Diff Report
Run #51ba946b609ed: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51ba929760d1b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #51ba946b609edRun #51ba929760d1bDiffDiff%
Number of Function Calls43 43 0 0.0%
Incl. Wall Time (microsec)30,970 30,895 -75 -0.2%
Incl. Wall Time (microsec) per call 720 718 -2 -0.2%
Excl. Wall Time (microsec)1,717 1,753 36 2.1%
Incl. CPU (microsecs)19,276 18,437 -839 -4.4%
Incl. CPU (microsecs) per call 448 429 -20 -4.4%
Excl. CPU (microsec)1,548 1,588 40 2.6%
Incl. MemUse (bytes)2,223,096 2,226,608 3,512 0.2%
Incl. MemUse (bytes) per call 51,700 51,782 82 0.2%
Excl. MemUse (bytes)107,448 109,696 2,248 2.1%
Incl. PeakMemUse (bytes)1,922,120 2,197,656 275,536 14.3%
Incl. PeakMemUse (bytes) per call 44,700 51,108 6,408 14.3%
Excl. PeakMemUse (bytes)234,192 252,496 18,304 7.8%

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% -75 -0.0% -839 -0.1% 3,512 0.0% 275,536 1.2%
Exclusive Metrics Diff for Current Function36 48.0% 40 4.8% 2,248 64.0% 18,304 6.6%
Parent function
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -75 -100.0% -839 -100.0% 3,512 100.0% 275,536 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -531 -708.0% -528 -62.9% 168 4.8% 217,256 78.8%
Drupal\Core\Database\Connection::query0 N/A% 461 614.7% -310 -36.9% 1,176 33.5% 38,592 14.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% -23 -30.7% -14 -1.7% -24 -0.7% 1,384 0.5%
array_diff0 N/A% -9 -12.0% -9 -1.1% -56 -1.6% 0 0.0%
array_keys0 N/A% -9 -12.0% -18 -2.1% 0 0.0% 0 0.0%