Diff Report
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad207381a1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51aad15cb89bbRun #51aad207381a1DiffDiff%
Number of Function Calls59 59 0 0.0%
Incl. Wall Time (microsec)25,685 25,133 -552 -2.1%
Incl. Wall Time (microsec) per call 435 426 -9 -2.1%
Excl. Wall Time (microsec)950 1,019 69 7.3%
Incl. CPU (microsecs)20,548 20,150 -398 -1.9%
Incl. CPU (microsecs) per call 348 342 -7 -1.9%
Excl. CPU (microsec)847 905 58 6.8%
Incl. MemUse (bytes)2,051,152 2,051,152 0 0.0%
Incl. MemUse (bytes) per call 34,765 34,765 0 0.0%
Excl. MemUse (bytes)-150,464 -150,464 0 0.0%
Incl. PeakMemUse (bytes)2,254,360 2,254,360 0 0.0%
Incl. PeakMemUse (bytes) per call 38,209 38,209 0 0.0%
Excl. PeakMemUse (bytes)3,680 3,680 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem0 N/A% -552 -67.1% -398 -83.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function69 12.5% 58 14.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -552 -100.0% -398 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -476 -86.2% -412 -103.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -139 -25.2% -44 -11.1% 0 N/A% 0 N/A%
explode0 N/A% -6 -1.1% 0 0.0% 0 N/A% 0 N/A%