Diff Report
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519bea9000214Run #519be9a13e594DiffDiff%
Number of Function Calls87 86 -1 -1.1%
Incl. Wall Time (microsec)88,149 86,348 -1,801 -2.0%
Incl. Wall Time (microsec) per call 1,013 1,004 -9 -0.9%
Excl. Wall Time (microsec)4,361 4,334 -27 -0.6%
Incl. CPU (microsecs)51,418 51,195 -223 -0.4%
Incl. CPU (microsecs) per call 591 595 4 0.7%
Excl. CPU (microsec)3,964 3,950 -14 -0.4%
Incl. MemUse (bytes)1,296,680 1,295,400 -1,280 -0.1%
Incl. MemUse (bytes) per call 14,904 15,063 158 1.1%
Excl. MemUse (bytes)184,232 184,944 712 0.4%
Incl. PeakMemUse (bytes)1,699,088 1,692,468 -6,620 -0.4%
Incl. PeakMemUse (bytes) per call 19,530 19,680 150 0.8%
Excl. PeakMemUse (bytes)198,368 198,060 -308 -0.2%

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::getMultiple-1 -16.7% -1,801 -47.6% -223 -9.6% -1,280 -5.0% -6,620 -25.7%
Exclusive Metrics Diff for Current Function-27 -1.5% -14 -6.3% 712 55.6% -308 -4.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get-1 -100.0% -1,735 -96.3% -206 -92.4% -1,280 -100.0% -6,620 -100.0%
field_attach_load0 0.0% -66 -3.7% -17 -7.6% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query-1 -20.0% -1,011 -56.1% -39 -17.5% -1,492 -116.6% -1,608 -24.3%
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -20.0% -759 -42.1% -145 -65.0% -144 -11.2% -4,628 -69.9%
Drupal\Core\Database\Connection::escapeTable-1 -20.0% -5 -0.3% -36 -16.1% -52 -4.1% -76 -1.1%
array_keys-1 -20.0% 4 0.2% 10 4.5% -216 -16.9% 0 0.0%
array_diff-1 -20.0% -3 -0.2% 1 0.4% -88 -6.9% 0 0.0%