Diff Report
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #52c8629919553Run #52c862ea26981DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)25,745 26,241 496 1.9%
Incl. Wall Time (microsec) per call 334 341 6 1.9%
Excl. Wall Time (microsec)1,876 1,883 7 0.4%
Incl. CPU (microsecs)17,314 17,597 283 1.6%
Incl. CPU (microsecs) per call 225 229 4 1.6%
Excl. CPU (microsec)1,663 1,655 -8 -0.5%
Incl. MemUse (bytes)2,188,776 2,183,952 -4,824 -0.2%
Incl. MemUse (bytes) per call 28,426 28,363 -63 -0.2%
Excl. MemUse (bytes)-107,680 -108,496 -816 -0.8%
Incl. PeakMemUse (bytes)2,491,000 2,467,000 -24,000 -1.0%
Incl. PeakMemUse (bytes) per call 32,351 32,039 -312 -1.0%
Excl. PeakMemUse (bytes)206,704 205,872 -832 -0.4%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 496 775.0% 283 159.0% -4,824 -17.5% -24,000 -92.6%
Exclusive Metrics Diff for Current Function7 1.4% -8 -2.8% -816 -16.9% -832 -3.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 443 89.3% 229 80.9% -4,880 -101.2% -24,144 -100.6%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% 53 10.7% 54 19.1% 56 1.2% 144 0.6%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 365 73.6% 138 48.8% -320 -6.6% -6,296 -26.2%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 93 18.8% 105 37.1% -3,680 -76.3% -16,640 -69.3%
Drupal\Core\Database\Connection::escapeTable0 N/A% 29 5.8% 32 11.3% 0 0.0% -232 -1.0%
array_diff0 N/A% 3 0.6% 6 2.1% 0 0.0% 0 0.0%
array_keys0 N/A% -1 -0.2% 10 3.5% -8 -0.2% 0 0.0%