Diff Report
Run #519fedcae68c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ff028be5c1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519fedcae68c3Run #519ff028be5c1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)505 489 -16 -3.2%
Incl. Wall Time (microsec) per call 505 489 -16 -3.2%
Excl. Wall Time (microsec)29 17 -12 -41.4%
Incl. CPU (microsecs)344 283 -61 -17.7%
Incl. CPU (microsecs) per call 344 283 -61 -17.7%
Excl. CPU (microsec)26 15 -11 -42.3%
Incl. MemUse (bytes)44,832 44,832 0 0.0%
Incl. MemUse (bytes) per call 44,832 44,832 0 0.0%
Excl. MemUse (bytes)-6,376 -6,376 0 0.0%
Incl. PeakMemUse (bytes)43,184 43,184 0 0.0%
Incl. PeakMemUse (bytes) per call 43,184 43,184 0 0.0%
Excl. PeakMemUse (bytes)776 776 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% -16 -0.8% -61 -1.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -75.0% -11 -18.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -16 -100.0% -61 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -7 -43.8% -52 -85.2% 0 N/A% 0 N/A%
unserialize@10 N/A% 3 18.8% 3 4.9% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -1.6% 0 N/A% 0 N/A%