Diff Report
Run #538ce49a96f74: XHProf Run (Namespace=drupal-perf-steinmb)
vs.
Run #538ce4363dd76: XHProf Run (Namespace=drupal-perf-steinmb)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #538ce49a96f74Run #538ce4363dd76DiffDiff%
Number of Function Calls51 50 -1 -2.0%
Incl. Wall Time (microsec)30,844 29,170 -1,674 -5.4%
Incl. Wall Time (microsec) per call 605 583 -21 -3.5%
Excl. Wall Time (microsec)1,985 1,859 -126 -6.3%
Incl. CPU (microsecs)19,793 18,564 -1,229 -6.2%
Incl. CPU (microsecs) per call 388 371 -17 -4.3%
Excl. CPU (microsec)1,814 1,697 -117 -6.4%
Incl. MemUse (bytes)2,080,320 2,077,784 -2,536 -0.1%
Incl. MemUse (bytes) per call 40,791 41,556 765 1.9%
Excl. MemUse (bytes)22,688 26,912 4,224 18.6%
Incl. PeakMemUse (bytes)2,261,864 2,256,576 -5,288 -0.2%
Incl. PeakMemUse (bytes) per call 44,350 45,132 781 1.8%
Excl. PeakMemUse (bytes)197,008 196,752 -256 -0.1%

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 -25.0% -1,674 -86.4% -1,229 -63.0% -2,536 -12.9% -5,288 -26.8%
Exclusive Metrics Diff for Current Function-126 -7.5% -117 -9.5% 4,224 166.6% -256 -4.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::get-1 -100.0% -1,674 -100.0% -1,229 -100.0% -2,536 -100.0% -5,288 -100.0%
Child functions
Drupal\Core\Database\Connection::query-1 -33.3% -946 -56.5% -609 -49.6% -6,296 -248.3% -4,072 -77.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -33.3% -586 -35.0% -492 -40.0% -368 -14.5% -944 -17.9%
Drupal\Core\Database\Connection::escapeTable-1 -33.3% -16 -1.0% -11 -0.9% -96 -3.8% -16 -0.3%