Diff Report
Run #523f531e517da: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f527beec76: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523f531e517daRun #523f527beec76DiffDiff%
Number of Function Calls115 115 0 0.0%
Incl. Wall Time (microsec)18,485 17,855 -630 -3.4%
Incl. Wall Time (microsec) per call 161 155 -5 -3.4%
Excl. Wall Time (microsec)1,668 1,614 -54 -3.2%
Incl. CPU (microsecs)14,391 14,220 -171 -1.2%
Incl. CPU (microsecs) per call 125 124 -1 -1.2%
Excl. CPU (microsec)1,484 1,437 -47 -3.2%
Incl. MemUse (bytes)1,493,384 1,492,336 -1,048 -0.1%
Incl. MemUse (bytes) per call 12,986 12,977 -9 -0.1%
Excl. MemUse (bytes)-264,104 -263,760 344 0.1%
Incl. PeakMemUse (bytes)1,858,688 1,859,504 816 0.0%
Incl. PeakMemUse (bytes) per call 16,163 16,170 7 0.0%
Excl. PeakMemUse (bytes)6,328 6,280 -48 -0.8%

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% -630 -15.5% -171 -2.4% -1,048 -3.8% 816 3.1%
Exclusive Metrics Diff for Current Function-54 -8.6% -47 -27.5% 344 32.8% -48 -5.9%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -630 -100.0% -171 -100.0% -1,048 -100.0% 816 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -550 -87.3% -99 -57.9% 0 0.0% -16 -2.0%
unserialize0 N/A% -19 -3.0% -24 -14.0% -1,368 -130.5% 880 107.8%
explode0 N/A% -7 -1.1% -1 -0.6% -24 -2.3% 0 0.0%