMemoryUsageMB();
const int highMemoryUsageMB = PlatformSupport::highMemoryUsageMB();
const int highUsageDeltaMB = PlatformSupport::highUsageDeltaMB();
int memoryUsageMB = getMemoryUsageInMB();
if ((memoryUsageMB > lowMemoryUsageMB && memoryUsageMB > 2 * workingSetEstimateMB) || (memoryUsageMB > highMemoryUsageMB && memoryUsageMB > workingSetEstimateMB + highUsageDeltaMB))
v8::V8::LowMemoryNotification();
#endif
}
void V8GCController::checkMemoryUsage()
{
#if PLATFORM(CHROMIUM) || PLATFORM(QT) && !OS(SYMBIAN)
// These values are appropriate for Chromium only.
const int lowUsageMB = 256; // If memory usage is below this threshold, do not bother forcing GC.
const int highUsageMB = 1024; // If memory usage is above this threshold, force GC more aggresively.
const int highUsageDeltaMB = 128; // Delta of memory usage growth (vs. last workingSetEstimateMB) to force GC when memory usage is high.
#elif PLATFORM(ANDROID)
// Query the PlatformBridge for memory thresholds as these vary device to device.
static const int lowUsageMB = PlatformBridge::lowMemoryUsageMB();
static const int highUsageMB = PlatformBridge::highMemoryUsageMB();
static const int highUsageDeltaMB = PlatformBridge::highUsageDeltaMB();
#else
return;
#endif
int memoryUsageMB = getMemoryUsageInMB();
if ((memoryUsageMB > lowUsageMB && memoryUsageMB > 2 * workingSetEstimateMB) || (memoryUsageMB > highUsageMB && memoryUsageMB > workingSetEstimateMB + highUsageDeltaMB))
v8::V8::LowMemoryNotification();
}
