Diff Report
Run #52e97c22a1cdf: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e97b490de91: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e97c22a1cdfRun #52e97b490de91DiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)19,299 19,583 284 1.5%
Incl. Wall Time (microsec) per call 235 239 3 1.5%
Excl. Wall Time (microsec)1,633 1,709 76 4.7%
Incl. CPU (microsecs)18,939 19,246 307 1.6%
Incl. CPU (microsecs) per call 231 235 4 1.6%
Excl. CPU (microsec)1,525 1,567 42 2.8%
Incl. MemUse (bytes)2,268,560 2,269,080 520 0.0%
Incl. MemUse (bytes) per call 27,665 27,672 6 0.0%
Excl. MemUse (bytes)-264,272 -264,400 -128 -0.0%
Incl. PeakMemUse (bytes)2,790,936 2,786,656 -4,280 -0.2%
Incl. PeakMemUse (bytes) per call 34,036 33,984 -52 -0.2%
Excl. PeakMemUse (bytes)7,480 7,576 96 1.3%

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% 284 42.0% 307 28.8% 520 0.3% -4,280 -2.5%
Exclusive Metrics Diff for Current Function76 26.8% 42 13.7% -128 -24.6% 96 2.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 284 100.0% 307 100.0% 520 100.0% -4,280 -100.0%
Child functions
unserialize0 N/A% 129 45.4% 146 47.6% 648 124.6% -4,304 -100.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 58 20.4% 92 30.0% 0 0.0% -136 -3.2%
explode0 N/A% 11 3.9% 16 5.2% 0 0.0% 0 0.0%
spl_autoload_call0 N/A% 10 3.5% 11 3.6% 0 0.0% 64 1.5%