Diff Report
Run #517dc23f63001: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #517dc41118628: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #517dc23f63001Run #517dc41118628DiffDiff%
Number of Function Calls102 102 0 0.0%
Incl. Wall Time (microsec)16,539 16,614 75 0.5%
Incl. Wall Time (microsec) per call 162 163 1 0.5%
Excl. Wall Time (microsec)1,118 1,119 1 0.1%
Incl. CPU (microsecs)24,002 20,001 -4,001 -16.7%
Incl. CPU (microsecs) per call 235 196 -39 -16.7%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)2,660,384 2,699,472 39,088 1.5%
Incl. MemUse (bytes) per call 26,082 26,465 383 1.5%
Excl. MemUse (bytes)-318,704 -324,400 -5,696 -1.8%
Incl. PeakMemUse (bytes)3,368,880 3,371,280 2,400 0.1%
Incl. PeakMemUse (bytes) per call 33,028 33,052 24 0.1%
Excl. PeakMemUse (bytes)15,424 14,824 -600 -3.9%

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% 75 0.1% -4,001 -7.7% 39,088 2.7% 2,400 0.2%
Exclusive Metrics Diff for Current Function1 1.3% 4,000 100.0% -5,696 -14.6% -600 -25.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 75 100.0% -4,001 -100.0% 39,088 100.0% 2,400 100.0%
Child functions
unserialize0 N/A% 49 65.3% 0 0.0% 44,744 114.5% 7,536 314.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 25 33.3% -8,001 -200.0% 32 0.1% -4,544 -189.3%
explode0 N/A% 0 0.0% 0 0.0% 8 0.0% 8 0.3%